Hypermedia navigation and content-based retrieval for distributed multimedia databases. - Yoshinori Hara; Kyoji Hirata; Hajime Takano; Shigehito Kawasaki (NEC Research Symposium on Multimedia Computing, 1995)

Content-oriented Integration in Hypermedia System. - Kyoji Hirata; Yoshinori Hara; Hajime Takano; Shigehito Kawasaki (Hypertext, 1996)

Hypermedia Database "Himotoki" and Its Applications. - Yoshinori Hara; Kyoji Hirata; Hajime Takano; Shigehito Kawasaki (ICDE, 1996)