Support for Versions of VLSI CAD Objects

Version modeling concepts for computer-aided design databases

SIGMOD '86 Proceedings of the 1986 ACM SIGMOD international conference on Management of data

Exploiting inheritance and structure semantics for effective clustering and buffering in an object-oriented DBMS

SIGMOD '89 Proceedings of the 1989 ACM SIGMOD international conference on Management of data

Managing Change in a Computer-Aided Design Database

VLDB '87 Proceedings of the 13th International Conference on Very Large Data Bases