UWTV Program: Beyond Hubs and Authorities: Web Resource Discovery and Segmentation

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Beyond Hubs and Authorities: Web Resource Discovery and Segmentation

	After crawling and keyword indexing, the next wave that has made a significant impact on Web search is topic distillation: analyzing properties of the hyperlink graph for enhanced ranking of Web pages in response to a query. Hyperlink induced topic search (HITS) and PageRank (used in Google) are two examples. We discuss two enhancements to the graph selection process. First we will describe a learning system called a "focused crawler". Second we will discuss a fine-grained model for 'micro-hubs' and new algorithms based on the Minimum Description Length principle.



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Series Title:	CSE Colloquia - 2000
Subject(s):	Engineering and Computer Science
Speaker(s):	Soumen Chakrabarti, Indian Institute of Technology
Related Link(s):	(Abstract)
Production Date:	12/05/2000
Runtime:	00:59:21
Rating:	TV-G

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