CN101777989B - Search method and server - Google Patents

Abstract

The present invention provides a search method, comprising: receiving a user's search request; selecting a content source according to the user level or additional information of the search request; sending the search request to the selected content source, and receiving the search result ; Send search results to the user. The present invention also discloses a search server, including: a search request receiving unit, used to receive a user's search request; a content source selection unit, used to select a content source according to the user level or the additional information of the search request; the search result The receiving unit is configured to send the search request to the selected content source and receive the search result; the sending unit is configured to send the search result to the user. By using the method and the search server of the present invention, the user's search experience can be improved.

Description

A search method and server

technical field

The invention relates to the field of communication technology, in particular to a search method and server.

Background technique

With the development of the Internet, the amount of various information has increased rapidly, and various search engine technologies have also been rapidly developed, such as mobile search technology. Mobile search technology is the product of the integration of mobile communication technology and search engine technology. As a combination of two hot fields, the mobile search business is in a period of rapid growth. Currently, the mobile search service has become a new highlight and growth point of the mobile value-added service.

In the field of mobile search, operators began to cooperate more with search engines and content providers to provide services for users. In the process of cooperation between the operator and the engine, some resources are inherent to the operator, such as ring tones and WAP sites; Crawled from the Internet with a crawler.

Contents of the invention

The search method and device proposed by the embodiments of the present invention fulfill the requirements of user search services and improve the user experience of user search.

A search method according to an embodiment of the present invention includes: receiving a user's search request; selecting a content source according to the user level or additional information of the search request; sending the search request to the selected content source, and receiving Search results; send search results to the user.

Another search method according to an embodiment of the present invention includes: receiving a user's search request; sending the search request to a content source, and receiving the returned search result; obtaining the level of the content source, according to the content source's ranking the search results; sending the sorted search results to the user.

Another search method according to an embodiment of the present invention includes: receiving a search request from a user; determining an available content source for the search request, and selecting a content source from the available content sources; sending the selected content source to the selected content source. Searching requests, and receiving search results; sending search results to the user.

A search server according to an embodiment of the present invention includes: a search request receiving unit, configured to receive a user's search request; a content source selection unit, configured to select a content source according to the user level or additional information of the search request; the search result The receiving unit is configured to send the search request to the selected content source and receive the search result; the sending unit is configured to send the search result to the user.

Another search server according to an embodiment of the present invention includes: a search request receiving unit, configured to receive a user's search request; a search result receiving unit, configured to send the search request to a content source and receive returned search results; sorting A unit, configured to acquire the level of the content source, and sort the search results according to the level of the content source; a sending unit, configured to send the sorted search results to the user.

Another search server according to an embodiment of the present invention includes: a search request receiving unit, configured to receive a user's search request; a content source determining unit, configured to determine a content source available for the search request; a content source selecting unit, configured to Select a content source from available content sources; a search result receiving unit is configured to send the search request to the selected content source and receive a search result; a sending unit is configured to send the search result to the user.

By using the method and the search server of the present invention, the user's search requirement is realized, and the user's search experience is improved.

Description of drawings

FIG. 1 is a schematic diagram of an embodiment of a search method in an embodiment of the present invention;

FIG. 2 is a schematic diagram of another search method embodiment in the embodiment of the present invention;

FIG. 3 is a schematic diagram of another search method embodiment in the embodiment of the present invention;

Fig. 4 is a schematic diagram of an embodiment of content source classification in the embodiment of the present invention;

FIG. 5 is a schematic diagram of a user classification embodiment in an embodiment of the present invention;

FIG. 6 is a schematic diagram of another search method embodiment in the embodiment of the present invention;

FIG. 7 is a schematic diagram of another search method embodiment in the embodiment of the present invention;

FIG. 8 is a schematic diagram of another search method embodiment in the embodiment of the present invention;

FIG. 9 is a schematic structural diagram of a search server in an embodiment of the present invention;

FIG. 10 is a schematic structural diagram of another search server in an embodiment of the present invention;

FIG. 11 is a schematic structural diagram of another search server in an embodiment of the present invention.

Detailed ways

In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

An embodiment of the present invention provides a search method as shown in Figure 1, including:

S101: Receive a user's search request.

S102: Select a content source available for the search request according to the user level or additional information of the search request.

Specifically, the search server may determine the available content sources for the search request according to the user level or additional information of the search request, and then select from the determined available content sources according to the search conditions of this search request or user satisfaction feedback information For the content source to be used this time, one or more content sources can be selected.

Among them, when selecting a content source according to the user level, the user level can be determined in the following ways:

For users who have not registered and rated, the user level can be determined according to the additional information in the search request, or the user level can be determined as the default level. Wherein, the additional information may be the user experience selected by the user when initiating this search, for example, if the additional information is "secondary user experience", then the user's level is secondary.

For users who have registered and ranked in advance, the user level can be obtained from the user level completed in advance according to the user identification in the search request, or the user level can be determined in combination with the user level completed in advance and the additional information in the search request. user level. Wherein, the specific process of user registration and grading is described in detail in the embodiment corresponding to FIG. 5 .

S103: Send the search request to the selected content source, and receive the search result.

S104: Send the search result to the user.

The embodiment of the present invention selects the content source according to the user level or the additional information of the search request, searches in this content source, and obtains the search results, so that when different users submit the same search request, different search results will be obtained , realizing the user's personalized search requirement, improving the experience of the search user, and increasing the revenue of the search operator.

Optionally, in this embodiment of the present invention, the content sources can also be classified. When determining the available content sources, the content sources that can be used in this search request can be determined according to the additional information of the search condition or the user level level, and then among the content sources corresponding to these available content source levels, the content source can be selected according to at least one of the search criteria of this search request, user satisfaction feedback information, and content source level. The specific process of content source classification is described in detail in the embodiment corresponding to FIG. 4 . By grading content sources, different users can use content sources of different levels, and in the search service, differentiated services are provided for users.

In order to further improve the user experience, in the embodiment of the present invention, the search results can also be sorted. There are many ways to sort: according to the similarity of the search results, or the level of the content source, or according to the The combination of similarity and rating of the content source ranks the search results.

