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Extracting Focused Knowledge from the Semantic Web

Crow, L. R. and Shadbolt, N. R. (2001) Extracting Focused Knowledge from the Semantic Web International Journal of Human-Computer Studies, 54, (1), pp. 155-84.

Record type: Article


Ontologies are increasingly being recognized as a critical component in making networked knowledge accessible. Software architectures which can assemble knowledge from networked sources coherently according to the requirements of a particular task or perspective will be at a premium in the next generation of web services. We argue that the ability to generate task-relevant ontologies efficiently and relate them to web resources will be essential for creating a machine-inferencable "semantic web". The Internet-based multi-agent problem solving (IMPS) architecture described here is designed to facilitate the retrieval, restructuring, integration and formalization of task-relevant ontological knowledge from the web. There are rich structured and semi-structured sources of knowledge available on the web that present implicit or explicit ontologies of domains. Knowledge-level models of tasks have an important role to play in extracting and structuring useful focused problem-solving knowledge from these web sources. IMPS uses a multi-agent architecture to combine these models with a selection of web knowledge extraction heuristics to provide clean syntactic integration of ontological knowledge from diverse sources and support a range of ontology merging operations at the semantic level. Whilst our specific aim is to enable on-line knowledge acquisition from web sources to support knowledge-based problem solving by a community of software agents encapsulating problem-sloving inferences, the techniques described here can be applied to more general task-based integration of knowledge from diverse web sources, and the provision of services such as the critical comparison, fusion, maintenance and update of both formal informal ontologies.

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Published date: 2001
Organisations: Web & Internet Science


Local EPrints ID: 254260
PURE UUID: 38a1aeb1-a39b-45c3-8adf-14007d66e56a

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Date deposited: 06 Mar 2002
Last modified: 24 Jul 2017 16:42

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Author: L. R. Crow
Author: N. R. Shadbolt

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