LECTURE NOTES IN COMPUTER SCIENCE, vol. 5459/2009, page. 201 - 212, 2009-03
LECTURE NOTES IN COMPUTER SCIENCE, vol. 5459/2009, page. 225 - 235, 2009-03
INFORMATION PROCESSING & MANAGEMENT, vol. 45, no. 1, page. 84 - 97, 2009-01
ACM SIGIR 2008 - 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Proceedings, page. 821 - 822, 2008-07
LECTURE NOTES IN COMPUTER SCIENCE, vol. 4993, page. 626 - 631, 2008-01
LECTURE NOTES IN COMPUTER SCIENCE, vol. 4993, page. 22 - 23, 2008-01
LECTURE NOTES IN COMPUTER SCIENCE, vol. 4956, page. 382 - 393, 2008-01
LECTURE NOTES IN COMPUTER SCIENCE, vol. 4956, page. 684 - 688, 2008-01
LECTURE NOTES IN COMPUTER SCIENCE, vol. 4956, page. 674 - 678, 2008-01
LECTURE NOTES IN COMPUTER SCIENCE, vol. 4956, page. 658 - 662, 2008-01
INFORMATION PROCESSING & MANAGEMENT, vol. 43, no. 5, page. 1173 - 1182, 2007-09
INFORMATION PROCESSING & MANAGEMENT, vol. 43, no. 4, page. 887 - 901, 2007-07
INFORMATION PROCESSING & MANAGEMENT, vol. 43, no. 2, page. 302 - 314, 2007-03
INFORMATION PROCESSING & MANAGEMENT, vol. 43, no. 1, page. 121 - 145, 2007-01
LECTURE NOTES IN ARTIFICIAL INTELLIGENCE (ICCPOL2006), vol. 4285, page. 268 - 276, 2006-12
LECTURE NOTES IN ARTIFICIAL INTELLIGENCE (ICCPOL2006), vol. 4285, page. 205 - 212, 2006-12
INFORMATION RETRIEVAL, vol. 9, no. 5, page. 613 - 631, 2006-11
IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS, vol. E89-D, no. 10, page. 2670 - 2677, 2006-10
IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS, vol. E89-D, no. 2, page. 837 - 846, 2006-02
IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS, vol. E88-D, no. 7, page. 1724 - 1736, 2005-07