134
click to vote
VLDB
1991
ACM
15 years 8 months ago
1991
ACM
The development of a distributed database systemrequires effective solutions to many complex and interrelated design problems. The cost dependenciesbetween query optimization and ...
131
click to vote
VLDB
1991
ACM
15 years 8 months ago
1991
ACM
We explore the implications of supporting bags (i.e. multisets) in a data model and associated query language, and present some formal results concerned with the algebraic propert...
115
click to vote
VLDB
1991
ACM
15 years 8 months ago
1991
ACM
We present a priority system which is particularly suited for production rules coupled to databases. In this system, there are default priorities between all rules and overriding ...
160
click to vote
VLDB
1991
ACM
15 years 8 months ago
1991
ACM
Object-oriented data models are receiving wide attention since they provide expressive ionmechanismsto model naturally and directly both structural and behavioral aspectsof comple...