by Kiyoki, Yasushi | ProQuest (Firm).
by European-Japanese Conference on Information Modelling and Knowledge Bases (17th : 2007 : Pori, Finland) | Jaakkola, Hannu | Kiyoki, Yasushi | Tokuda, Takahiro | ProQuest (Firm).
by European-Japanese Conference on Information Modelling and Knowledge Bases (18th : 2008) | Kiyoki, Yasushi | ProQuest (Firm).