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INFORMATION RETRIEVAL

INFORMATION RETRIEVAL. Link Analysis. UNIT-IV WEB SEARCH – LINK ANALYSIS AND SPECIALIZED SEARCH. Link Analysis. Link Analysis use of hyperlinks for ranking web search results two distinct methods for link analysis HITS Page Rank. Web as a graph. HTML Page as directed graph

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INFORMATION RETRIEVAL

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  1. INFORMATION RETRIEVAL • Link Analysis UNIT-IV WEB SEARCH – LINK ANALYSIS AND SPECIALIZED SEARCH

  2. Link Analysis • Link Analysis • use of hyperlinks for ranking web search results • two distinct methods for link analysis • HITS • Page Rank

  3. Web as a graph • HTML Page as directed graph • web page is a node • each hyperlink a directed edge.

  4. Types of Links :Inbound links • Link into the site from outside • to increase a site's total Page Rank.

  5. Outbound links • links from a page to other pages in a site or other sites

  6. Dangling links • links that point to any page with no outgoing links

  7. Link Spam • Page Rank and anchor text extraction are used in commercial search engines • Unscrupulous web page designers • Create useless links just to improve the search engine placement of one of their web pages.

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