CN102902695A - Navigation system as well as interest point searching method and device - Google Patents
Navigation system as well as interest point searching method and device Download PDFInfo
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Abstract
The invention provides a navigation system as well as an interest point searching method and device. The interest point searching method comprises the following steps of: extracting keywords corresponding to an interest point searching request, wherein the keywords comprise name keywords and attribute keywords; carrying out interest point search according to the name keywords and carrying out attribute limitation on the search by the attribute keywords; and generating an interest point searching result, wherein interest point information in the searching result is matched with at least one of the name keywords. According to the technical scheme provided by the invention, the requirement of searching interest points by a user can be better met so as to bring about great convenience to the user.
Description
Technical field
The present invention relates to field of navigation technology, particularly a kind of navigational system and point of interest search method and apparatus.
Background technology
Nowadays, development of automobile industry is rapid, and automobile has become the main vehicles of people.Meanwhile, automobile begins to become gradually the popular consumer goods, and the consumer group of automobile is in continuous expansion, and the consumer is when having automobile, and is also more and more higher to the requirement of automobile, especially in the performance of automobile and aspect the experience when driving a car.For example, the user needs on the automobile corresponding technical measures to be arranged, so that the service of the multimedia demands such as music, video, picture to be provided, and the service such as navigation, real-time road, destination maps.
Automatic navigator is configured on the automobile, for the user provides navigation Service, the user is as long as input the destination in navigating instrument, system can finish the calculating in path automatically, and shows paths, advances by the default path, mode guiding in real time user edge of voice suggestion by display screen in the driving way.
Existing automatic navigator except possessing navigation feature, also possesses the function of point of interest being searched for and provided the information relevant with point of interest, as the attribute information such as title, address, phone, fax, postcode of point of interest is provided.So-called point of interest refers to the higher or interested place of user's frequency of utilization in general, such as: restaurant, shopping place, public place of entertainment, scenic spot etc., and in certain area important place, such as bank, post office, ShangWu Building, government bodies etc.The user is by this function, can be easily oneself want the key word of the point of interest inquired about by the touch-screen input of automatic navigator, navigational system is according to the key word of the point of interest of user's input, can search out many interest point informations relevant with the key word of user input and show by display screen, the user is according to the result who searches, select the information of actual interested point of interest, the address information of the point of interest that provides according to navigational system simultaneously, by navigation feature to select suitable path to go to the target point of interest.For instance, if the user wants to go to " scape Shu Yuan eight villages ", only need to input key word " Jing Shuyuan " by touch-screen, can show " scape Shu Yuan one village ", " scape Shu Yuan two villages " on the display screen this moment ... " scape Shu Yuan eight villages ", the user clicks the address information " 186 lanes, gull road, Pu " that target point of interest " scape Shu Yuan eight villages " can demonstrate " scape Shu Yuan eight villages ", automatic navigator is according to the position at the present place of user and the position of target point of interest, for the user provides the path of the best to make things convenient for the user to drive in a vehicle to.
Yet, for the point of interest search function that present automatic navigator provides, it is for the search of key word in the point of interest, general all is that data in the map data base that directly key word and automatic navigator is carried are simply mated, and sees in the title of point of interest in the map data base whether comprise this key word.And will comprise the point of interest of this key word in all titles by showing screen display.For instance, the user wants to go to " Oriental Pearl TV Tower " to visit, therefore the touch-screen input key word " Shanghai Oriental Pearl " by automatic navigator, because navigational system only is to seek three key words " Shanghai ", " east " that comprises simultaneously user's input in the title in map data base, the POI of " jewel ", therefore, can obtain Search Results as shown in table 1.
Table 1
| The area | Type | POI |
| Beijing | Company | The Shanghai Oriental Pearl Beijing office |
| Shanghai | Amusement | Shop, east, Shanghai Rome leisure center jewel road |
| Shanghai | The hotel | The Shanghai Oriental Pearl grand hotel |
And for " Oriental Pearl TV Tower " this point of interest, owing to do not comprise " Shanghai " in its title, therefore this point of interest searched arriving not.
In fact, the user wants exactly " Oriental Pearl TV Tower " this POI of searching most, and also namely the Search Results shown in the table 2 is only user's target point of interest.
Table 2
| The area | Type | POI |
| Shanghai | The sight spot | The Oriental Pearl TV Tower |
From the above, existing point of interest search method, when according to the key word of point of interest point of interest being searched for, only be that the point of interest search that simply title in the map data base is comprised all key words goes out, therefore, miss possibly the user and really want the target point of interest searched for, can not satisfy well user's demand.
About the search of point of interest, can also be the Chinese patent application of CN101398308A with reference to publication number, this Patent Application Publication a kind of interest point search method, interest point search device and navigational system.
Summary of the invention
The problem that the present invention solves is that the point of interest search method of prior art can't satisfy the user well to the demand of point of interest search.