In addition, in the embodiment of the present invention, user satisfaction feedback information may also be obtained by sending the content of the satisfaction survey on the content source to the user. Wherein, the satisfaction survey content of the content source sent to the user carries the identifier of the content source to which the search result belongs. By sending the content of the satisfaction survey of the content source, the user can give feedback on the satisfaction degree of the content source, so that the content source most satisfied by the user is preferentially selected, and the user experience is improved.

Furthermore, in the embodiment of the present invention, a secondary search link may also be sent to the user. By sending the link of the secondary search, the user can conveniently obtain the search result that can only be used by high-level users as long as the user clicks on the link, which improves the user's search experience.

The content of the user's satisfaction survey on the content source and the link of the secondary search can also be applied in other embodiments. The content of the user's satisfaction survey on the content source and the link to the secondary search can be included in the search results and sent to the user, or the content of the user's satisfaction survey on the content source and the link to the secondary search can be sent to the user separately .

An embodiment of the present invention provides a search method as shown in Figure 2, including:

S201: Receive a user's search request.

S202: Send a search request to a content source, and receive returned search results.

S203: Obtain the level of the content source, and sort the search results according to the level of the content source.

Wherein, the level of the content source may be obtained from the pre-made content source classification. Content source classification can be performed when the content source is registered, and the specific process is described in detail in the embodiment corresponding to FIG. 4 .

To sort the search results, the search results may be sorted according to the similarity of the search results, or the level of the content source, or according to a combination of the similarity of the search results and the level of the content source.

S204: Send the sorted search results to the user.

The embodiment of the present invention selects the content source that can be used for this search request, searches in this content source, obtains the search results and sorts the search results according to a certain technology, and sends the sorted search results to the search user, In this way, the search results obtained by the user are orderly, which improves the experience of the search user and increases the revenue of the search operator.

Optionally, in this embodiment of the present invention, the content source may also be selected according to at least one of the search condition of the search request, user satisfaction feedback information, and content source level.

An embodiment of the present invention provides a search method as shown in Figure 3, including:

S301: Receive a user's search request.

S302: Determine available content sources for the search request, and select a content source from the available content sources.

Wherein, the search server may classify the content sources in advance, and when receiving a user's search request, first determine the level of the content source available for the search request, and then select the content source corresponding to the level of the available content source. The specific process of content source classification is described in detail in the embodiment corresponding to FIG. 4 .

Wherein, when determining the available content source level, it can be determined directly according to the user information or the attachment information in the search request.

S303: Send the search request to the selected content source, and receive the search result.

S304: Send the search result to the user.

In the embodiment of the present invention, the content source that can be used in this search request is selected, and the search is performed in this content source, and the search results are obtained. In this way, when different users submit the same search request, different search results will be obtained. The user's demand for personalized search improves the experience of search users and increases the revenue of search operators.

Optionally, in this embodiment of the present invention, users may also be classified. When determining available content source levels, it may be determined according to the correspondence between user levels and content source levels. Wherein, the user level can be divided when the user registers (refer to the embodiment shown in FIG. 5 for details), and can also be determined according to the attachment information in the search request when the search request is received, or processed according to the default level.

In order to further improve the user experience, in the embodiment of the present invention, the search results can also be sorted. There are many ways to sort: it can be based on the similarity of the search results, or according to the level of the content source, or according to the search results A combination of similarity and rating of the content source ranks the search results.

A method for grading content sources in an embodiment of the present invention is shown in Figure 4, and the specific steps are as follows:

S401: The search server receives a content source registration.

The search server receives registration request messages of various content sources, the registration request messages containing content registration information. The content registration information may include one or more of basic information, content source type, detailed information, search interface information, search result information, and whether the content has been sorted manually. Among them, the search interface information is required, and others are optional. The basic information includes the name, organization, description, and contact information of the content source; the description of the content source is a simple description of the content source. The contact information of the content source can be contact name, phone number, e-mail and other information; the detailed information includes the region information of the content source and the search performance information of the content source, where the region information can be the area covered by the service of the content source ; For example, a restaurant in Shenzhen searches for a content source whose region is China/Guangdong/Shenzhen. The search interface information may be a search interface of the content source that can be invoked by the search server, including query URL, query parameters, supported languages, input character encoding, and the like. The search result information may be in a search result format, such as RSS/ATOM format. The content source charging information may include charging method and price information, and the charging method is divided into prepaid, pay-per-click or free; the price information is the price of each piece of content.

S402: The search server grades the received content source.

After the search server receives the registration information of the content source, it sets a level for the content source according to the registration information and manual intervention or preset rules, such as whether the content can be graded according to whether it is paid, or whether the content source has a cooperation agreement with the search server The content is rated, or whether the content source has been manually processed to rate the content, and so on.

For example, the search server may preset four levels of content sources: first-level content sources, second-level content sources, third-level content sources, and fourth-level content sources. Table 1 below:

Category ID content source level describe 1 Primary content source Search content sources that the server fully trusts 2 Secondary content source A content source that has a cooperative agreement with the search server 3 Tertiary content source Content sources certified by the search server 4 Level 4 content source common source of content

Table 1

For the content source that the search server charges the user, or the free content source of the mobile operator, such as the content source of the content source of the search server, such as color ring tone and mobile phone news, the search server can classify it as a first-level content source; If the data of the content source is completely shared with the search server, or the content source has signed a cooperation agreement with the search server, the search server can classify it as a secondary content source; The server can set it as a third-level content source; for ordinary content sources, the search server can set its level as a fourth-level content source, and the search server stores the classification results of the content source in the content source information base. For higher-level content sources, under the same conditions, they will receive priority scheduling from the search server.

The following is an example of setting the registration content source level, assuming that the registration information of the content source is as shown in Table 2:

Table 2

After the search server receives the above registration information, it can be seen from Table 2 that the content source is a location search engine, its charging method is free, and the content of the content source has been manually sorted. According to the above description on content source classification, the search server can set it as a third-level content source.

