- What’s in a link? From document importance to topical relevance
- Lecture Notes in Computer Science
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- Interfacultary Research Institutes
- Institute for Logic, Language and Computation (ILLC)
Web information retrieval is best known for its use of the Web’s link structure as a source of evidence. Global link evidence is by nature query-independent, and is therefore no direct indicator of the topical relevance of a document for a given search request. As a result, link information is usually considered to be useful to identify the ‘importance’ of documents. Local link evidence, in contrast, is query-dependent and could in principle be related to the topical relevance. We analyse the link evidence in Wikipedia using a large set of ad hoc retrieval topics and relevance judgements to investigate the relation between link evidence and topical relevance.
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- Proceedings title: Advances in information retrieval theory: Second International Conference on the Theory of Information
Retrieval, ICTIR 2009, Cambridge, UK, September 10-12, 2009: proceedings
Place of publication: Berlin
Editors: L. Azzopardi, G. Kazai, S. Robertson, S. Rüger, M. Shokouhi, D. Song, E. Yilmaz
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