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» Imprecise Temporal Interval Relations
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SSD
2009
Springer
128views Database» more  SSD 2009»
14 years 5 days ago
TOQL: Temporal Ontology Querying Language
We introduce TOQL, a query language for querying time information in ontologies. TOQL is a high level query language that handles ontologies almost like relational databases. Queri...
Evdoxios Baratis, Euripides G. M. Petrakis, Sotiri...
ICDM
2008
IEEE
190views Data Mining» more  ICDM 2008»
14 years 2 months ago
Simultaneous Co-segmentation and Predictive Modeling for Large, Temporal Marketing Data
Several marketing problems involve prediction of customer purchase behavior and forecasting future preferences. We consider predictive modeling of large scale, bi-modal or multimo...
Meghana Deodhar, Joydeep Ghosh
ICDE
2002
IEEE
138views Database» more  ICDE 2002»
14 years 9 months ago
Efficient Temporal Join Processing Using Indices
We examine the problem of processing temporal joins in the presence of indexing schemes. Previous work on temporal joins has concentrated on non-indexed relations which were fully...
Donghui Zhang, Vassilis J. Tsotras, Bernhard Seege...
STACS
2010
Springer
14 years 2 months ago
The Recognition of Tolerance and Bounded Tolerance Graphs
Tolerance graphs model interval relations in such a way that intervals can tolerate a certain degree of overlap without being in conflict. This subclass of perfect graphs has bee...
George B. Mertzios, Ignasi Sau, Shmuel Zaks
SEMWEB
2009
Springer
14 years 2 months ago
Semantically Enabled Temporal Reasoning in a Virtual Observatory
The Virtual Solar-Terrestrial Observatory (VSTO) is a distributed, scalable education and research environment for searching, integrating, and analyzing observational, experimental...
Patrick West, Eric Rozell, Stephan Zednik, Peter F...