3268 search results - page 443 / 654 » Database Technologies for RDF |
163
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CIKM
1997
Springer
15 years 10 months ago
1997
Springer
Terrain-aided navigation is a database application in which an aeroplane locates itself by matching the height trajectory with a terrain-elevation map on board the aircraft. Witho...
176
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ACSE
1996
ACM
15 years 10 months ago
1996
ACM
VIENA Classroom is a collaborative hypermedia education system which is a component of the Virtual Interactive Environment for Workgroups (VIEW), a collaborative environment based...
142
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SIGIR
1996
ACM
15 years 10 months ago
1996
ACM
We present a deductive data model for concept-based query expansion. It is based abstraction levels: the conceptual, the expression and the occurrence level. Concepts and their re...
146
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OOIS
1997
Springer
15 years 10 months ago
1997
Springer
Viewpoints are re ections of software systems from multiple perspectives. A number of consistency conditions apply to viewpoints and developers require a tool for each type of vie...
203
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EWDW
1994
15 years 10 months ago
1994
For object-oriented databases we propose a new technique for optimizing queries containing method invocations. This technique is based on the definition of inverse methods and que...