219 search results - page 15 / 44 » Introduction to Logics for Databases and Information Systems |
94
Voted
SAC
2009
ACM
15 years 2 months ago
2009
ACM
Information systems often require combining datasets available in different formats, and geographical information systems are no exception. While semantic technologies have been u...
DEXAW
2009
IEEE
15 years 4 months ago
2009
IEEE
One of the main limitations in using ontologies in modern information systems is due to the fact that the design and maintenance of ontologies is a complex activity that requires ...
142
Voted
GIS
2006
ACM
15 years 10 months ago
2006
ACM
In the real world, lots of objects with changing position can be found. Some of them repeat the same movement several times, called periodic movements. Examples include airplanes,...
DAGSTUHL
1998
14 years 11 months ago
1998
Abstract. During the last years, a number of formal specification languages for knowledge-based systems have been developed. Characteristic for knowledge-based systems are a comple...
EDBT
2002
ACM
15 years 9 months ago
2002
ACM
The handling of user preferences is becoming an increasingly important issue in present-day information systems. Among others, preferences are used for information filtering and ex...