Document information search apparatus and method and recording medium storing document information search program therein
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Abstract
An apparatus for searching document information in response to a search request from a client is disclosed. When a document file is designated as a search condition by a search condition designating unit of the client, the unit causes contents of the designated file to be transmitted via a network. A document search unit of a search machine forms a keyword based on the file contents transmitted from the search condition designating unit, and searches similar documents from an index or selection of important words extracted from search target documents provided in a search database.
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Citations
16 Claims
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1-9. -9. (canceled)
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10. A document information search apparatus comprising:
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a database in which index information describing a list of important words extracted from search target documents has been stored every document;
a text extraction processing unit which extracts a text document from contents of a file received in response to a search request from a network in which a document file has been designated as a search condition;
a morpheme analyzing unit which extracts nouns by a morpheme analysis of said text document;
a keyword forming unit which extracts important words from said nouns and forms a keyword in which said important words are coupled by OR; and
a search executing unit which searches similar documents by searching said database by said keyword and notifies a requesting source of a search result. - View Dependent Claims (11, 12)
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13. A document information search method of searching document information on the basis of a search request transmitted via a network and responding, comprising the steps of:
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storing index information describing a list of important words extracted from search target documents every document into a database;
in the case where a file is designated as a search condition on a search requesting source, transmitting contents of the designated file to a server together with the search request through the network; and
on a search side, extracting a text document from the file contents received in response to the search request, extracting nouns by a morpheme analysis of said text document, extracting important words from said nouns, forming a keyword in which said important words are coupled by OR, searching similar documents by searching said database by said keyword, and responding a search result. - View Dependent Claims (14, 15)
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16-18. -18. (canceled)
Specification