For addressing the above problem, the invention provides a kind of point of interest search method, comprising:
Extract the key word corresponding with the point of interest search request, described key word comprises title key word and attribute key word;
Carry out point of interest search according to described title key word, with described attribute key word attribute limits is carried out in search;
Generate points of interest searching result, the interest point information in the described Search Results mates at least one in the described title key word.
Optionally, the described title key word of described foundation carries out point of interest search, with described attribute key word attribute limits is carried out in search, comprising: the search of the title key word of described point of interest is carried out for the interest point information that meets described attribute.
Optionally, the described title key word of described foundation carries out point of interest search, with described attribute key word attribute limits is carried out in search, comprising: from carry out Search Results that point of interest search obtains according to described title key word, choose the interest point information that meets described attribute.
Optionally, the described title key word of described foundation carries out point of interest search, with described attribute key word attribute limits is carried out in search, comprise: when carrying out point of interest search according to described title key word, carry out point of interest search with described attribute key word as the attribute of point of interest, choose the common factor of the Search Results that aforementioned search obtains.
Optionally, described attribute key word comprises region key word and/or type key word.
Optionally, described ordering comprises: the number according to the title key word that comprises in the points of interest searching result, sorted to described points of interest searching result less successively by as many as.
Optionally, described point of interest search method also comprises: carrying out point of interest search according to described title key word, the Search Results that search is carried out attribute limits take described attribute key word is as zero or when being lower than preset value, carry out point of interest search according to title key word and attribute key word, generate points of interest searching result, the interest point information in the described Search Results mates at least one in described title key word and the attribute key word.
Optionally, describedly carry out point of interest search according to title key word and attribute key word, comprise: according to the number sum of described title key word and attribute key word, carry out point of interest search according to described title key word and/or attribute key word successively less by as many as.
Optionally, described point of interest search method comprises that also the points of interest searching result to generating sorts.
Optionally, described ordering comprises, will carry out point of interest search according to described title key word, with described attribute key word search is carried out before points of interest searching result that attribute limits generates comes;
To carry out after points of interest searching result that point of interest search generates comes according to described title key word and attribute key word.
Optionally, describedly will carry out point of interest search according to described title key word and attribute key word, after the points of interest searching result that generates comes, comprise: the number according to the title key word that comprises in the points of interest searching result and attribute key word, sorted to described points of interest searching result less successively by as many as.
For addressing the above problem, the present invention also provides a kind of point of interest search device, comprising:
Extraction unit is suitable for extracting the key word corresponding with the point of interest search request, and described key word comprises title key word and attribute key word;
The first search unit is suitable for carrying out point of interest search according to described title key word, with described attribute key word attribute limits is carried out in search;
The first generation unit is suitable for generating points of interest searching result, and the interest point information in the described Search Results mates at least one in the described title key word.
Optionally, described the first search unit carries out for the interest point information that meets described attribute the search of the title key word of described point of interest.
Optionally, described the first search unit is chosen the interest point information that meets described attribute from the Search Results that carries out point of interest search according to described title key word and obtain.
Optionally, described the first search unit is according to described title key word when carrying out point of interest search, carries out point of interest search with described attribute key word as the attribute of point of interest, chooses the common factor of the Search Results that aforementioned search obtains.
Optionally, described attribute key word comprises region key word and/or type key word.
Optionally, described point of interest search device also comprises the first sequencing unit, is suitable for described points of interest searching result is sorted.
Optionally, described the first sequencing unit is sorted to the points of interest searching result that generates by as many as less successively according to the number of the title key word that comprises in the points of interest searching result.
Optionally, described point of interest search device also comprises:
Judging unit is suitable for judging whether the points of interest searching result that described the first generation unit generates is zero or is lower than preset value;
The second search unit is suitable for carrying out point of interest search according to title key word and attribute key word when the described points of interest searching result of described judgment unit judges is zero or is lower than preset value;
The second generation unit is suitable for generating points of interest searching result, and the interest point information in the described Search Results mates at least one in described title key word and the attribute key word.
Optionally, described the second search unit carries out point of interest search according to described title key word and/or attribute key word according to the number sum of described title key word and attribute key word less successively by as many as.
Optionally, described point of interest search device also comprises the second sequencing unit, is suitable for the points of interest searching result of the first generation unit generation and the points of interest searching result of the second generation unit generation are sorted.
Optionally, described the second sequencing unit is before the points of interest searching result that the first generation unit is generated comes, after the points of interest searching result that the second generation unit is generated comes.
Optionally, described the second sequencing unit is to the number according to the title key word that comprises in the points of interest searching result and attribute key word, and the points of interest searching result that successively described the second generation unit is generated less by as many as sorts.
For addressing the above problem, the present invention also provides a kind of navigational system, comprises above-mentioned point of interest search device.
Compared with prior art, technical scheme of the present invention has the following advantages:
The key word of point of interest is divided into title key word and attribute key word, carry out interest point search according to the title key word, and with the attribute key word as to the search attribute limits, can search out soon the interest point information of meeting consumers' demand, provide very large convenience to the user.
