TECHNIQUES FOR KEYWORD EXTRACTION FROM URLS USING STATISTICAL ANALYSIS
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United States of America Patent
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Issued Date -
Apr 2, 2009
app pub date -
Nov 8, 2007
filing date -
Sep 27, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Techniques are described for keyword extraction from URLs using regular expression patterns and keyword ranking. Tokenization of URLs also generates regular expressions of URLs from a website. The regular expressions are stored in the form of any type of indexing structure. When a new URL is received, the URL is examined to determine whether the URL is from a website that has previously been tokenized. If the URL is not from such a website, then the URL is tokenized using every delimiter and unit change to extract keywords. If the URL is from a website previously processed, the corresponding regular expression is used to extract keywords from the URL. The keywords extracted from the URLs are then ranked based on any ranking methodology for better relevance and performance.
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