Mining of Topographic Feature from Heterogeneous Imagery and Its Application to Lunar Craters. - Rie Honda; Yuichi Iijima; Osamu Konishi (Progress in Discovery Science, 2002)

Skyline queries based on user locations and preferences for making location-based recommendations. - Kazuki Kodama; Yuichi Iijima; Xi Guo 001; Yoshiharu Ishikawa (GIS-LBSN, 2009)

Spatial Range Querying for Gaussian-Based Imprecise Query Objects. - Yoshiharu Ishikawa; Yuichi Iijima; Jeffrey Xu Yu (ICDE, 2009)

Finding Probabilistic Nearest Neighbors for Query Objects with Imprecise Locations. - Yuichi Iijima; Yoshiharu Ishikawa (Mobile Data Management, 2009)