To carry out interest point search according to the title key word, and with the attribute key word as to the attribute limits of search and the Search Results that obtains sorts, and described ordering is according to the number of the title key word that comprises in the points of interest searching result, successively Search Results is sorted less by as many as, the interest point information that meets most user's request can be come the front, so that the user can find the target point of interest that oneself needs soon, provide great convenience to the user.
Further, carry out point of interest search at foundation title key word, and take the attribute key word as to the Search Results of the attribute limits of search as zero or when being lower than preset value, carry out point of interest search according to title key word and attribute key word, guaranteed to search the point of interest that the user needs, satisfied user's demand.
Because the number sum according to title key word and attribute key word, carry out point of interest search according to described title key word and/or attribute key word successively less by as many as, enlarged the hunting zone of point of interest, thereby can not omit the interest point information that the user really needs, guarantee to search the required point of interest of user, satisfied user's demand.
To carry out point of interest search according to described title key word, with described attribute key word search be carried out before points of interest searching result that attribute limits generates comes; To carry out after points of interest searching result that point of interest search generates comes according to described title key word and attribute key word, and the points of interest searching result after coming is according to the number of the title key word that comprises in the points of interest searching result and attribute key word, successively described points of interest searching result is sorted less by as many as, so that the user can find the target point of interest that oneself needs soon, satisfied user's demand, provided great convenience to the user.
Description of drawings
Fig. 1 is the schematic flow sheet of the point of interest search method of the embodiment of the invention one;
Fig. 2 is the structural representation of the point of interest search device of the embodiment of the invention one;
Fig. 3 is the schematic flow sheet of the point of interest search method of the embodiment of the invention two;
Fig. 4 is the structural representation of the point of interest search device of the embodiment of the invention two.
Embodiment
Just as described in the background art, the searching method of existing point of interest, data in the key word of the point of interest to be searched of normally user being inputted and the map data base that automatic navigator carries are simply mated, to comprise the point of interest of this key word in all titles by showing screen display, therefore, may cause in to the search procedure of point of interest omitting the user and really want the point of interest searched for, perhaps in the search procedure to point of interest, the Search Results of point of interest is 0, can't satisfy well user's demand.For example: the user thinks that point of interest " Oriental Pearl hotel " has a meal, and input key word " hotel Oriental Pearl " does not but search any record.This moment, the user wished that the information of the point of interest that searches is then as shown in table 3 most.
Table 3
| The area | Type | POI |
| Shanghai | The hotel | The Shanghai Oriental Pearl grand hotel |
Therefore, the inventor proposes, the key word of user's input is distinguished by attribute, to the search of point of interest with attribute as certain restrictive condition, to realize the searching point of interest that meets user's request.
For above-mentioned purpose of the present invention, feature and advantage can more be become apparent, below in conjunction with accompanying drawing the specific embodiment of the present invention is described in detail.
Set forth detail in the following description so that fully understand the present invention.But the present invention can be different from alternate manner described here and implements with multiple, and those skilled in the art can be in the situation that do similar popularization without prejudice to intension of the present invention.Therefore the present invention is not subjected to the restriction of following public embodiment.
Embodiment one
See also Fig. 1, Fig. 1 is the schematic flow sheet of the point of interest search method of the embodiment of the invention one; As shown in Figure 1, the point of interest search method of the embodiment of the invention one comprises:
S11: extract the key word corresponding with the point of interest search request, described key word comprises title key word and attribute key word;
S12: carry out point of interest search according to described title key word, with described attribute key word attribute limits is carried out in search;
S13: generate points of interest searching result, the interest point information in the described Search Results mates at least one in the described title key word.
In the present embodiment, when the user wants to search for certain point of interest, can click first the point of interest search menu in the navigational system, then key in the key word of this point of interest by the touch-screen of navigational system, also namely sent the point of interest search request, navigational system is extracted the key word corresponding with this point of interest search request (being the key word of the point of interest to be searched inputted of user) after the point of interest search request that receives the user.Usually; some attribute informations that usually can comprise this point of interest in the key word of user's input; for example: if key word has then comprised Regional Property and the type attribute of point of interest to be searched in this key word for " minibus spicy restaurant, Shanghai "; wherein the key word " Shanghai " of user input represented point of interest to be searched the region in Shanghai, it is the restaurant that the key word " restaurant " of user's input has then represented interest point of general to be searched.
Next, system is distinguished the key word that extracts, specifically, exactly the key word that relates to title in the key word is distinguished with the key word that relates to attribute, so that the key word of the point of interest to be searched of user's input comprises two parts at last, a part is the title key word, and another part then is the attribute key word.The key word of attribute described in the present embodiment comprises region key word and/or type key word.
