Querying Multiple Perspective Video by Camera Metaphor. - Toshihiko Hata; Tatsuo Hirose; Yoshihiro Nakanishi; Katsumi Tanaka (DASFAA, 2001)

Modeling and Structuring Multiple Perspective Video for Browsing. - Yoshihiro Nakanishi; Tatsuo Hirose; Katsumi Tanaka (ER, 2001)

Querying Video Data by Spatio-Temporal Relationships of Moving Object Traces. - Chikashi Yajima; Yoshihiro Nakanishi; Katsumi Tanaka (VDB, 2002)