573 search results - page 49 / 115 » Temporal Views as Abstract Relations |
ER
1994
Springer
13 years 12 months ago
1994
Springer
Abstract. As information systems are increasingly being called upon to play vital roles in organizations, conceptual modelling techniques need to be extended to relate information ...
ER
2006
Springer
13 years 11 months ago
2006
Springer
Abstract. One of the most severe problems related to database evolution is how to reflect in the data level the changes that have occurred in the conceptual schema of a database. T...
ESAW
2000
Springer
13 years 11 months ago
2000
Springer
While agents have emphasised the notion of active software components, they are not likely to be the only active components in agent-based systems. In this paper, we first discuss ...
MOBIDE
2006
ACM
14 years 1 months ago
2006
ACM
Composition of temporal and spatial properties of real world objects in a unified data framework results into Moving Object Databases (MOD). MODs are able to process, manage and a...
HICSS
2005
IEEE
14 years 1 months ago
2005
IEEE
With the increasing complexity of information systems, it is becoming increasingly unclear as to how information system behaviors relate to stated requirements. Although requireme...