For instance, if the user wants the relevant information of searching for point of interest " Shanghai Oriental Pearl television tower ", the Shanghai Oriental Pearl television tower of driving in a vehicle to, send the request of search " Shanghai Oriental Pearl ", navigational system extracts first the key word corresponding with this point of interest search request " Shanghai Oriental Pearl ", because " Shanghai " this key word has certain attribute, specifically, " Shanghai " this key word has represented the region at point of interest place, namely has the attribute of region, therefore, key word " Shanghai " belongs to the region key word, and " Oriental Pearl " only is a title, therefore, belong to the title key word.Therefore, the key word of user's input finally is divided into: title key word " Oriental Pearl " and region key word " Shanghai ".
In order to search as soon as possible the point of interest that meets user's request, system can carry out point of interest search according to described title key word, and with described attribute key word attribute limits is carried out in search, still take above-mentioned searching for point of interest " Shanghai Oriental Pearl " as example, system then can be with the regional limits of region key word " Shanghai " when carrying out point of interest search with title key word " Oriental Pearl ", particularly, system can search regional limits in Shanghai by following three kinds of modes, comprises the point of interest of " Oriental Pearl " in the point of interest title.
The first, search to the title key word of point of interest is carried out for the interest point information that meets described attribute, specifically, meeting Regional Property in the interest point information in " Shanghai " exactly, " Oriental Pearl " carries out point of interest search according to the title key word.
The second is chosen the interest point information that meets described attribute from carry out Search Results that point of interest search obtains according to described title key word.Specifically, be exactly that direct basis title key word " Oriental Pearl " carries out point of interest search, in searching title, have (this moment, the search of this point of interest was carried out for all regions in the map data base) behind the point of interest of " Oriental Pearl ", choose and meet Regional Property in the information of the point of interest in " Shanghai ".
The third according to described title key word when carrying out point of interest search, carries out point of interest search with described attribute key word as the attribute of point of interest, chooses the common factor of the Search Results that aforementioned search obtains.Specifically, be exactly directly to carry out point of interest search with title key word " Oriental Pearl ", simultaneously, search for as the region at point of interest place with " Shanghai ", can think to directly search out this moment and satisfy the region at all points of interest in Shanghai.The set that to carry out the point of interest that point of interest search obtains with title key word " Oriental Pearl " with satisfy the region and do common factor in the set of all points of interest in Shanghai, just can obtain the region in Shanghai, and comprise the information of the point of interest of " Oriental Pearl " in the title of point of interest.
In the present embodiment, after by any one above-mentioned mode point of interest being searched for, in the points of interest searching result of generation, interest point information at least with the title key word in a coupling.Still take above-mentioned user search point of interest " Shanghai Oriental Pearl television tower " as example, behind user entered keyword " Shanghai Oriental Pearl ", the result who searches is as shown in table 4:
Table 4
| The area | Type | POI |
| Shanghai | The sight spot | Oriental Pearl |
| Shanghai | The hotel | The Shanghai Oriental Pearl grand hotel |
| Shanghai | Amusement | Shop, east, Shanghai Rome leisure center jewel road |
| Shanghai | The hotel | Dongfang Road shop, jewel hotel |
As can be seen from Table 4, in the Search Results of the final point of interest that obtains, in the title of the point of interest of each bar Search Results at least with title key word " Oriental Pearl " in a coupling.Also namely in table 4, for interest point information at least with the title key word in a coupling for, the title that in fact refers to point of interest at least with the title key word in a coupling.Need to prove, former in the points of interest searching result have only been provided in the table 4, and the address that in the search of reality, also can search point of interest at least with " Oriental Pearl " in a word coupling point of interest (in general, the title of point of interest and the Search Results of title keyword match can be come the front), the user can select according to the actual target point of interest that goes for, as: if user's target point of interest is not Oriental Pearl, but the dining room of jewel television tower one deck in the Orient, address.
In addition, can obtain rapidly interest point information in order to make things convenient for the user, can the Search Results of the point of interest that obtains be sorted accordingly, the Search Results that most probable is met customer demand comes the front.Those skilled in the art will recognize that when specific implementation, can select corresponding ordering rule according to actual conditions and demand.
To comprise the maximum Search Results of title key word in the points of interest searching result that to obtain to come the foremost in the present embodiment, to comprise title key word time many Search Results places thereafter, also namely according to the number of the title key word that comprises in the Search Results, successively described points of interest searching result is sorted less by as many as.
Still take above-mentioned searching for point of interest " Shanghai Oriental Pearl television tower " as example, after having inputted key word " Shanghai Oriental Pearl ", the Search Results that obtains at last is locked as the region in Shanghai, the related interests point that has at least a word and " east ", " side ", " bright ", " pearl " to mate in the point of interest title.Obtain as early as possible the relevant information of point of interest Shanghai Oriental Pearl television tower for the ease of the user, in Search Results, before the Search Results that comprises " Oriental Pearl " in the point of interest title comes, secondly for comprising the Search Results in " east " and " jewel ", secondly for comprising the Search Results in " east " or " jewel ", also namely according to the number of the title key word that comprises in the points of interest searching result, successively described points of interest searching result is sorted less by as many as.Further, in points of interest searching result, the point of interest that comprises identical title key word in the point of interest title, the Search Results that the order that comprises the order of title key word and the title key word that the user inputs in the point of interest title can be approached is placed on the front, not that very approaching Search Results is placed on thereafter with the order that comprises the title key word of the order of title key word and user input in the point of interest title, find fast the relevant information of the point of interest that meets its demand to make things convenient for the user.
