| 摘要 |
PROBLEM TO BE SOLVED: To improve the accuracy in recognition by recognition post-processing by reflecting a result of language analysis to a result of recognition processing, on recognition processing thereafter. SOLUTION: An effective word vector calculating means 303 calculates an effective word vector of an effective word extracted by an effective word extracting means 308. A document vector calculating means 304 calculates a document vector from the effective word vector of a document for learning, and calculates the document vector of a classified document. A holder vector calculating means 305 calculates a holder vector on the document for learning belonging to each category. A category estimating means 307 compares the document vector of the document data held in a classified document holding part 306 with the holder vector and determines the classification category of the classified document. A learning means 311 corrects a level of importance of an evaluation item table 310 in concert with the modification when a user makes the modification in the category determined by the category estimating means 307. COPYRIGHT: (C)2006,JPO&NCIPI
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