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MrWhy.com » Videos » Beyond Hubs and Authorities: Web Resource Discovery and Segmentation |
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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. From the Series:CSE Colloquia - 2000
Video Length: 3561
Date Found: February 12, 2009
Date Produced: December 05, 2000
View Count: 118
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