Still take above-mentioned as example, if in the Search Results of point of interest, search point of interest " east water bank jewel " and point of interest " city, jewel east ", then point of interest " east water bank jewel " is come " city, jewel east " before.
For the searching method of point of interest in the present embodiment is described better, below wants to be positioned near the Shanghai Oriental Pearl hotel take the user and have a dinner as example and describe.User entered keyword " Shanghai Oriental Pearl hotel ", system is distinguished it after extracting this key word, obtain title key word " Oriental Pearl ", attribute key word " Shanghai " and " hotel ", wherein " Shanghai " is the region key word, " hotel " is the type key word, then system carries out point of interest search according to title key word " Oriental Pearl ", with region key word " Shanghai ", type key word " hotel " is as the regional limits in when search and class limitations (still can adopt in above-mentioned three kinds of methods any one search for restriction).Finally search regional limits in Shanghai, class limitations is the hotel, the points of interest searching result of at least one in the interest point information coupling title key word, and according in the points of interest searching result, interest point information coupling title key word is sorted to Search Results by the few order of as many as, as adopting in the situation that interest point information to comprise title key word number identical, the Search Results of point of interest title and title keyword match is come the front, the Search Results of point of interest address and title keyword match is come thereafter, and for the Search Results that point of interest title/address comprises identical title key word, the order of the title key word that then title/address of the point of interest that searches is comprised comes the front with the Search Results that the order of the title key word of user's input approaches, be not that very approaching Search Results comes thereafter with the order of the title key word of user's input in the order of the title key word that the point of interest title/address that searches is comprised, and then so that the user can be accurately and obtain rapidly the points of interest searching result that meets user's request.
Corresponding to the point of interest search method of the present embodiment, the present embodiment also provides a kind of point of interest search device, sees also Fig. 2, and Fig. 2 is the structural representation of the point of interest search device of the embodiment of the invention one; As shown in Figure 2, the point of interest search device of the embodiment of the invention comprises: extraction unit 101, the first search units 103, the first generation unit 105 and the first sequencing unit 107, wherein,
The first search unit 103 is suitable for carrying out point of interest search according to described title key word, with described attribute key word attribute limits is carried out in search.
The first generation unit 105 is suitable for generating points of interest searching result, and the interest point information in the described Search Results mates at least one in the described title key word.
The first sequencing unit 107 is suitable for described points of interest searching result is sorted.
Identical with above-mentioned point of interest search method, the first search unit 103 is carrying out point of interest search according to described title key word, with described attribute key word search is carried out also can adopting three kinds of above-mentioned modes when attribute limits is come searching for point of interest, so locate to repeat no more.The first generation unit 105 is after generating points of interest searching result, sort by 107 pairs of described points of interest searching result of the first sequencing unit, particularly, can be the number according to the title key word that comprises in the points of interest searching result, successively the points of interest searching result that generates be sorted less by as many as.Relevant detail to the points of interest searching result ordering also can referring to above-mentioned ordering to points of interest searching result, repeat no more herein.
In the present embodiment, the key word of point of interest is divided into title key word and attribute key word, carry out interest point search according to the title key word, and with the attribute key word as to the search attribute limits, can search out soon the interest point information of meeting consumers' demand, provide very large convenience to the user.
Further, to carry out interest point search according to the title key word, and with the attribute key word as to the attribute limits of search and the Search Results that obtains sorts, and described ordering is according to the number of the title key word that comprises in the points of interest searching result, successively Search Results is sorted less by as many as, the interest point information that meets most user's request can be come the front, so that the user can find the target point of interest that oneself needs soon, provide great convenience to the user.
Embodiment two
Different from the point of interest search method among the embodiment one, the point of interest search method of the present embodiment is mainly for adopting point of interest search method among the embodiment one to occur carrying out when Search Results does not meet user's demand.
In general, point of interest search method by embodiment one is can be more accurately and obtain rapidly the relevant information of the point of interest that meets user's request, but in some cases, when adopting the point of interest search method of embodiment one to carry out point of interest search, points of interest searching result may appear be 0 or the less situation of points of interest searching result.
For example: user entered keyword " Roman Holiday hotel ", searching method according to above-mentioned point of interest, system can divide key word, obtain the attribute key word, be specially: region key word " Rome " and type key word " hotel ", and title key word " holiday ", because the related data in the map data base that present navigating instrument is stored is domestic data message, therefore, with Rome as regional limits, the hotel is as class limitations, the search of carrying out point of interest can not get meeting the points of interest searching result of user's request, and its Search Results is 0.
