1061 search results - page 8 / 213 » Integrity Constraints for Linked Data |
IJCAI
2003
14 years 11 months ago
2003
In this paper we address the problem of query answering and rewriting in global-as-view data integration systems, when key and inclusion dependencies are expressed on the global i...
157
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ICDE
1999
IEEE
15 years 11 months ago
1999
IEEE
We develop a data integration approach for the efficient evaluation of queries over autonomous source databases. The approach is based on some novel applications and extensions of...
78
Voted
ICDT
2001
ACM
15 years 1 months ago
2001
ACM
In fast OLAP applications it is often advantageous to provide approximate answers to range queries in order to achieve very high performances. A possible solution is to inquire sum...
101
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EDBT
2012
ACM
12 years 12 months ago
2012
ACM
In this paper we consider the problem of answering queries using views, with or without ontological constraints, which is important for data integration, query optimization, and d...
108
Voted
MOBIDE
2006
ACM
15 years 3 months ago
2006
ACM
Mobile and pervasive applications frequently rely on devices such as RFID antennas or sensors (light, temperature, motion) to provide them information about the physical world. Th...