Cardinality consistency of derived objects in DOOD systems
Deductive object oriented database languages are faced with the problem of dealing with the new concepts of the object...
Specifying business processes over objects
The focus of this paper is on the modeling of application and business processes in Cooperative Information Systems. Such...
Conceptual modelling and manipulation of temporal databases
The overall aim of this paper is to briefly introduce our approach to temporal data modelling described as the...
Deriving complex structured object types for business process modelling
To build efficient information systems it is important to understand and to optimize the business processes which should be...
Process repositories: Principles and experiences
Creative, ill-structured processes such as requirements engineering, industrial research, or design of new products share a number of properties...
Handling change management using temporal active repositories
Business Re-engineering requires frequent changes in the enterprises' information systems, however the current technology of data dictionaries is not...
A graphical query language for temporal databases
This paper addresses the issue of visual query formulation for temporal databases. We introduce a number of visual constructs...
Managing object identity in federated database systems
The federation of heterogeneous data management systems is still a challenge for the database system research. A main topic...
Management of inconsistent information in federated systems
Lack of global consistency control mechanisms, replication of data and uncontrolled transfer of information among the database servers of...
Resolving structural conflicts in the integration of Entity-Relationship schemas
Schema integration is essential to define a global schema that describes all the data in existing databases participating in...