A method for classifying users in an embodiment of the present invention is shown in Figure 5, and the specific steps are as follows:

S501: The search server receives a registration request message from a user, where the registration request message includes user registration information; the user registration information may include information such as a user identifier and optional information. The optional information may be user information obtained from a third party, for example, information including the mobile operator to which the user's mobile phone number belongs, and the user identifier may be the user's mobile phone number.

S502: According to the user registration information, the search server sends the user identifier to a third-party server, where the third party may be a mobile operator to which the user belongs.

S503: The search server receives the user information returned by the third-party server.

The third-party server queries and obtains user information according to the received user ID, and returns it to the search server. Among them, user information can include average revenue per user (Average Revenue Per User, ARPU) value, mobile phone number type, online time, payment for search services, user points, etc. the resulting profit. The mobile phone number type refers to the business type of the mobile operator to which the mobile phone number such as GSM, Shenzhouxing, M-Zone, and TD Pioneer Card belongs. The payment information for the search service is whether the user pays for the search service, and the search server may implement the user's search for free or charge for the user's search. The mobile operator can charge the user for the search server. For example, the user can subscribe to the search service at the mobile operator and pay the fee; for paying users, they can get better services from the search server. For example, only paying users can access certain information. found. The user credit may represent the credit when the user conducts a search, or the credit of the user account, and so on.

S504: The search server sets a level for the user according to the user registration information and the user information obtained from a third party.

In the embodiment of the present invention, the search server can set users into three levels: first-level users, second-level users, and third-level users, as shown in Table 3.

Category ID User category describe 11 tier one user VIP users 12 secondary user VIP 13 Third level user general user

table 3

The search server classifies users according to user registration information and user information obtained from third parties. The grading rules can be varied, and users can be assigned a level according to manual intervention or preset rules. For example, if the user pays for the search service, the search server will set this type of VIP user as a first-level user; For a specific type of mobile phone number, such as GSM, the search server will classify such advanced users as second-level users; for those who do not meet the above conditions, they will be classified as third-level users. The search server stores the user ranking results in the user information base.

For users with higher levels, they will get better search services. For example, certain content sources can only be used by users who reach a certain level.

For what level of content source users can use, the search server can set various policies. For example, for a third-level user, the default setting can use the third-level content source and the fourth-level content source; content source.

A search method according to an embodiment of the present invention is shown in FIG. 6 . The search server selects a content source that can be used in this search request according to the user level, and searches in the selected content source. Specific steps are as follows:

S601: The search server receives a search request submitted by a user.

Search criteria and additional information may be carried in the search request submitted by the user. The search condition may be a search keyword or a search expression input by the user. The additional information may be additional search restriction conditions, such as parameters such as "second-level user experience" and "first-level user experience". The search request submitted by the user will pass through the network of a third party, such as the network of a mobile operator, and the third party will submit the user identification and the search request to the search server together.

S602: After receiving the search request, the search server obtains the level of the user, and selects a content source available for the search request;

First, the search server extracts the user ID and additional information from the search request, and obtains the user's level according to the user ID and additional information.

If the search request does not contain additional information, the search server selects the user's level according to the user ID. If the user ID is not obtained, the search server obtains the user's level according to the additional information. For example, if the additional information is "second-level user experience", the user's level is second-level. For this search, the obtained level is the user's level. level. If the search request contains additional information and the user ID, the user's level is obtained according to the combination of the user ID and the additional information. Obtain the user level corresponding to the user ID and the user level corresponding to the additional information, and select the higher level of the above two user levels as the user level. For example, if the additional information is "level 2 user experience", and the user level corresponding to the user identifier is level 3, then for this search, the level of the user is level 2. When the additional information is "secondary user experience", the user level corresponding to the user identifier is the first level, and for this search, the user level is the first level.

Second, the range of content sources available to the user is obtained according to the user level.

If the content source has been graded in the search server, the search server selects a grade range within which the user can use the content source according to the user's grade. For example, if the level of the user is level three, the range of content sources available to the user is level four and level three content sources.

If the user's level is Level 2, the range of content sources that the user can use is Level 4, Level 3 and Level 2 content sources.

If the level of the user is level one, the range of content sources that the user can use is content sources of all levels.

For example, the search server extracts the user identifier from the search request, and there is no additional information in the search request, and the user is obtained as a third-level user according to the user identifier. The user is then able to use tier 4 and tier 3 content sources. and choose the best content sources out of them.

Table 4 is an example table for content source level management.

Level 4 content Third level content secondary content Level 1 content Content Source 41 Content Source 31 Content source 21 Content Source 11 Content Source 42 Content Source 32 Content Source 22 Content Source 12 ..... ..... ... ...

Table 4

As shown in Table 4, the content sources available to the user are content source 41, content source 42, content source 31, and content source 32, where 41, 42, 31, 32, etc. are content source identification information.

The search server selects a better content source for the user's search according to the user level and the search condition of the search request. Select third-level and fourth-level content sources related to song A. There are several ways to specifically select a content source. The search server can choose one of these methods to select the better available content source. The embodiment of the present invention lists four methods. They are:

Method 1: The method of using the meta index to select available content sources;

After the search server integrates various content sources, it builds a meta index for these content sources. There are many ways to establish the meta index, but there is no unified algorithm and method. In specific implementation, no matter what algorithm is used to construct the meta index, it is ultimately to calculate the degree of matching between the search request and the content source. The region matching degree refers to the similarity of the query results of the search engine to a given query (that is, the search condition), and the similarity can approximately reflect the relative usefulness of the given query and the search engine. Generally speaking, for a given query, the higher the degree of discrimination, the more correct the search engine's query results. The following is an example of using a meta index for content source selection.

table 5

Among them, the content source row represents the content source. The Term column represents the search terms. The global inverse file frequency weight gidf is the ratio of the total number of files in the content source to the number of files containing the search condition q; assuming di is the similarity weight of the term keyi in a file d of the content source D, then keyi is in the file d The normalized weight in is di/|d|; among them, |d| is the modulus of the similarity weight of the term keyi in all files, |d|=sqrt(d1*d1+d2*d2+... +dn*dn); the maximum normalized weight and the average normalized weight are respectively the maximum value and the average value of the normalized weights of key_i in all files of the content source D. For a given search condition q = (q1, q2, ..., qk) is the query vector, then the degree of discriminating q in the content source