For example: the user wants that the old Shaanxi oodle shop that is positioned at Yunnan, Shanghai Zhong Lu eats face, input key word " old Shaanxi, Shanghai oodle shop ", searching method according to above-mentioned point of interest, system can divide key word, obtain the attribute key word, be specially: region key word " Shanghai ", " Shaanxi ", type key word " oodle shop ", and title key word " always ", with " Shanghai " or " Shaanxi " as regional limits, oodle shop is as type-restriction, carry out the search of point of interest with title key word " always ", the region also can occur at the oodle shop in Shaanxi in the fewer and Search Results of the Search Results that finally obtains, cause to search the point of interest that meets user's request.Therefore, in order to ensure the point of interest that can search user's actual needs, after carrying out point of interest search by the method for embodiment one, need the key word of further User input that point of interest is searched for.
See also Fig. 3, Fig. 3 is the schematic flow sheet of the point of interest search method of the embodiment of the invention two, and as shown in Figure 3, the point of interest search method of the embodiment of the invention two comprises:
S21: extract the key word corresponding with the point of interest search request, described key word comprises title key word and attribute key word.
S22: carry out point of interest search according to described title key word, with described attribute key word attribute limits is carried out in search.
S23: generate points of interest searching result, the interest point information in the described Search Results mates at least one in the described title key word.
S24: judge that whether the points of interest searching result that generates is zero or is lower than preset value, if not, no longer carries out point of interest search.
S25: if, then carry out point of interest search according to title key word and attribute key word, generate points of interest searching result, the interest point information in the described Search Results mates at least one in described title key word and the attribute key word.
In the above-mentioned steps, S11～S13 is substantially similar among S21～S23 and the embodiment one, so locate to repeat no more.Different is, need to come the Search Results of point of interest that S21～S23 is generated to judge by S24, if the points of interest searching result that generates is non-vanishing or be higher than preset value, then no longer carries out point of interest search.If the points of interest searching result that generates is zero or is lower than preset value, then in order to ensure the relevant information that can search the point of interest that the user needs, then need to carry out S25, carry out point of interest search according to title key word and attribute key word, generate points of interest searching result.
Particularly, exactly the as a whole search of carrying out point of interest done in the key word of user's input.
Can according to the number sum of described title key word and attribute key word, carry out point of interest search according to described title key word and/or attribute key word successively less by as many as in the present embodiment.
For instance, if user entered keyword " Roman Holiday hotel ", then system carries out the search of point of interest with " Roman Holiday hotel " first, carry out again the search of point of interest with " Roman Holiday ", carry out again the search of point of interest with " holiday inn ", carry out the search of point of interest with " hotel, Rome " again, at last respectively to carry out the search of point of interest " Rome " " holiday " " hotel ".
Need to prove, the above-mentioned number sum according to described title key word and attribute key word that adopts when carrying out point of interest search according to title key word and attribute key word, the method of carrying out point of interest search according to described title key word and/or attribute key word successively less by as many as only is a kind of implementation of point of interest search, those skilled in the art understand, when specific implementation, can also select corresponding searching method to realize the search to point of interest according to actual conditions and demand.
By above-mentioned way of search, enlarged to a great extent the hunting zone of point of interest, also guaranteed to search the point of interest of user's request.
After by the way point of interest being searched for again, for so that the user finds its required point of interest fast, system can before carry out point of interest search according to described title key word, with described attribute key word search is carried out before points of interest searching result that attribute limits generates comes; Then will carry out after points of interest searching result that point of interest search generates comes according to described title key word and attribute key word.
Need to prove, although when carrying out point of interest search by step S21-S23, the Search Results of the point of interest that generates may be lower than preset value, but before system still can come this Search Results, because also may have the point of interest that meets user's request in this Search Results.Similarly, to carrying out point of interest search according to described title key word, with described attribute key word the points of interest searching result that attribute limits generates is carried out in search, identical among its ordering rule and the embodiment one, repeat no more herein.
For carrying out the points of interest searching result that point of interest search generates according to described title key word and attribute key word, then be according to the number of the title key word that comprises in the points of interest searching result and attribute key word, successively described points of interest searching result sorted less by as many as.
For instance, if the user thinks searching for point of interest " Roman Holiday hotel ", behind the input key word " Roman Holiday hotel ", the Search Results that obtains at last is to have the point of interest that is complementary with one of " Rome ", " holiday ", " hotel " in the point of interest title at least.Obtain as early as possible the relevant information in point of interest " Roman Holiday hotel " for the ease of the user, in Search Results, before the Search Results that comprises " Roman Holiday hotel " in the point of interest title comes, secondly for comprising the Search Results in " Rome " and " holiday " and " hotel ", secondly for comprising the Search Results in " Rome " and " holiday ", secondly for comprising the Search Results of " holiday " and " hotel ", secondly for comprising the Search Results in " Rome " and " hotel ", secondly for comprising the Search Results in one of " Rome " or " holiday " or " hotel ", also namely according to the number of the title key word that comprises in the points of interest searching result and attribute key word, successively described points of interest searching result is sorted less by as many as.
