Document retrieval device and document retrieval method

The invention provides a document retrieval device which comprises a hypergraph constructing unit and a document sorting unit. The hypergraph constructing unit is used for constructing hypergraphs according to documents in a target document collection so as to describe latent semantic information co...

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Bibliographic Details
Main Authors LI JIANQIANG, LIU BO, KOU YUBO, ZHAO YU
Format Patent
LanguageChinese
English
Published 06.02.2013
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:The invention provides a document retrieval device which comprises a hypergraph constructing unit and a document sorting unit. The hypergraph constructing unit is used for constructing hypergraphs according to documents in a target document collection so as to describe latent semantic information containing in the documents. The document sorting unit is used for retrieving in the target document collection according to specific inquiry on the basis of the hypergraphs constructed by the hypergraph constructing unit and sorting retrieval results. The invention further provides a document retrieval method. Document retrieval precision is improved, and actual retrieval needs of users can be better satisfied.
Bibliography:Application Number: CN20111218949