Engineering Semantics on the Web
This event took place on Friday 16 January 2004 at 12:30
Prof. Enrico Motta KMi, The Open University, UK
In this talk I will discuss the various issues associated with the development and maintenance of semantic web sites, i.e., web sites augmented with semantic information, expressed using web-based knowledge representation languages, such as RDF or OWL.
I will begin the presentation by discussing the nature of semantic web sites and I will illustrate the various roles semantics can play, such as providing information about web resources, structuring the architecture of a site, or even providing the globality of a site specification, as in the OntoWeaver approach. Having distinguished between different kinds of semantic web sites, I will then discuss the kind of functionalities that a semantic approach enables. In particular, I will use the KMi web site as a test case and present a number of semantics-enabled services, providing support for query answering, information visualization and browsing, and user customization. In the talk I will also address the pragmatic issues associated with constructing semantic web sites, such as how to address the annotation bottleneck.
Hence, the purpose of the talk is two-fold: i) to illustrate the various issues associated with engineering semantic information on the web, and ii) to stimulate a discussion within KMi, both to gain an understanding of the advantages and costs associated with adding semantic information to the KMi web site, and to brainstorm about the kind of functionalities that such enhancement could enable.
Download PowerPoint Presentation (4.8Mb ZIP file)
This event took place on Friday 16 January 2004 at 12:30
In this talk I will discuss the various issues associated with the development and maintenance of semantic web sites, i.e., web sites augmented with semantic information, expressed using web-based knowledge representation languages, such as RDF or OWL.
I will begin the presentation by discussing the nature of semantic web sites and I will illustrate the various roles semantics can play, such as providing information about web resources, structuring the architecture of a site, or even providing the globality of a site specification, as in the OntoWeaver approach. Having distinguished between different kinds of semantic web sites, I will then discuss the kind of functionalities that a semantic approach enables. In particular, I will use the KMi web site as a test case and present a number of semantics-enabled services, providing support for query answering, information visualization and browsing, and user customization. In the talk I will also address the pragmatic issues associated with constructing semantic web sites, such as how to address the annotation bottleneck.
Hence, the purpose of the talk is two-fold: i) to illustrate the various issues associated with engineering semantic information on the web, and ii) to stimulate a discussion within KMi, both to gain an understanding of the advantages and costs associated with adding semantic information to the KMi web site, and to brainstorm about the kind of functionalities that such enhancement could enable.
Download PowerPoint Presentation (4.8Mb ZIP file)
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Semantic Web and Knowledge Services is...
Our research in the Semantic Web area looks at the potentials of fusing together advances in a range of disciplines, and applying them in a systemic way to simplify the development of intelligent, knowledge-based web services and to facilitate human access and use of knowledge available on the web. For instance, we are exploring ways in which tnatural language interfaces can be used to facilitate access to data distributed over different repositories. We are also developing infrastructures to support rapid development and deployment of semantic web services, which can be used to create web applications on-the-fly. We are also investigating ways in which semantic technology can support learning on the web, through a combination of knowledge representation support, pedagogical theories and intelligent content aggregation mechanisms. Finally, we are also investigating the Semantic Web itself as a domain of analysis and performing large scale empirical studies to uncover data about the concrete epistemologies which can be found on the Semantic Web. This exciting new area of research gives us concrete insights on the different conceptualizations that are present on the Semantic Web by giving us the possibility to discover which are the most common viewpoints, which viewpoints are mutually inconsistent, to what extent different models agree or disagree, etc...
Our aim is to be at the forefront of both theoretical and practical developments on the Semantic Web not only by developing theories and models, but also by building concrete applications, for a variety of domains and user communities, including KMi and the Open University itself.
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