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(1)2003−DBS−130  (14) 2003−FI− 71  (14) 2003/5/23. 社団法人 情報処理学会 研究報告 IPSJ SIG Technical Report.         .

(2)    & (NTT )* +,-!.'"/$0 #%'3-9-11 31 2547698;:;8=<=>;?=@5A9B7C5D3E;F;GIH=J;K=L7<IM=N7O5PRQTSUK=L=V;S$H;J=W;S$H JYX;Z\[Y]7^`_Yacbedgfihgj Web kY2;:\lgF7m`nYoYpq2YrY<5MYN\OgPiQ`s\F5S Query Network uIv=wq@;xzy;E|{;}q~;GI=€iQ‚;ƒq~;G|„U172|476=8=:=8 ODIN <IH=J7>=?;]3^ l5Fq^†D3m5?9j t;Query Network <5‡=ˆRQT‰Šh|‹;Œq^‚SŽ;<|v=w7|=‘7@9’=F;E|“;”qG3l;lI•9@5S—– <=˜q™qš‚›92=œqQ‚=ž9Ÿq~=G¡ =2|¢ŠQ‚£=¤q~9GI„\C'^I@|S Query Network ¥|¦9§q¨92I©q<9ª º 8;o'«q@=¬|­\’¡F=™7EUšT‹5»=®9¼'¯;~=°=GU±7„ <|X=Zil9h5EI²q³q^TD3G;–ql9QT“=”;S=<I´=µ;¶9J;·=¸il9hIE;<|¹ Web. A Method for Visualizing Web Search Histories Shin-ya SATO, Masanori HARADA and Kazuhiro KAZAMA NTT Network Innovation Laboratories 3-9-11 Midori-cho, Musashino-shi, Tokyo We propose a method for interpreting Web search histories into the graph structure called Query Network, which can be obtained by compiling relationships between users, queries and web pages in the histories. We describe structural characteristics of Query Networks based on some examples derived from logs of the ODIN search engine. We also introduce a tool for visualizing these networks. Furthermore, we claim that the Query Network can be thought of an outcome of implicit collaborations among users. Its potential for collaborative information discoveries is explored from this point of view.. 1. ½ ¾'¿ÁÀ. 5¥ Â9Ã7@;Ä5Å3];’5Æ=Ç=oÈbÊÉ=Ÿq@5Ë7Ì9Í5´ µqÎIp7Ï;Ð;Ñ;Ò9G5„–=<;Î|p7ÏYÐ;]q^†Ó=Ô7‹|´=µ Q†Õ=Ö=×iØTÙRÚ5Û;~9j;Ü=@;¥ISU´=µ=H;Jq<5Ý=Þ=· €q@Ißq³;E|S$à;Å3‹5´=µq<Iá;SâÆ;ÇqC|ã7ä=å=IÉ Web. Ÿ9è9S9é Cq^I@I´;µ7å9<5M;N3O5Pq‹7æI<I´;µ7<|o;çiQ h5j5ê=ë7Œ5ÓYÔ7Ñ;Ò=G5„ Web ìqª=í;8;?;¥; <9j;Ü;<5îq’;<;Ð;«;>92547Ñ;ÒqÚïS Web QTð=ñih ‘iQ‚ò7Û7h†SŽ5DiQ‚ó;ôŠh5EI´=µ7<5Õ9Ö75õ E|;QTöi ì7ª=í;8=?;¥IS|ð9ñ7<5ø9ù7ú7lI@ û 8Iü389m÷„  |Web ì3ª9í=8¡?ýS=v¡w=ì'ª=í¡8=?ýS9ó9ô=þ 1 −119−.

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(55) -è  z         ')( * +  à,-  | !} ˆ ·. " }/ y$0)#¼ %& Ë Ë c-Ë 1 Ëõxy& $!| }·2" 3Ó-Ô4}6-5 “ 2,8279  “ + “ à4à ,$: - Ë }úË û x-y × Ë : Ù à ô; < ¨>= õ ?@ Ë-õ | 2ê2}  -B 3e/± 4C  ¤ }A!D E ·" ¿!À + F à4G ,$H I- JË KÀË L. [4] S. I.. [5]. ,“ , 1965. ,. ,”. ,. ,“. —. ,” DEWS2003, 5-A-3, 2003.. [6]. ,. ,. ,“. ,” No. 4, pp. 58–69, 2000. [7]. ,. ,. , Vol. 17,. ,“. ,” , 2000-FI-57, pp. 135–142, 2000.. [8] P. Resnick, H. R. Varian, “Recommender Systems,” Communications of the ACM, Vol. 40 , No. 3, pp. 56–58, 1997. [9]. RM NS2OT P ¦Ê§ÊÆ ë2¨3© Hà Iª W ר Ù'ÚÛÜ(Õ!Ö Q U2V ,“. ,” 943–950, 1999.. , Vol. 14, No. 6, pp.. [10] N. Good, J. B. Schafer, J. A. Konstan, A. Borchers, B. M. Sarwar, J. L. Herlocker, J. Riedl, “Combining Collaborative Filtering with Personal Agents for Better Recommendations,” Proc of AAAI-99, pp. 439–446, 1999. [11]. Xgh Y2iZ[ \A l^k ]$m _ `2ab 3c d^«P¬ ·2}le n of p q ¦ §N¨3j © à ª!}t rst & } u v Ý u }ú û U2V Æ ëHI Š‹ W ,. ,. . ,” 276–284, 2002.. [1] R. Kosala, H. Blockeel, “Web Mining Research: A Survey,” SIGKDD Explorations, Vol. 2, No. 1, pp. 1–15, 2000. [2] B. Mobasher, R. Cooley, J. Srivastava, “Cre7 −125−. ,. , “Bookmark. ,. , Vol. 17, No. 3, pp..

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