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» Querying contract databases based on temporal behavior
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VL
1999
IEEE
112views Visual Languages» more  VL 1999»
15 years 1 months ago
Visual Specification of Spatio-Temporal Developments
In this paper we propose a visual interface for the specification of predicates to be used in queries on spatio-temporal databases. The approach is based on a visual specification...
Martin Erwig, Markus Schneider
ICDE
2007
IEEE
89views Database» more  ICDE 2007»
15 years 1 months ago
A Flexible Query Graph Based Model for the Efficient Execution of Continuous Queries
In this paper, we propose a simple and flexible execution model that (i) supports a wide spectrum of alternative optimization and execution strategies and their mixtures, (ii) pro...
Yijian Bai, Hetal Thakkar, Haixun Wang, Carlo Zani...
DEDUCTIVE
1996
105views Database» more  DEDUCTIVE 1996»
14 years 10 months ago
Stable Semantics of Temporal Deductive Databases
We de ne a preferential semantics based on stable generated models for a very general class of temporal deductive databases. We allow two kinds of temporal information to be repre...
Heinrich Herre, Gerd Wagner
ICDE
1998
IEEE
70views Database» more  ICDE 1998»
15 years 10 months ago
Point-Versus Interval-Based Temporal Data Models
The association of timestamps with various data items such as tuples or attribute values is fundamental to the management of time-varying information. Using intervals in timestamp...
Michael H. Böhlen, Renato Busatto, Christian ...
DEXAW
1999
IEEE
103views Database» more  DEXAW 1999»
15 years 1 months ago
Applying Temporal Databases to Geographical Data Analysis
This paper reports an experience in which a temporal database was used to analyze the results of a survey on human behaviors and displacements in a ski resort. This survey was par...
Marie-Christine Fauvet, S. Chardonnel, Marlon Duma...