Papers by jie gao
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Simplicity is widely accepted as the predominant successful factor of World Wide Web compared wit... more Simplicity is widely accepted as the predominant successful factor of World Wide Web compared with its contemporaries (i.e., Hyper-G and Microcosm). As the embodiment of Hypertext, Web has transformed the traditional way of presentation and interaction of information. In this short paper, the history of hypertext will be briefly overviewed to understand the motivation of web. This paper will then explore the architecture of web by the comparison to other hypermedia systems,particularly with respect to link and scalability. Lastly, current work on open System including Open hypertext system and open hyper media system will be examined to explore the potential implications on
the evolvement of web.
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This paper presents a brief summary of the state of the
art in semantic web services. The motiva... more This paper presents a brief summary of the state of the
art in semantic web services. The motivation and salient
challenges in this eld are rstly discussed. Then, current
predominant approaches including WSMO, OWL-S, SWSF
and WSDL-S are evaluated emphasizing on their separate
strengths and deciencies in terms of addressing the challenges.
Through the comparison and contrast of current
techniques' similarities and dierences from a technical perspective,
the paper will nally summary current unsolved
problems and related contributions on them, thereby look
into the overall status of the state of the art in the evolvement
of Semantic Web Service and potential future direction.
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Cloud SSO is currently predicted as the next generation of SSO impelled by the popularization of ... more Cloud SSO is currently predicted as the next generation of SSO impelled by the popularization of SAMLbased Federation Identity (FIM). Inspired from the research
papers collected in the Literature Search, this Technical Report focuses on the emergent security issues in Cloud-Computingbased cross-domain SSO. As cloud authentication relies on Browser for I/O between client and remote servers, inherent web security deficiencies cause security risks on current browserbased
authentication protocols (i.e., Microsofts Passport and SAML protocols). A variety of approaches through integrating TLS with Same Origin Policy (SOP) devoting to mitigate the security pitfalls of this scenario are presented herein, thereby attempting to explore the potential of state-of-the-art security technologies against cloud SSO authentication challenges.
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RIA technologies become a de facto in contemporary development of Web application. Flex technolog... more RIA technologies become a de facto in contemporary development of Web application. Flex technology is widely recognized as one of most popular and effective RIA technology. However, there has not been a uniform solution to integrate the client-side technology with existing JEE server-side technologies, typically Web services, Spring and Hibernate framework, in terms of offering a system for large scale Rich Internet Application development. This paper presents an evaluation of the state of the art in Enterprise RIA development and the aim is to design a multi-layer architecture of system based on Hibernate, Spring and Web Service as server-side technologies and leverage Parsley Flex Framework as Client-side solution, according to current design standards such as loosely-coupled, testable, reusable, maintainable and accessible, in order to achieve higher interoperability, efficiency and productivity.
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The Endeavour Agent is designed to compete in a class TAC Classic tournament. This paper first gi... more The Endeavour Agent is designed to compete in a class TAC Classic tournament. This paper first gives a brief overview of the TAC Classic game and then discusses in detail about the various challenges and design trade-offs while engaging in three auctions including Flight Auction, Hotel Auction and Entertainment Auction. In section three, the endeavour agent will be elaborated including the overall architecture and the reason of the choices behind the strategies adopted in our agent. Finally, we will present an overall evaluation regarding the result of our agent in the class tournament. The analysis of specific performance will be accordingly conducted in order to conclude the lessons learned from top scoring agents as well as possible further improvement.
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Enterprise Content Management Systems have been embraced by organisations to manage enterprise kn... more Enterprise Content Management Systems have been embraced by organisations to manage enterprise knowledge and facilitate the cooperation and collaboration among employees. The current techniques and social tools such as free-tagging or content syndication that widely employed in enterprise 2.0 paradigms are normally seen in blogs, corporate wikis, forum and so forth, which facilitate the knowledge creating, storage, retrieval and sharing within the enterprise. However, these prevalent approaches have some distinct limitations in web content management, especially in the context of enterprise scale systems. This can be examplified by the deficiencies of full-text document retrieval and various issues concerning data sharing, reusing and merging across heterogeneous platforms or applications (a.k.a “data silo” issues).
