yang-using-web-structure

yang-using-web-structure - Eric J. Glover1, Kostas...

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Introduction Aim Classification of web pages Description of web pages (to name clusters of web pages) Using Web Structure Extracting patterns from hyperlinks in the web. HyperLink The destination page Associated anchortext describing link
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Typical Text-based classification To utilize the words (or phrases) of a target document, considering the most significant features. Not Effective. E.g. The home page of General Motors ( www.gm.com ) does not state that they are a car company. Full text Anchortext Extended-anchortext A combination
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Virtual Document A virtual document is: A collection of anchortexts or extended anchortexts from links pointing to the target document. Anchortext: The words occurring inside of a link Extended anchortext: The set of rendered words occurring up to 25 words before and after an associated link (as well as the anchortext itself).
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Main Method Full-text classifier Virtual documents classifier Two Improvement methods Name a cluster Main Procedure Datasets Features EFL Ranking Train SVM
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Datasets Positive: a set of web pages downloaded from various Yahoo! Categories.
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This note was uploaded on 08/06/2008 for the course CSE 450 taught by Professor Davison during the Spring '08 term at Lehigh University .

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yang-using-web-structure - Eric J. Glover1, Kostas...

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