Searching a document using relevance feedback
First Claim
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1. A document search apparatus, comprising:
- a search request input to input a search request including a keyword set;
a user interface to cause a display to display an initial search result to a user, the initial search result comprising a first retrieved document set retrieved from a plurality of documents stored in a document database using the keyword set of the search result;
an extension word extractor to extract an extension word set from a seed document set, the seed document set being selected by the user from the first retrieved document set of the initial search result; and
a database manager to search through the plurality of documents stored in the document database for a second retrieved document set using the keyword set of the search request and the extension word set.
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Abstract
When a search request is input, an initial search result that matches the search request is displayed to a user. When a seed document set is selected by the user from the initial search result, an extension word set is extracted from the seed document set. Using the extension word set in addition to the search request, another search is performed.
26 Citations
20 Claims
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1. A document search apparatus, comprising:
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a search request input to input a search request including a keyword set; a user interface to cause a display to display an initial search result to a user, the initial search result comprising a first retrieved document set retrieved from a plurality of documents stored in a document database using the keyword set of the search result; an extension word extractor to extract an extension word set from a seed document set, the seed document set being selected by the user from the first retrieved document set of the initial search result; and a database manager to search through the plurality of documents stored in the document database for a second retrieved document set using the keyword set of the search request and the extension word set. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for searching a document, the method comprising:
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inputting a search request including a keyword set; searching through a plurality of documents stored in a document database for one or more first retrieved documents that match the keyword set of the search request to obtain an initial search result, the initial search result comprising a document identifier, a relevance value, and at least one attribute value for each one of the one or more first retrieved documents; displaying the initial search result to a user; selecting one or more seed documents as a seed document set from the one or more first retrieved documents according to a user instruction performed on the initial search result being displayed; extracting an extension word set from the seed document set; and searching through the plurality of documents stored in the document database for one or more second retrieved documents that match the keyword set of the search request and the extension word set. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. A computer readable medium storing computer instructions for performing a method for searching a document, the method comprising:
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inputting a search request including a keyword set; searching through a plurality of documents stored in a document database for one or more first retrieved documents that match the keyword set of the search request to obtain an initial search result, the initial search result comprising a document identifier, a relevance value, and at least one attribute value for each one of the one or more first retrieved documents; displaying the initial search result to a user; selecting one or more seed documents as a seed document set from the one or more first retrieved documents according to a user instruction performed on the initial search result being displayed; extracting an extension word set from the seed document set; and searching through the plurality of documents stored in the document database for one or more second retrieved documents that match the keyword set of the search request and the extension word set. - View Dependent Claims (20)
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Specification