And in the points of interest searching result, have same title key word and the Search Results of attribute key word, the Search Results that the order of the title key word of the order of title key word in the Search Results and attribute key word and user's input and attribute key word can be approached is placed on the front, is not that very approaching Search Results is placed on thereafter with the title key word of the order of the order of title key word and attribute key word and user's input and the order of attribute key word.
In the present embodiment, described preset value is set by navigational system, as, can be 10,20.How many concrete described preset values gets, can be according to actual conditions and Location of requirement.
Corresponding to the point of interest search method in the present embodiment, the present embodiment also provides a kind of point of interest search device, sees also Fig. 4, and Fig. 4 is the structural representation of the point of interest search device of the embodiment of the invention two; As shown in Figure 4, the point of interest search device of the embodiment of the invention two comprises: extraction unit 201, the first search units 203, the first generation unit 205, judging unit 207, the second search unit 209, the second generation unit 211 and the second sequencing unit 213.Wherein,
Extraction unit 201 is suitable for extracting the key word corresponding with the point of interest search request, and described key word comprises title key word and attribute key word.
The first search unit 203 is suitable for carrying out point of interest search according to described title key word, with described attribute key word attribute limits is carried out in search.
The first generation unit 205 is suitable for generating points of interest searching result, and the interest point information in the described Search Results mates at least one in the described title key word.
Judging unit 207 is suitable for judging whether the points of interest searching result that described the first generation unit 205 generates is zero or is lower than preset value.
The second search unit 209 is suitable for carrying out point of interest search according to title key word and attribute key word when the described points of interest searching result of described judging unit 207 judgements is zero or is lower than preset value.
The second generation unit 211 is suitable for generating points of interest searching result, and the interest point information in the described Search Results mates at least one in described title key word and the attribute key word.
The second sequencing unit 213 is suitable for the Search Results of the first generation unit 205 generations and the Search Results of the second generation unit 211 generations are sorted.
The specific implementation process that the point of interest search device carries out the search of point of interest in relevant the present embodiment can be carried out with reference to the searching method of above-mentioned point of interest, does not repeat them here.
In the present embodiment, carry out interest point search at foundation title key word, and take the attribute key word as to the Search Results of the attribute limits of search as zero or when being lower than preset value, carry out point of interest search according to title key word and attribute key word, guaranteed to search the point of interest that the user needs, satisfied user's demand.
Because the number sum according to title key word and attribute key word, carry out point of interest search according to described title key word and/or attribute key word successively less by as many as, enlarged the hunting zone of point of interest, thereby can not omit the interest point information that the user really needs, guarantee to search the required point of interest of user, satisfied user's demand.
To carry out point of interest search according to described title key word, with described attribute key word search be carried out before points of interest searching result that attribute limits generates comes; To carry out after points of interest searching result that point of interest search generates comes according to described title key word and attribute key word, and the points of interest searching result after coming is sorted to described points of interest searching result by as many as less successively according to the number of the title key word that comprises in the points of interest searching result and attribute key word; So that the user can find the target point of interest that oneself needs soon, satisfied user's demand, provide great convenience to the user.
Although the present invention with preferred embodiment openly as above; but it is not to limit the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; can utilize method and the technology contents of above-mentioned announcement that technical solution of the present invention is made possible change and modification; therefore; every content that does not break away from technical solution of the present invention; to any simple modification, equivalent variations and modification that above embodiment does, all belong to the protection domain of technical solution of the present invention according to technical spirit of the present invention.
Claims (25)
1. a point of interest search method is characterized in that, comprising:
Extract the key word corresponding with the point of interest search request, described key word comprises title key word and attribute key word;
Carry out point of interest search according to described title key word, with described attribute key word attribute limits is carried out in search;
Generate points of interest searching result, the interest point information in the described Search Results mates at least one in the described title key word.
2. point of interest search method as claimed in claim 1, it is characterized in that, the described title key word of described foundation carries out point of interest search, with described attribute key word attribute limits is carried out in search, comprising: the search of the title key word of described point of interest is carried out for the interest point information that meets described attribute.
3. point of interest search method as claimed in claim 1, it is characterized in that, the described title key word of described foundation carries out point of interest search, with described attribute key word attribute limits is carried out in search, comprising: from carry out Search Results that point of interest search obtains according to described title key word, choose the interest point information that meets described attribute.
4. point of interest search method as claimed in claim 1, it is characterized in that, the described title key word of described foundation carries out point of interest search, with described attribute key word attribute limits is carried out in search, comprise: when carrying out point of interest search according to described title key word, carry out point of interest search with described attribute key word as the attribute of point of interest, choose the common factor of the Search Results that aforementioned search obtains.
