Sciweavers

720 search results - page 6 / 144
» Temporality in Databases
Sort
View
ER
1995
Springer
120views Database» more  ER 1995»
14 years 3 days ago
Semantics of Time-Varying Attributes and their Use for Temporal Database Design
Based on a systematic study of the semantics of temporal attributes of entities, this paper provides new guidelines for the design of temporal relational databases. The notions of ...
Christian S. Jensen, Richard T. Snodgrass
DEDUCTIVE
1996
105views Database» more  DEDUCTIVE 1996»
13 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
IC
2007
13 years 10 months ago
Native Temporal Slicing Support for XML Databases
Abstract XML databases, providing structural querying support, are becoming more and more popular. As we know, XML data may change over time and providing an efficient support to q...
Federica Mandreoli, Riccardo Martoglia, Enrico Ron...
FQAS
2006
Springer
109views Database» more  FQAS 2006»
14 years 6 days ago
Towards a Flexible Visualization Tool for Dealing with Temporal Data
Time plays an important role in our everyday's life. For a lot of observations we make and actions we perform, temporal information is relevant. The importance of time is refl...
Guy De Tré, Nico Van de Weghe, Rita M. M. D...
DEXAW
2004
IEEE
118views Database» more  DEXAW 2004»
14 years 8 days ago
LITO - A Logic For Indeterminate Temporal Objects
In order to obtain a suitable model of the universe of discourse of some information systems, it is important to allow the description of imprecise objects with temporal indetermi...
Ed Porto Bezerra, Ulrich Schiel, Bernardo Lula Jr.