$\mathrm{<span\; class="notranslate">\; R</span>}<span\; class="notranslate">\; =</span>\underset{\mathrm{<span\; class="notranslate">\; 1</span>}<span\; class="notranslate">\; \&le;</span>\mathrm{<span\; class="notranslate">\; i</span>}<span\; class="notranslate">\; \&le;</span>\mathrm{<span\; class="notranslate">\; k</span>}}{\mathrm{<span\; class="notranslate">\; max</span>}}\frac{<span\; class="notranslate">\; \{</span>{\mathrm{<span\; class="notranslate">\; q</span>}}_{\mathrm{<span\; class="notranslate">\; i</span>}}<span\; class="notranslate">\; *</span>{\mathrm{<span\; class="notranslate">\; gidf</span>}}_{\mathrm{<span\; class="notranslate">\; i</span>}}<span\; class="notranslate">\; *</span>{\mathrm{<span\; class="notranslate">\; mnw</span>}}_{\mathrm{<span\; class="notranslate">\; i</span>}}<span\; class="notranslate">\; +</span>\underset{\mathrm{<span\; class="notranslate">\; j</span>}<span\; class="notranslate">\; =</span>\mathrm{<span\; class="notranslate">\; 1</span>}<span\; class="notranslate">\; ,</span>\mathrm{<span\; class="notranslate">\; j</span>}<span\; class="notranslate">\; \&NotEqual;</span>\mathrm{<span\; class="notranslate">\; i</span>}}{\overset{\mathrm{<span\; class="notranslate">\; k</span>}}{\mathrm{<span\; class="notranslate">\; \&Sigma;</span>}}}{\mathrm{<span\; class="notranslate">\; q</span>}}_{\mathrm{<span\; class="notranslate">\; j</span>}}<span\; class="notranslate">\; *</span>{\mathrm{<span\; class="notranslate">\; gidf</span>}}_{\mathrm{<span\; class="notranslate">\; j</span>}}<span\; class="notranslate">\; *</span>{\mathrm{<span\; class="notranslate">\; anw</span>}}_{\mathrm{<span\; class="notranslate">\; j</span>}}<span\; class="notranslate">\; \}</span>}{<span\; class="notranslate">\; |</span>\mathrm{<span\; class="notranslate">\; q</span>}<span\; class="notranslate">\; |</span>}<span\; class="notranslate">\; -</span><span\; class="notranslate">\; -</span><span\; class="notranslate">\; -</span><span\; class="notranslate">\; (</span>\mathrm{<span\; class="notranslate">\; 5.1</span>}<span\; class="notranslate">\; )</span>$

The search server is based on the search criteria in the search request. Assuming that the search condition keyword is {Key1, Key2} after word segmentation, the query vector q={1, 1} is taken in this example, which means that after keyword is word segmented, the two words have the same weight. According to the data in Table 5 and formula 5.1, the search conditions in content source 41, content source 42, content source 31, and content source 32 are respectively:

R41＝0.2828; R42＝2.8991; R31＝0.2263; R32＝3.0052; obviously, the district distribution degree of content source 42 and content source 32 is far greater than the district distribution degree of content source 41 and content source 31, then select content source 42 and content Source 32 serves as a source of content that may be used.

Method 2: Utilize the meta index and content source level to select the method that can use the content source

For content sources that have been classified, in order to allow high-level content sources to be scheduled first, for each level of content source, a harmonic coefficient will be added on the basis of the division degree of the meta index. The specific value of the harmonic coefficient The value can be selected according to experience. The following is an example of the harmonic coefficient.

content source level Level 4 content source Tertiary content source Secondary content source Primary content source harmonic coefficient 0.2 0.3 0.4 0.5

Referring to the result of using the meta-index to calculate the district distribution degree of the content source, after considering the influence of the content source level, the district distribution degrees of the search conditions in the content source 41, content source 42, content source 31, and content source 32 are respectively:

R41=0.2828+0.2=0.4828; R42=2.899+0.2=3.099; R31=0.2263+0.3=0.5263; R32=3.0052+0.3=3.3052;

Apparently, if the distribution degree of the content source 42 and the content source 32 is much greater than that of the content source 41 and the content source 31, then the content source 42 and the content source 32 are selected as the available content sources.

Method 3: Another method for selecting available content sources in the present invention can also be selected by using a combination of meta-index and user satisfaction feedback information, which will be introduced in another embodiment of the present invention.

Method 4: Another method of selecting an available content source in the present invention can also be selected by using a combination of meta index, content source level and user satisfaction feedback information, which will be introduced in another embodiment of the present invention.

S603: The search server searches according to the selected content source.

After the search server selects an available content source for the user, it sends the search request search condition to the selected content source. If there are multiple available content sources, the search server sends the search conditions to each content source respectively. After receiving the search condition sent by the search server, the content source searches according to the search condition, and returns the search result to the search server. For example, the specific process is:

The search interface of the content source is: http://www.example.com/search? q = {searchTerms};

Suppose the search condition extracted from the search request is "song A", and the http request submitted by the search server to the content source is: http://www.example.com/search? q = song A; the content source will return relevant search results for "song A".

S604: The search server receives the search result returned by the content source.

S605: The search server sends the search result to the user.

In another embodiment of the present invention, the user does not perform user registration and classification with the search server, and the content source performs registration and classification according to the embodiment corresponding to FIG. 4 . The search request submitted by the user will pass through the network of a third party, for example, it will pass through the network of a mobile operator; the third party submits the user information and the search request to the search server together. After the search server receives the user information and search request, the user information may include information such as ARPU value, mobile phone number type, online time, payment for search services, and user points. The search server selects an available content source according to the user information, and the specific method of selecting a content source is the same as that in the embodiment corresponding to FIG. 6 . The search server searches according to the selected content source; the search server receives the returned search results and sends the search results to the user.

