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ICDE
2000
IEEE
116views Database» more  ICDE 2000»
14 years 9 months ago
Query Plans for Conventional and Temporal Queries Involving Duplicates and Ordering
Most real-world database applications contain a substantial portion of time-referenced, or temporal, data. Recent advances in temporal query languages show that such database appl...
Giedrius Slivinskas, Christian S. Jensen, Richard ...
ER
2008
Springer
102views Database» more  ER 2008»
13 years 8 months ago
On Temporal Cardinality in the Context of the TOWL Language
The TOWL language is a temporal ontology language built on top of OWL-DL that enables descriptions involving time and temporal aspects such as change and state transitions. Extendi...
Viorel Milea, Michael Mrissa, Kees van der Sluijs,...
VLDB
1992
ACM
112views Database» more  VLDB 1992»
13 years 11 months ago
Incomplete Information in Relational Temporal Databases
For the conventional relational model there has been considerable research in the area of incomplete information. On the other hand, research in temporal databases has concentrated...
Shashi K. Gadia, Sunil S. Nair, Yiu-Cheong Poon
ER
1998
Springer
115views Database» more  ER 1998»
13 years 12 months ago
Temporal Objects for Spatio-Temporal Data Models and a Comparison of Their Representations
Abstract: Currently, there are strong efforts to integrate spatial and temporal database technology into spatio-temporal database systems. This paper views the topic from a rather ...
Martin Erwig, Markus Schneider, Ralf Hartmut G&uum...
FQAS
2006
Springer
120views Database» more  FQAS 2006»
13 years 11 months ago
Question Answering with Imperfect Temporal Information
Abstract. A temporal question answering system must be able to deduce which qualitative temporal relation holds between two events, a reasoning task that is complicated by the fact...
Steven Schockaert, David Ahn, Martine De Cock, Eti...