5. point of interest search method as claimed in claim 1 is characterized in that, described attribute key word comprises region key word and/or type key word.
6. such as each described point of interest search method of claim 1～5, it is characterized in that, comprise that also the points of interest searching result to generating sorts.
7. point of interest search method as claimed in claim 6 is characterized in that, described ordering comprises: the number according to the title key word that comprises in the points of interest searching result, sorted to described points of interest searching result less successively by as many as.
8. such as each described point of interest search method of claim 1～5, it is characterized in that, also comprise: carrying out point of interest search according to described title key word, the Search Results that search is carried out attribute limits take described attribute key word is as zero or when being lower than preset value, carry out point of interest search according to title key word and attribute key word, generate points of interest searching result, the interest point information in the described Search Results mates at least one in described title key word and the attribute key word.
9. point of interest search method as claimed in claim 8, it is characterized in that, describedly carry out point of interest search according to title key word and attribute key word, comprise: according to the number sum of described title key word and attribute key word, carry out point of interest search according to described title key word and/or attribute key word successively less by as many as.
10. point of interest search method as claimed in claim 8 is characterized in that, comprises that also the points of interest searching result to generating sorts.
11. point of interest search method as claimed in claim 10 is characterized in that, described ordering comprises:
To carry out point of interest search according to described title key word, with described attribute key word search be carried out before points of interest searching result that attribute limits generates comes;
To carry out after points of interest searching result that point of interest search generates comes according to described title key word and attribute key word.
12. point of interest search method as claimed in claim 11, it is characterized in that, describedly will carry out point of interest search according to described title key word and attribute key word, after the points of interest searching result that generates comes, comprise: the number according to the title key word that comprises in the points of interest searching result and attribute key word, sorted to described points of interest searching result less successively by as many as.
13. a point of interest search device is characterized in that, comprising:
Extraction unit is suitable for extracting the key word corresponding with the point of interest search request, and described key word comprises title key word and attribute key word;
The first search unit is suitable for carrying out point of interest search according to described title key word, with described attribute key word attribute limits is carried out in search;
The first generation unit is suitable for generating points of interest searching result, and the interest point information in the described Search Results mates at least one in the described title key word.
14. point of interest search device as claimed in claim 13 is characterized in that, described the first search unit carries out for the interest point information that meets described attribute the search of the title key word of described point of interest.
15. point of interest search device as claimed in claim 13 is characterized in that, described the first search unit is chosen the interest point information that meets described attribute from carry out Search Results that point of interest search obtains according to described title key word.
16. point of interest search device as claimed in claim 13, it is characterized in that, described the first search unit is when carrying out point of interest search according to described title key word, carry out point of interest search with described attribute key word as the attribute of point of interest, choose the common factor of the Search Results that aforementioned search obtains.
17. point of interest search device as claimed in claim 13 is characterized in that, described attribute key word comprises region key word and/or type key word.
18. such as each described point of interest search device of claim 13～17, it is characterized in that, also comprise the first sequencing unit, be suitable for described points of interest searching result is sorted.
19. point of interest search device as claimed in claim 18 is characterized in that, described the first sequencing unit is sorted to the points of interest searching result that generates by as many as less successively according to the number of the title key word that comprises in the points of interest searching result.
20. such as each described point of interest search device of claim 13～17, it is characterized in that, also comprise:
Judging unit is suitable for judging whether the points of interest searching result that described the first generation unit generates is zero or is lower than preset value;
The second search unit is suitable for carrying out point of interest search according to title key word and attribute key word when the described points of interest searching result of described judgment unit judges is zero or is lower than preset value;
The second generation unit is suitable for generating points of interest searching result, and the interest point information in the described Search Results mates at least one in described title key word and the attribute key word.
21. point of interest search device as claimed in claim 20, it is characterized in that, described the second search unit carries out point of interest search according to described title key word and/or attribute key word according to the number sum of described title key word and attribute key word less successively by as many as.
22. point of interest search device as claimed in claim 20 is characterized in that, also comprises the second sequencing unit, is suitable for the points of interest searching result of the first generation unit generation and the points of interest searching result of the second generation unit generation are sorted.
23. point of interest search device as claimed in claim 22 is characterized in that, described the second sequencing unit is before the points of interest searching result that the first generation unit is generated comes, after the points of interest searching result that the second generation unit is generated comes.
24. point of interest search device as claimed in claim 23, it is characterized in that, described the second sequencing unit is to the number according to the title key word that comprises in the points of interest searching result and attribute key word, and the points of interest searching result that successively described the second generation unit is generated less by as many as sorts.
25. a navigational system is characterized in that, comprises each described point of interest search device of claim 13～24.
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| CN2011102175454A CN102902695A (en) | 2011-07-29 | 2011-07-29 | Navigation system as well as interest point searching method and device |
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