An Indexing Scheme in Distributed Object-Oriented Databases. - Albert Vreto; Kazuhiro Ogura; Tatsuo Tsuji; Teruhisa Hochin (Parallel and Distributed Computing and Systems, 1995)

Index Splitting for Complex Objects in Parallel Environments. - Kazuhiro Ogura; Tatsuo Tsuji; Teruhisa Hochin (CODAS, 1996)

Index splitting for complex objects in parallel environments. - Kazuhiro Ogura; Tatsuo Tsuji; Albert Vreto; Teruhisa Hochin (Syst. Comput. Jpn., 1997)

Parallel Retrieval of Complex Object Index for Complex Queries. - Takeshi Horie; Kazuhiro Ogura; Tatsuo Tsuji; Ken Higuchi; Teruhisa Hochin (CATA, 2003)