7467 search results - page 1266 / 1494 » Incompleteness in information integration |
168
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VLDB
1998
ACM
15 years 11 months ago
1998
ACM
Numerous applications such as stock market or medical information systems require that both historical and current data be logically integrated into a temporal database. The under...
172
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VISUALIZATION
1997
IEEE
15 years 11 months ago
1997
IEEE
We introduce the contour spectrum, a user interface component that improves qualitative user interaction and provides real-time exact quanti cation in the visualization of isocont...
166
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VISUALIZATION
1997
IEEE
15 years 11 months ago
1997
IEEE
Different techniques have been proposed for rendering volumetric scalar data sets. Usually these approaches are focusing on orthogonal cartesian grids, but in the last years resea...
180
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PODS
1997
ACM
15 years 11 months ago
1997
ACM
We consider the problem of answering datalog queries using materialized views. The ability to answer queries using views is crucial in the context of information integration. Prev...
170
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SIGMOD
1997
ACM
15 years 10 months ago
1997
ACM
MDM is a tool that enables the users to de ne schemes of di erent data models and to perform translations of schemes from one model to another. These functionalities can be at the...