EWDW
1990
14 years 3 months ago
1990
The formal description of the semantics of object-oriented data models is still an open problem. Some characteristic features of object-oriented data models, such as methods and i...
DBPL
1989
Springer
14 years 3 months ago
1989
Springer
In the process of developing an Information System, one passes through stages that include requirements gathering, design specification, and software implementation. The purpose ...
ISKI
1992
14 years 3 months ago
1992
ISKI
1992
14 years 3 months ago
1992
One of the objectives of ooDBMSs is to use type-speci c methods for manipulating objects, in order to maintain the consistency of the database. This is, however, little help for t...
ISKI
1994
14 years 4 months ago
1994
There is a manifold of meanings we could associate with the term \evolution" in the database arena. This paper tries to categorize some of these into a unique framework, showi...
ISKI
1994
14 years 4 months ago
1994
ISKI
1994
14 years 4 months ago
1994
This paper aims at integrating techniques of non-monotonic reasoning about updates and of object-oriented specification of information systems. We present how to utilize defaults i...
IFIP
1994
Springer
14 years 4 months ago
1994
Springer
Business rules are an important element of information systems. The notion business rule encompasses different phenomena; therefore, some classification criteria are presented and...
EWDW
1994
14 years 4 months ago
1994
For object-oriented databases we propose a new technique for optimizing queries containing method invocations. This technique is based on the definition of inverse methods and que...
CISMOD
1993
14 years 4 months ago
1993