The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 08, 2009
Filed:
Dec. 12, 2005
Daigo Sugihara, Kanagawa, JP;
Hiroshi Masuichi, Ashigarakami-gun, JP;
Tomoko Ohkuma, Ashigarakami-gun, JP;
Hiroki Yoshimura, Kanagawa, JP;
Daigo Sugihara, Kanagawa, JP;
Hiroshi Masuichi, Ashigarakami-gun, JP;
Tomoko Ohkuma, Ashigarakami-gun, JP;
Hiroki Yoshimura, Kanagawa, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
A question answering system includes a question input unit input to a question, a search unit, an anaphoric analysis unit, an information extraction unit and an answer candidate extraction unit. The search unit executes search processing based on the input question. The anaphoric analysis unit executes anaphoric analysis processing on a search result. The information extraction unit extracts sentences, which include expressions having a reference relation therebetween, as reference relation sentences, the reference relation determined by finding relation in an expressions of at least one of a noun phrase, a pronoun, and a zero pronoun between sentences in the search result on a basis of a result of the anaphoric analysis; selects a first candidate sentence from a passage obtained as the search result; and selects a second candidate sentence, which is the reference relation sentence of the first candidate sentence. The answer candidate extraction unit extracts an answer candidate.