ConferenceIssue Date2004Citation8th Pacific Rim International Conference on Artificial Intelligence, PRICAI 2004: Trends in Artificial Intelligence, v.3157, pp.919 - 927PublisherSPRINGER-VERLAG BERLINPlaceAuckland
ConferenceIssue Date2005Citation9th Congress of the Italian Association for Artificial Intelligence - AI/IA 2005: Advances in Artificial Intelligence, v.3673, pp.547 - 552PublisherSPRINGER-VERLAG BERLINISBN3540290419PlaceMilan
ArticleIssue Date2009CitationIEICE TRANSACTIONS ON INFORMATION AND SYSTEMS, v.E92D, no.2, pp.349 - 352PublisherIEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG