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QUESTION AND ANSWER SYSTEM WHICH CAN PROVIDE DESCRIPTIVE ANSWER USING WWW AS SOURCE OF INFORMATION コモンズ

外国特許コード F110002378
整理番号 YNU07070B
掲載日 2011年1月17日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2009JP054425
国際公開番号 WO 2009/113494
国際出願日 平成21年3月9日(2009.3.9)
国際公開日 平成21年9月17日(2009.9.17)
優先権データ
  • 特願2008-060292 (2008.3.10) JP
発明の名称 (英語) QUESTION AND ANSWER SYSTEM WHICH CAN PROVIDE DESCRIPTIVE ANSWER USING WWW AS SOURCE OF INFORMATION コモンズ
発明の概要(英語) Provided is a technology to receive a question expressed by ordinary words, extract candidate answers for the question from among the documents on the WWW, and provide the answers to the user, which reflects formal correlations between questions and answers. A query sentence (1001) is converted into strings of words (1002) for formalizing the query sentence by conducting formalization processing wherein functional words, interrogative words, or predetermined words such as "reasons", "meanings", etc. which tend to be asked are converted into surface expressions and the other content words are converted into word class types. From among the strings of words (1002), key parts (1003) for a query sentence format, each consisting of an interrogative word and a predetermined number of strings of words before and after the interrogative word are extracted. Reference query sentences in question and answer samples are converted in like manner. Then, the aptitude of the format is judged from a degree of similarity of key parts (1004) for a reference query sentence format. Furthermore, reference answer sentences in the question and answer samples are also formalized and a degree of formal correlation with the query sentence is determined.
  • 出願人(英語)
  • ※2012年7月以前掲載分については米国以外のすべての指定国
  • NATIONAL UNIVERSITY CORPORATION YOKOHAMA NATIONAL UNIVERSITY
  • 発明者(英語)
  • MORI, Tatsunori
  • SATO, Mitsuru
  • ISHIOROSHI, Madoka
国際特許分類(IPC)
指定国 AE(UTILITY MODEL),AG,AL(UTILITY MODEL),AM(PROVISIONAL PATENT)(UTILITY MODEL),AO(UTILITY MODEL),AT(UTILITY MODEL),AU,AZ(UTILITY MODEL),BA,BB,BG(UTILITY MODEL),BH(UTILITY MODEL),BR(UTILITY MODEL),BW(UTILITY MODEL),BY(UTILITY MODEL),BZ(UTILITY MODEL),CA,CH,CN(UTILITY MODEL),CO(UTILITY MODEL),CR(UTILITY MODEL),CU(INVENTOR'S CERTIFICATE),CZ(UTILITY MODEL),DE(UTILITY MODEL),DK(UTILITY MODEL),DM(UTILITY MODEL),DO(UTILITY MODEL),DZ,EC(UTILITY MODEL),EE(UTILITY MODEL),EG(UTILITY MODEL),ES(UTILITY MODEL),FI(UTILITY MODEL),GB,GD,GE(UTILITY MODEL),GH(UTILITY CERTIFICATE),GM,GT(UTILITY MODEL),HN,HR(CONSENSUAL PATENT),HU(UTILITY MODEL),ID,IL,IN,IS,JP(UTILITY MODEL),KE(UTILITY MODEL),KG(UTILITY MODEL),KM,KN,KP(INVENTOR'S CERTIFICATE)(UTILITY MODEL),KR(UTILITY MODEL),KZ(PROVISIONAL PATENT)(UTILITY MODEL),LA,LC,LK,LR,LS(UTILITY MODEL),LT,LU,LY,MA,MD(UTILITY MODEL),ME,MG,MK,MN,MW,MX(UTILITY MODEL),MY(UTILITY-INNOVATION),MZ(UTILITY MODEL),NA,NG,NI(UTILITY MODEL),NO,NZ,OM(UTILITY MODEL),PG,PH(UTILITY MODEL),PL(UTILITY MODEL),PT(UTILITY MODEL),RO,RS(PETTY PATENT),RU(UTILITY MODEL),SC,SD,SE,SG,SK(UTILITY MODEL),SL(UTILITY MODEL),SM,ST,SV(UTILITY MODEL),SY,TJ(UTILITY MODEL),TM(PROVISIONAL PATENT),TN,TR(UTILITY MODEL),TT(UTILITY CERTIFICATE),TZ,UA(UTILITY MODEL),UG(UTILITY CERTIFICATE),US,UZ(UTILITY MODEL),VC(UTILITY CERTIFICATE),VN(PATENT FOR UTILITY SOLUTION),ZA,ZM,ZW,EP(AT,BE,BG,CH,CY,CZ,DE,DK,EE,ES,FI,FR,GB,GR,HR,HU,IE,IS,IT,LT,LU,LV,MC,MK,MT,NL,NO,PL,PT,RO,SE,SI,SK,TR),OA(BF(UTILITY MODEL),BJ(UTILITY MODEL),CF(UTILITY MODEL),CG(UTILITY MODEL),CI(UTILITY MODEL),CM(UTILITY MODEL),GA(UTILITY MODEL),GN(UTILITY MODEL),GQ(UTILITY MODEL),GW(UTILITY MODEL),ML(UTILITY MODEL),MR(UTILITY MODEL),NE(UTILITY MODEL),SN(UTILITY MODEL),TD(UTILITY MODEL),TG(UTILITY MODEL)),AP(BW(UTILITY MODEL),GH(UTILITY MODEL),GM(UTILITY MODEL),KE(UTILITY MODEL),LS(UTILITY MODEL),MW(UTILITY MODEL),MZ(UTILITY MODEL),NA(UTILITY MODEL),SD(UTILITY MODEL),SL(UTILITY MODEL),SZ(UTILITY MODEL),TZ(UTILITY MODEL),UG(UTILITY MODEL),ZM(UTILITY MODEL),ZW(UTILITY MODEL)),EA(AM,AZ,BY,KG,KZ,MD,RU,TJ,TM)
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