In the embodiment of the present invention, after the user makes a search request, the search server selects the range of content source levels available to the user according to the level of the user, and selects available content sources within the range of content sources of this level. The search server sends search requests to these available content sources and receives search results back. For the same search condition, the search server can search for different search results according to the user's level, which realizes the user's personalized search requirements and guarantees the user's experience.

In another embodiment of the present invention, the content sources are not classified, but each content source can only be used by users of certain levels, and the search server selects the range of content sources that can be used by the user level according to the user level. For example: content source A can only be used by first-level users, content source B can only be used by second-level and first-level users, content source C can only be used by third-level, second-level and first-level users, and user a is a second-level user , when the user searches, he can only select content source B and content source C to search.

Another search method in the embodiment of the present invention is shown in FIG. 7 . The difference of the embodiment corresponding to FIG. 6 is that the search server does not select the content source available to the user according to the user level, but selects the content source available to the current search according to the additional information in the search request. Specifically include:

S701: The search server receives a search request submitted by a user.

After receiving the registration information of the content source, the search server sets a level for the content source according to the registration information. The specific process is:

If the charging information in the registration information of the content source is payment, then the content source is set to the payment level. If the charging information in the registration information of the content source is free, then set the content source to a free level.

The search server saves the paid or free information of the content source, as shown in Table 6:

content source paid/free Content source 001 paid Content source 002 free Content source 003 paid ......... .........

Table 6

A user submits a search request to the search server. Search criteria and additional information are carried in the search request submitted by the user. The additional information may be additional search restriction conditions, such as parameters such as "receive paid content", "receive only paid content". By default, the user only receives free content; if the additional information is "receive paid content", it means that the user is willing to receive free and paid content; if the additional information is "receive only paid content", it means that the user is only willing to receive paid content.

When a user submits a search request, it will go through the network of a third party, where the third party may be a mobile operator. The third party submits the user's number information and the search request to the search server.

S702: The search server receives the user's search request, and selects an available content source for the user according to the search request;

After the search server receives the user's search request, it extracts additional information from the search request, and obtains content sources that the user can use based on the search additional information. For example, if the search request does not contain additional information, or the additional information is "default", then For this search, only free content sources are available to the user. If the additional information contained in the search request is "receive paid content", the user can use paid and free content sources for this search. If the additional information contained in the search request is "receive only paid content", then for this search, the user can only use paid content sources.

Among the content sources of the selected level, the available content sources are selected for the user according to the meta index. The specific method is the same as the method for selecting an available content source by using a meta index in the embodiment of the present invention corresponding to FIG. 6 .

S703: The search server searches according to the selected content source.

After the search server selects an available content source for the user, it sends the search condition in the search request to the selected content source. When there are multiple content sources, the search server sends the search criteria to each content source separately.

S704: The search server receives the returned search result.

S705: The search server sends the search result to the user.

In another embodiment of the present invention, the content sources are not classified, but each content source can only be used by which types of users, and the search server selects which content sources can be used for this search through the additional information in the search request , for example: content source D can only be used by free users, content source E can only be used by paid users, content source F can only be used by free and paid users, and user b is a user with paid user experience. At this time, when users search , only content source E and content source F can be selected for searching.

According to the additional information carried in the search request, the embodiment of the present invention selects the range of content sources that the user can use in this search, and searches within the range of content sources, thus improving the user's search experience.

Another search method of the embodiment of the present invention is shown in Figure 8. Before receiving the search request submitted by the user, the search server registers and grades the content source according to the embodiment corresponding to Figure 4; specifically includes:

S801: The search server receives a search request submitted by a user.

S802: After receiving the search request, the search server selects available content sources for the user according to the search request.

After the search server receives the search request, the search request may not carry additional information, or it may carry additional information. The additional information may select the range of levels at which the user can use the content source, and the user can select the available content source within these levels. .

If the search request does not carry additional information, the search server extracts search conditions from the search request after receiving the search request, and selects available content sources for the user within the range of all content sources. There are two ways to select available content sources:

1) Use the meta index to calculate the regional distribution degree of the content source, and select the content source with a high regional distribution degree as the usable content source. The specific method is the same as that of using the meta index to select available content sources in S602 of the embodiment corresponding to FIG. 6 .

2) Use the combination of meta-index and user satisfaction feedback information to select content sources. The specific method is the same as the part of using the combination of meta index and user satisfaction feedback information to select available content sources in S602 of the embodiment corresponding to FIG. 6 .

If the search request carries additional information, after the search server receives the search request, according to the additional information, the search server first selects the level range of content sources that can be used for this search request, and according to the search conditions of the search request, in this search can Select the available content sources for the user within the content source level used. There are four ways to select available content sources:

1) Use the meta-index to calculate the regional distribution degree of the content source, and select the usable content source with a high regional distribution degree as the usable content source. The specific method is the same as that of using the meta index to select available content sources in S602 of the embodiment corresponding to FIG. 6 .

2) Use a combination of both meta-index and content source level to select a content source. The specific method is the same as that in S602 of the embodiment corresponding to FIG. 6 , using the meta index and content source level to select an available content source.

3) Use the combination of meta-index and user satisfaction feedback information to select content sources. The specific method is the same as the part of using the combination of meta index and user satisfaction feedback information to select available content sources in S602 of the embodiment corresponding to FIG. 6 .

4) Use the combination of meta index, content source level and user satisfaction feedback information to select the content source. The specific method is the same as that in S602 of the embodiment corresponding to FIG. 6 , using the combination of meta index, content source level and user satisfaction feedback information to select available content sources.

S803: Use the available content sources selected in S802 to perform a search, and the search server receives returned search results.

The content source selected above by the search server sends the search condition. When multiple content sources are selected, they are sent to each selected content source respectively.

S804: The search server receives the search result returned by the user.

S805: Obtain the level of the content source of the above search result, and according to the level of the content source, the search server sorts and sorts the received content source.

