501 search results - page 10 / 101 » Simplification of Integrity Constraints for Data Integration |
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PVLDB
2010
14 years 7 months ago
2010
Supporting legacy applications when the database schema evolves represents a long-standing challenge of practical and theoretical importance. Recent work has produced algorithms a...
DAWAK
2009
Springer
15 years 2 months ago
2009
Springer
Frequent constraint violations on the data stored in a database may suggest that the semantics of the represented reality is changing. In this work we propose a methodology and a t...
IJCAI
2003
14 years 10 months ago
2003
We solve the problem of obtaining answers to queries posed to a mediated integration system un der the local-as-view paradigm that are consistent wrt to certain global integrity...
CADE
2004
Springer
15 years 9 months ago
2004
Springer
This paper is concerned with the integration of recursive data structures with Presburger arithmetic. The integrated theory includes a length function on data structures, thus prov...
AGENTS
1997
Springer
15 years 1 months ago
1997
Springer
Most sensors used for robot navigation fall into one of two broad categories: range sensors that give approximate distances to obstacles, and object-based sensors that detect and ...