VLDB
1991
ACM
14 years 2 months ago
1991
ACM
Most database interfaces provide poor guidance on ad hoc query formulation, burdening users to learn, and to recall precisely the query language and the database. Kaleidoscope avo...
VLDB
1991
ACM
14 years 2 months ago
1991
ACM
It is widely recognized that production rules in database systems can be used to automatically maintain derived data such as views. However, writing a correct set of rules for e ci...
VLDB
1991
ACM
14 years 2 months ago
1991
ACM
VLDB
1991
ACM
14 years 2 months ago
1991
ACM
: This paper describes a design methodology for an object oriented database,basedon a semantic network. This approach is based on the assumption that Yemanticdata models are more p...
VLDB
1991
ACM
14 years 2 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 ...
VLDB
1991
ACM
14 years 2 months ago
1991
ACM
VLDB
1991
ACM
14 years 2 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...
VLDB
1991
ACM
14 years 2 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 ...
VLDB
1991
ACM
14 years 2 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...
VLDB
1991
ACM
14 years 2 months ago
1991
ACM
This paper presentsa version model which handlesdatabaseschemachangesandwhich takesevolution into account. Its originality is in allowing the development of partial schema version...