The sorting and sorting of the received content sources by the search server can be as follows: the search server can sort the search results according to the levels of content sources, for example, the search results returned by high-level content sources can be ranked in the search results returned by low-level content sources Front. Alternatively, the search server may also rank the search results in combination with the similarity of the search results and the level of the content source.

S806: The search server returns the sorted search results to the user.

Because the search server grades the content sources, the search results obtained are graded. According to the sorting of the search results, placing the high-level content sources in front of all the search results can make the content with high value be searched first. , so that users can use it first, which improves the user's search experience.

In another embodiment of the present invention, after receiving the search results returned by the content source, the search server sorts and sorts the search results, and sends the sorted search results to the user.

The search server receives the search results returned by the content source, and can also organize and sort the search results. Among them, there are many sorting strategies for sorting and sorting. For example: 1. Calculate the similarity between each result and the search condition, and sort and sort the search results according to the similarity. The similarity represents the degree of similarity between the result and the search condition, and the higher the similarity, the more accurate the result. 2. The search server can also sort the search results according to the levels of content sources, for example, it can rank the search results returned by content sources with higher levels before the search results returned by content sources with lower levels. 3. The search server may also rank the search results in combination with the similarity of the search results and the level of the content source. For example, for a content source of a specific level, a level coefficient is added on the basis of the similarity of search results. The following table is a level coefficient table:

content source level Level 4 content source Tertiary content source Secondary content source Primary content source level factor 0.0 0.05 0.10 0.15

For the search results returned by the third-level content source, after calculating the similarity of each result, add a level coefficient of 0.05 on this basis, which is the final similarity of the result.

For example, the search result returned by the content source 32 in the embodiment corresponding to FIG. 6 is the CRBT information of "Song A", and there is only one search result. Calculated by the search server, the similarity of the result is 0.9; the content source 42 in the embodiment corresponding to Fig. 6 returns the song information of "song A", and there is only one result, calculated by the search server, the result of the result is Its similarity is 0.92.

If sorting according to the similarity of the search results, the song information is arranged in front of the color ring information; if the search results are sorted according to the level of the content source, the level of the content source 32 is higher than the level of the content source 42, so the content source 32 returns The CRBT information of " song A " is arranged in the front of the song information of " song A " that content source 42 returns; If combine the level of similarity and content source, the final similarity of the song information that content source 42 returns is 0.92+0= 0.92, and the final similarity of the CRBT information returned by the content source 32 is 0.9+0.05=0.95, so the CRBT information returned by the content source 32 is ranked ahead of the song information returned by the content source 42.

The search server sorts the search results according to certain rules, and the sorted search results have a certain order, so that the search results with high similarity or high level can be searched first, so that the search results can better reflect the users. search requests, improving the user's search experience.

In another embodiment of the present invention, the search server may also send the user's satisfaction survey on the content source to the user while sending the search result to the user, and the content of the user's satisfaction survey on the content source carries the search result to which Identification information of the content source so that users can give satisfaction feedback on the search results. The content of the user satisfaction survey on the content source may be links, such as a "satisfied" link and a "dissatisfied" link. Users can feedback their satisfaction with the search results by clicking the corresponding link.

For example, the following is an example of a "Satisfied" link for user feedback.

http://www.example.com/feedback.jsp? sourceID=0042-0032&satisfied=yes

Wherein, sourceID=0042-0032 indicates the identification information of the content source selected by the search server; satisfied=yes indicates that the user is satisfied with the result.

The user sends feedback information on search results to the search server, and the search server receives user satisfaction feedback information.

If the user gives feedback on the satisfaction of the searched content; the search server receives the user satisfaction feedback information, extracts the content source identifier from the user satisfaction feedback information, and stores the feedback information corresponding to the content source. Table 7 is a simple example of a user satisfaction feedback information base:

Feedback content source Number of Satisfactory Feedbacks (a) Number of unsatisfactory feedback (b) Content Source 41 220 10 Content Source 42 30 300 Content Source 31 5 50 Content Source 32 325 60 ... ... ...

Table 7

According to the user satisfaction feedback information, the method for selecting one or more content sources in the embodiment of the present invention corresponding to Fig. 6 is specifically as follows: 1. Use the combination of the meta index and the user satisfaction feedback information to select; 2. Use the meta index , content source level and user satisfaction feedback information to choose from.

Method 1. Select by combining meta-index and user satisfaction feedback information.

Reference is made to the calculation result of using the meta index to calculate the degree of matching of content sources in the method 1 of selecting available content sources in S602. When calculating the matching degree of search requests and content sources, in addition to referring to the meta index, user satisfaction feedback information of content sources can also be considered, specifically:

District allocation degree R=r1*district allocation degreem+r2*user satisfaction parameter;

The district matching degree m is the district matching degree calculated according to the meta index.

The user satisfaction parameter reflects the user's satisfaction feedback on the content source, and the calculation method can be:

User satisfaction parameter = [number of satisfactory feedback (a) - number of unsatisfactory feedback (b)]/[number of satisfactory feedback (a) + number of unsatisfactory feedback (b)];

Wherein, the values of r1 and r2 can be adjusted according to the actual situation, for example, take r1=0.9, r2=0.1;

Utilizing the data in the embodiment of the present invention, the district allocation degree of the content source 41 R=0.9*0.2828+0.1*(220-10)/(220+10)=0.3458; according to the above method, the content source 42, The district allocation degrees of content source 31 and content source 32 are: 2.5274; 0.1219; 2.7735;

At this time, the content source 42 and the content source 32 have the highest matching degrees, and the content source 42 and the content source 32 are selected as the available content sources.

Method 2. Use the combination of meta index, content source level and user satisfaction feedback information to select.

Reference is made to the calculation result of calculating the matching degree of the content source by using the meta index and the level of the content source in the method 2 of selecting an available content source in S602. When calculating the matching degree between a search request and a content source, in addition to referring to the meta index and the level of the content source, user feedback satisfaction of the content source can also be considered, specifically:

Area allocation degree R=r1*area allocation degree mr+r2*user satisfaction parameter;

The district matching degree mr is the district matching degree calculated by combining the meta index and content source level.

