Data processing: database and file management or data structures – Database and file access – Preparing data for information retrieval
Reexamination Certificate
2008-04-18
2011-10-25
Coby, Frantz (Department: 2156)
Data processing: database and file management or data structures
Database and file access
Preparing data for information retrieval
C707S752000, C707S753000, C707S754000, C707S673000, C707S696000, C707S758000, C707S759000, C707S711000, C707S770000, C707S830000, C707S741000, C707S742000, C707S743000, C707S744000, C707S745000, C707S746000
Reexamination Certificate
active
08046361
ABSTRACT:
An improved system and method for classifying tags of content using a hyperlinked corpus of classified web pages is provided. An anchor text index may be searched to find anchor texts that may match text of the tag, documents referenced by the matching anchor texts may be found, and the documents referenced by the matching anchor texts may be grouped to disambiguate multiple classifications that result from matching the anchor texts with the categories of the reference documents. To resolve ambiguity between multiple classifications, weighted classifications may be used where each document may be assigned a positive weight for a mapping to a category to indicate the confidence of the classification of the document to the category. The classification for the grouping of the documents referenced by the matching anchor texts with greatest frequency may be selected and output as the classification for the tag.
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Overell Simon E.
Sigurbjörnsson Börkur
van Zwol Roelof
Buchenhorner Patent Law
Coby Frantz
Yahoo ! Inc.
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