It has been an initiative for a long time that leverage semantic web techonologies to support more powerful discovery, indexing, search, annotation, classification and navigation of unstructured and semi-structured content across heterogeneous data stores. Enterprise content management systems are therefore investigated as a vehicle in this thesis so as to explore how the state-of-the-art in semantic web domain and most importantly Linked Data technology can be employed to address the pressing problems.
This thesis identifies the best practices from current successful linked data based applications and further evaluates corresponding benefits from them. A proof-of-concept is then proposed to link enterprise data and the web of data. The scenario of the prototype implemented herein is based on the Alfresco platform, which is one of the most popular open source enterprise content management system, where our implements intend to enable the user to produce semantic site content and link them to the web of data without requiring extensive knowledge on semantic web technologies. This is achieved by using our linked data based web application to annotate and publish structured data, and employing the state-of-the-art of Name Entity Extraction technologies to facilitate processing unstructured content and making the link among the documents within the content repository, which are originally formatted as wiki, event blog and so forth, and reside in either internet or intranet. Moreover, the RDF-based vocabularies designed herein embrace current common practices from industry including FOAF, SKOS, SIOC and MOAT, therefore enhancing the portability and reusability of the data.
In addition, the prototype features a lightweight solution publishing content as linked data through a linked data server, which attempts to research the potential benefits brought about through improving the availability of corporate data as well as the high accessibility for human and user agents accessing to the enterprise knowledge base in multiple perspective.
The project is built on our semantic web system architecture and we believe the approach designed herein can be applied to help the application of Linked Data technology in an enterprise level, adhering to current design principles and meanwhile leveraging the power of linked data technologies easier. The thesis will finally evaluate our solutions and study how the state-of-the-art of semantic web technologies can be deployed to add value to existing enterprise content management systems.
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Conference Presentations by jie gao
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Papers by jie gao
the evolvement of web.
art in semantic web services. The motivation and salient
challenges in this eld are rstly discussed. Then, current
predominant approaches including WSMO, OWL-S, SWSF
and WSDL-S are evaluated emphasizing on their separate
strengths and deciencies in terms of addressing the challenges.
Through the comparison and contrast of current
techniques' similarities and dierences from a technical perspective,
the paper will nally summary current unsolved
problems and related contributions on them, thereby look
into the overall status of the state of the art in the evolvement
of Semantic Web Service and potential future direction.
papers collected in the Literature Search, this Technical Report focuses on the emergent security issues in Cloud-Computingbased cross-domain SSO. As cloud authentication relies on Browser for I/O between client and remote servers, inherent web security deficiencies cause security risks on current browserbased
authentication protocols (i.e., Microsofts Passport and SAML protocols). A variety of approaches through integrating TLS with Same Origin Policy (SOP) devoting to mitigate the security pitfalls of this scenario are presented herein, thereby attempting to explore the potential of state-of-the-art security technologies against cloud SSO authentication challenges.
It has been an initiative for a long time that leverage semantic web techonologies to support more powerful discovery, indexing, search, annotation, classification and navigation of unstructured and semi-structured content across heterogeneous data stores. Enterprise content management systems are therefore investigated as a vehicle in this thesis so as to explore how the state-of-the-art in semantic web domain and most importantly Linked Data technology can be employed to address the pressing problems.