The user satisfaction parameter reflects the user's satisfaction feedback on the content source, and the calculation method can be:

User satisfaction parameter = [number of satisfactory feedback (a) - number of unsatisfactory feedback (b)]/[number of satisfactory feedback (a) + number of unsatisfactory feedback (b)];

Wherein, the values of r1 and r2 can be adjusted according to the actual situation, for example, take r1=0.9, r2=0.1;

Utilizing the data in the embodiment of the present invention, the district allocation degree of the content source 41 R=0.9*0.4828+0.1*(220-10)/(220+10)=0.5258; according to the above method, the content source 42, The district allocation degrees of content source 31 and content source 32 are: 2.7073; 0.3918; 3.0435;

At this time, the content source 42 and the content source 32 have the highest matching degrees, and the content source 42 and the content source 32 are selected as the available content sources. The search server receives user satisfaction feedback information.

Users give satisfaction feedback on the search results, and the search server can select available content sources according to the feedback information of user satisfaction, so as to improve the allocation degree of content sources with high user satisfaction and reduce the allocation of content sources with low user satisfaction degree, so that content sources with high user satisfaction can be selected preferentially, improving the user's search experience.

In another embodiment of the present invention, the search server can also add a link in the search results that allows the user to perform a secondary search. Through this link, the user does not need to enter any content, and just clicks to obtain a search that only high-level users can use. result. Equivalent to adding additional information to the search request. If in this search, the user's level is the third level, then "secondary user experience" or "first level user experience" can be added as a parameter in the link of the secondary search. If the user's level is level two, the details of the secondary search link are as follows:

Assuming this search condition is "song A", the following is an example of a link that allows users to perform secondary searches: http://www.example.com/search? q = song A & other = secondary user experience

The link to the secondary search above incorporates the "Secondary User Experience" parameter. When the user clicks the link, it is equivalent to adding the additional information of "secondary user experience" to the search request. The user can get the search results that the secondary user can get.

When the user performs secondary search, as long as he clicks on the link, he can conveniently obtain the search results that can only be used by high-level users, which improves the user's search experience.

A schematic structural diagram of a search server according to an embodiment of the present invention is shown in FIG. 9 , including:

A search request receiving unit 91, configured to receive a user's search request;

A content source selection unit 92, configured to select a content source according to user level or additional information of the search request;

Specifically, the search server may determine the available content sources for the search request according to the user level or additional information of the search request, and then select from the determined available content sources according to the search conditions of this search request or user satisfaction feedback information For the content source to be used this time, one or more content sources can be selected. When determining the available content source for the search request according to the user level, the search server further includes a user level determining unit 95 and a user grading unit 96, wherein the user grading unit 96 is used to classify users in advance according to user information, and the user The information includes the user's registration information and/or information obtained from a third-party device. The user level determination unit 95 is configured to determine the user level according to the user level previously completed by the user level unit 96 and/or additional information in the search request. Specifically, for users who have not registered and rated, the user level may be determined according to the additional information in the search request, or the user level may be determined as a default level. Wherein, the additional information may be the user experience selected by the user when initiating this search, for example, if the additional information is "secondary user experience", then the user's level is secondary. For users who have been classified by the pre-user classification unit 96, the user level can be obtained from the pre-completed user classification according to the user identifier in the search request, or combined with the pre-completed user classification and additional information in the search request Determine the user level.

A search result receiving unit 93, configured to send the search request to the selected content source and receive the search result;

The sending unit 94 is configured to send the search result to the user.

Further: the sending unit 94 is also configured to send the content of the user satisfaction survey on the content source to the user, and obtain user satisfaction feedback information. Wherein, the satisfaction survey content of the content source sent to the user carries the identifier of the content source to which the search result belongs. By sending the content of the satisfaction survey of the content source, the user can give feedback on the satisfaction degree of the content source, so that the content source most satisfied by the user is preferentially selected, and the user experience is improved.

Further: the sending unit 94 is further configured to send a secondary search link to the user. By sending the link of the secondary search, the user can conveniently obtain the search result that can only be used by high-level users as long as the user clicks on the link, which improves the user's search experience.

The above-mentioned sending unit sends the content of the user's satisfaction survey on the content source and the link of the secondary search to the user, which can also be applied in other embodiments of the search server. The content of the user's satisfaction survey on the content source and the link to the secondary search can be included in the search results and sent to the user, or the content of the user's satisfaction survey on the content source and the link to the secondary search can be sent to the user separately .

Optionally, the above-mentioned search server further includes a content source grading unit 97, configured to receive a request message including content source registration information, and register and rank content sources according to the content source registration information. When determining the content source that can be used, the content source level that can be used in this search request can be determined according to the additional information of the search condition or the user level, and the content source level is obtained by grading the content source by the content source grading unit 97 , and then among the content sources corresponding to the available content source levels, the content source may be selected according to at least one of the search criteria of the current search request, user satisfaction feedback information, and content source levels. By grading content sources, different users can use content sources of different levels, and in the search service, differentiated services are provided for users.

Optionally, the above search server further includes a sorting unit 98, configured to sort the above search results according to the similarity of the search results obtained by the search result receiving unit 93; or, to sort the above search results according to the level of the content source to which the above search results belong. The search results are sorted; or, the search results are sorted according to a combination of the similarity of the above search results and the level of the content source to which the above search results belong.

In the embodiment of the present invention, after the user makes a search request, the content source selection unit 92 in the search server selects a content source that the user can use. The content sources selected by the search server send search requests and receive returned search results. For the same search condition, the search server can search for the corresponding search results according to the user's level or additional conditions, which realizes the user's personalized search requirements and guarantees the user's experience.

A schematic structural diagram of another search server according to an embodiment of the present invention is shown in FIG. 10 , including:

a search request receiving unit 1001, configured to receive a user's search request;

A search result receiving unit 1002, configured to send a search request to a content source and receive returned search results;

A sorting unit 1003, configured to acquire the level of the content source, and sort the search results according to the level of the content source;

For the specific process, refer to the description of S805.

