Cooperative Query Formulation for Geographic Databases. - Masatoshi Arikawa; Ken'ichi Horikawa; Yahiko Kambayashi (IEICE Trans. Inf. Syst., 1995)

Dynamic Map Synthesis Utilizing Extended Thesauruses and Reuse of Query Generation Process. - Ken'ichi Horikawa; Masatoshi Arikawa; Hiroki Takakura; Yahiko Kambayashi (ACM-GIS, 1997)