%A FUJII, Atsushi %A IWAYAMA, Makoto %A KANDO, Noriko %T Building a Test Collection for Associative Patent Retrieval in NTCIR-4 %J IPSJ SIG Notes %0 Journal Article %@ 09196072 %I Information Processing Society of Japan (IPSJ) %D 2004 %8 2004-01-13 %V 2004 %N 1 %P 45-52 %U http://ci.nii.ac.jp/naid/110002911664/en/ %R