A sending unit 1004, configured to send the sorted search results to the user.

Further: the sending unit 1004 may also be configured to send the content of the user's satisfaction survey on the content source and/or the link of the secondary search to the user, and the specific implementation may refer to the embodiment shown in FIG. 9 .

Optionally, the above-mentioned search server further includes a content source grading unit 1005, configured to receive a request message including content source registration information, and register and rank content sources according to the content source registration information. Refer to Figure 4 for the specific process.

Optionally, the search server further includes a content source selection unit 1006, configured to select a content source according to at least one of the search condition of the search request, user satisfaction feedback information, and content source levels graded by the content source grading unit 1005. The search result receiving unit 1002 sends a search request to the selected content, and receives returned search results.

In the embodiment of the present invention, after the user makes a search request, the search server searches the content source and obtains the search results, and the sorting unit of the search server sorts the search results so that the user can receive the sorted results. Improved user experience.

A schematic structural diagram of another search server according to an embodiment of the present invention is shown in FIG. 11 , including:

A search request receiving unit 1101, configured to receive a user's search request;

A content source determining unit 1102, configured to determine an available content source for the search request;

Specifically, the level of the available content source may be determined according to the search request, or the range of the available content source may be determined according to the search request; refer to the description in S602 for the specific process.

A content source selection unit 1103, configured to select a content source from available content sources;

There are many ways to select a content source, and the specific process may refer to the description in S602.

A search result receiving unit 1104, configured to send the search request to the selected content source and receive the search result;

A sending unit 1105, configured to send the search result to the user.

Further: the sending unit 1105 is further configured to send the content of the user's satisfaction survey on the content source to the user, and the content of the user's satisfaction survey on the content source carries the identifier of the content source to which the search result belongs.

Optionally, the above-mentioned search server may also include a sorting unit 1106, configured to sort the above-mentioned search results according to the similarity of the search results received by the search-result receiving unit 1104; The preset level is used to sort the search results; or, it is used to sort the search results according to the combination of the similarity of the above search results and the level of the content source to which the above search results belong.

In the embodiment of the present invention, after the user makes a search request, the content source determination unit 1102 in the search server determines the available content sources for this search request, and then the content source selection unit 1103 selects a content source from the available content sources. In this way, different users who put forward the same search request will obtain different search results, realize the user's personalized search requirements, improve the experience of search users, and increase the revenue of search operators.

Through the description of the above embodiments, those skilled in the art can clearly understand that the present invention can be realized by means of software plus a necessary general-purpose hardware platform, and of course also by hardware, but in many cases the former is a better implementation mode . Based on this understanding, the essence of the technical solution of the embodiment of the present invention or the part that contributes to the prior art can be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for making A mobile device (which may be a mobile phone, a personal computer, a media player, etc.) executes the methods described in various embodiments of the present invention. The storage medium referred to here, such as: ROM/RAM, magnetic disk, optical disk, etc.

Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention also intends to include these modifications and variations.

Claims (14)

1. A search method, characterized in that, comprising: receiving a search request from a user, the search request including at least one of additional information and a user identification; Acquiring the level of the user according to at least one of the additional information and the user identifier; determining available content source levels according to the level of the user; Select a content source from the content sources corresponding to the available content source level; sending said search request to said selected content source and receiving search results; The search results are sent to the user. 2. The method according to claim 1, further comprising: classifying users in advance according to user information, said user information including registration information of said users and/or information obtained from third-party devices; When selecting a content source according to the user level, obtain the user level from the pre-completed user rating according to the user identifier in the search request, or combine the pre-completed user rating and additional information in the search request Determine the user level. 3. The method according to claim 1 or 2, wherein when selecting a content source according to the user level, further comprising: determining the user level according to the additional information in the search request or determining the user level is the default level. 4. The method according to claim 1 or 2, further comprising: receiving a request message containing content source registration information, and registering the content source according to the content source registration information before receiving the user's search request and graded. 5. The method according to claim 1 or 2, wherein the selecting a content source from the content sources corresponding to the available content source level specifically comprises: according to the search conditions of the search request, user satisfaction feedback At least one of information and content source level, and select the content source from the content sources corresponding to the available content source level. 6. The method according to claim 1 or 2, further comprising: sending the content of the user satisfaction survey on the content source to the user, and the content of the user satisfaction survey on the content source carries An identification of the content source to which the search result belongs; and receiving user satisfaction feedback information carrying the identification of the content source returned by the user. 7. The method according to claim 1 or 2, further comprising: sending a secondary search link to the user. 8. The method according to claim 1 or 2, further comprising: before sending the search result to the user: sorting the search results according to their similarity; or, sorting the search results according to the rating of the content source; or, The search results are sorted according to a combination of the similarity of the search results and the level of the content source. 9. A search server, characterized in that, comprising: a search request receiving unit, configured to receive a search request from a user, the search request including at least one of additional information and a user identifier; a user level determining unit, configured to determine a user level according to at least one of the additional information and the user identifier; A content source selection unit, configured to determine available content source levels according to the user level, and then select a content source from the content sources corresponding to the available content source levels; a search result receiving unit, configured to send the search request to the selected content source and receive the search result; A sending unit, configured to send the search result to the user. 10. The search server according to claim 9, further comprising a user grading unit, configured to classify users in advance according to user information, said user information including registration information of said users and/or information from a third party information obtained by the device. 11. The search server according to claim 9 or 10, further comprising: a content source grading unit, configured to receive a request message including content source registration information, and register and register content sources according to the content source registration information. Grading. 12. The search server according to claim 9 or 10, wherein the sending unit is further configured to send to the user the content of the user satisfaction survey on the content source, and the user's satisfaction degree on the content source The investigated content carries the identifier of the content source to which the search result belongs. 13. The search server according to claim 9 or 10, wherein the sending unit is further configured to send a secondary search link to the user. 14. The search server according to claim 9 or 10, further comprising a sorting unit configured to sort the search results according to the similarity of the search results; or, for sorting the search results according to the rating of the content source; or, It is used to sort the search results according to the combination of the similarity of the search results and the level of the content source.