| 摘要 |
PROBLEM TO BE SOLVED: To provide a method and a device for filtering document, with which the selection of an unsuited document can be avoided by generating an unsuited profile expressing the features of the erroneously selected unsuited document, and not selecting the document of high similarity to the unsuited profile. SOLUTION: Similarity SimR between a suited profile qR and a retrieval object document (d) is calculated (step S11), this similarity SimR is compared with a threshold ThresR and when SimR is greater than ThresR, similarity SimN between an unsuited profile qN and the retrieval object document (d) is calculated (step S15). When SimN is greater than ThresN, the retrieval object document is regarded as an unsuited document and excluded. When SimN is smaller, this document is regarded as a suited document and selected, suited feedback is provided and qR and qN are updated (step S21).
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