This thesis identifies the best practices from current successful linked data based applications and further evaluates corresponding benefits from them. A proof-of-concept is then proposed to link enterprise data and the web of data. The scenario of the prototype implemented herein is based on the Alfresco platform, which is one of the most popular open source enterprise content management system, where our implements intend to enable the user to produce semantic site content and link them to the web of data without requiring extensive knowledge on semantic web technologies. This is achieved by using our linked data based web application to annotate and publish structured data, and employing the state-of-the-art of Name Entity Extraction technologies to facilitate processing unstructured content and making the link among the documents within the content repository, which are originally formatted as wiki, event blog and so forth, and reside in either internet or intranet. Moreover, the RDF-based vocabularies designed herein embrace current common practices from industry including FOAF, SKOS, SIOC and MOAT, therefore enhancing the portability and reusability of the data.
In addition, the prototype features a lightweight solution publishing content as linked data through a linked data server, which attempts to research the potential benefits brought about through improving the availability of corporate data as well as the high accessibility for human and user agents accessing to the enterprise knowledge base in multiple perspective.
The project is built on our semantic web system architecture and we believe the approach designed herein can be applied to help the application of Linked Data technology in an enterprise level, adhering to current design principles and meanwhile leveraging the power of linked data technologies easier. The thesis will finally evaluate our solutions and study how the state-of-the-art of semantic web technologies can be deployed to add value to existing enterprise content management systems.
Conference Presentations by jie gao
the evolvement of web.
art in semantic web services. The motivation and salient
challenges in this eld are rstly discussed. Then, current
predominant approaches including WSMO, OWL-S, SWSF
and WSDL-S are evaluated emphasizing on their separate
strengths and deciencies in terms of addressing the challenges.
Through the comparison and contrast of current
techniques' similarities and dierences from a technical perspective,
the paper will nally summary current unsolved
problems and related contributions on them, thereby look
into the overall status of the state of the art in the evolvement
of Semantic Web Service and potential future direction.
papers collected in the Literature Search, this Technical Report focuses on the emergent security issues in Cloud-Computingbased cross-domain SSO. As cloud authentication relies on Browser for I/O between client and remote servers, inherent web security deficiencies cause security risks on current browserbased
authentication protocols (i.e., Microsofts Passport and SAML protocols). A variety of approaches through integrating TLS with Same Origin Policy (SOP) devoting to mitigate the security pitfalls of this scenario are presented herein, thereby attempting to explore the potential of state-of-the-art security technologies against cloud SSO authentication challenges.
It has been an initiative for a long time that leverage semantic web techonologies to support more powerful discovery, indexing, search, annotation, classification and navigation of unstructured and semi-structured content across heterogeneous data stores. Enterprise content management systems are therefore investigated as a vehicle in this thesis so as to explore how the state-of-the-art in semantic web domain and most importantly Linked Data technology can be employed to address the pressing problems.
This thesis identifies the best practices from current successful linked data based applications and further evaluates corresponding benefits from them. A proof-of-concept is then proposed to link enterprise data and the web of data. The scenario of the prototype implemented herein is based on the Alfresco platform, which is one of the most popular open source enterprise content management system, where our implements intend to enable the user to produce semantic site content and link them to the web of data without requiring extensive knowledge on semantic web technologies. This is achieved by using our linked data based web application to annotate and publish structured data, and employing the state-of-the-art of Name Entity Extraction technologies to facilitate processing unstructured content and making the link among the documents within the content repository, which are originally formatted as wiki, event blog and so forth, and reside in either internet or intranet. Moreover, the RDF-based vocabularies designed herein embrace current common practices from industry including FOAF, SKOS, SIOC and MOAT, therefore enhancing the portability and reusability of the data.
In addition, the prototype features a lightweight solution publishing content as linked data through a linked data server, which attempts to research the potential benefits brought about through improving the availability of corporate data as well as the high accessibility for human and user agents accessing to the enterprise knowledge base in multiple perspective.
The project is built on our semantic web system architecture and we believe the approach designed herein can be applied to help the application of Linked Data technology in an enterprise level, adhering to current design principles and meanwhile leveraging the power of linked data technologies easier. The thesis will finally evaluate our solutions and study how the state-of-the-art of semantic web technologies can be deployed to add value to existing enterprise content management systems.