Keyword extraction apparatus and keyword extraction program
First Claim
1. A keyword extraction apparatus for performing processing of extracting a keyword that characterizes a collection of pieces of access history information with respect to documents, said apparatus comprising:
- a keyword acquisition part that acquires a plurality of keywords from among said pieces of access history information constituting said collection;
a weighting part that weights said plurality of keywords acquired based on prescribed rule information; and
a specific keyword extraction part that extracts a specific keyword from among said plurality of keywords acquired based on the weights assigned to said plurality of keywords, respectively, in said weighting part.
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Abstract
An appropriate keyword to characterize a collection of pieces of access history information is extracted without depending on the contents of documents related to the collection. In a keyword extraction apparatus for performing processing of extracting a keyword that characterizes a collection of pieces of access history information with respect to documents, the apparatus includes a keyword acquisition part that acquires a plurality of keywords from among the pieces of access history information constituting the collection, a weighting part that weights the plurality of keywords acquired based on prescribed rule information, and a specific keyword extraction part that extracts a specific keyword from among the plurality of keywords acquired based on the weights assigned to the plurality of keywords, respectively, in the weighting part.
17 Citations
14 Claims
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1. A keyword extraction apparatus for performing processing of extracting a keyword that characterizes a collection of pieces of access history information with respect to documents, said apparatus comprising:
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a keyword acquisition part that acquires a plurality of keywords from among said pieces of access history information constituting said collection;
a weighting part that weights said plurality of keywords acquired based on prescribed rule information; and
a specific keyword extraction part that extracts a specific keyword from among said plurality of keywords acquired based on the weights assigned to said plurality of keywords, respectively, in said weighting part. - View Dependent Claims (2)
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3. A keyword extraction program for making a computer execute processing of extracting a keyword that characterizes a collection of pieces of access history information with respect to documents, said program adapted to make said computer execute:
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a keyword acquisition step of acquiring a plurality of keywords from among said pieces of access history information constituting said collection;
a weighting step of weighting said plurality of keywords acquired based on prescribed rule information; and
a specific keyword extraction step of extracting a specific keyword from among said plurality of keywords acquired based on the weights assigned to said plurality of keywords, respectively, in said weighting step. - View Dependent Claims (4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification