invited session at 1992 Fall ORSA/TIMS Meeting, 1992-11-01
Proc. International Conference on Information Systems, 1991-12-01
한국경영과학회 1991년 추계학술대회, 1991-09-01
Proc. 9th International Conference on Entity-Relationship Approach, 1990-10-01
Proc. 4th IFIP Conference on Object-Oriented Databases, 1990-04-01
Proc. IEEE International Conference on Data Engineering, 1989-02-01
International Joint Conference on Computer & Industrial Engineering and IEMS
International Joint Conference on Computer & Industrial Engineering and IEMS