lecture17-linkanalysis-handout-6-per

2111 when indexing a document d include with some

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Unformatted text preview: links seen, where do we crawl next? Assump(on 2: The text in the anchor of the hyperlink describes the target page (textual context) 9 Introduc)on to Informa)on Retrieval Introduc)on to Informa)on Retrieval Assump*on 1: reputed sites Assump*on 2: annota*on of target 11 12 2 Introduc)on to Informa)on Retrieval Anchor Text S ec. 21.1.1   When indexing a document D, include (with some weight) anchor text from links poin*ng to D.   For ibm how to dis*nguish between:   IBM s home page (mostly graphical)   IBM s copyright page (high term freq. for ibm )   Rival s spam page (arbitrarily high term freq.) ibm.com A million pieces of anchor text with ibm send a strong signal Introduc)on to Informa)on Retrieval S ec. 21.1.1 Indexing anchor text WWW Worm  ­ McBryan [Mcbr94] ibm Introduc)on to Informa)on Retrieval Armonk, NY-based computer giant IBM announced today www.ibm.com IBM home page Joe s computer hardware links Sun H...
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This document was uploaded on 02/26/2014.

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