2853 search results - page 136 / 571 » On the Efficiency of Provenance Queries |
240
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ICDE
2007
IEEE
16 years 7 months ago
2007
IEEE
Queries containing outer joins are common in data warehousing applications. Materialized outer-join views could greatly speed up many such queries but most database systems do not...
157
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COLT
2004
Springer
15 years 10 months ago
2004
Springer
We investigate label efficient prediction, a variant, proposed by Helmbold and Panizza, of the problem of prediction with expert advice. In this variant, the forecaster, after gues...
207
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DEXA
2009
Springer
15 years 9 months ago
2009
Springer
Peer-to-Peer (P2P) data integration combines the P2P infrastructure with traditional scheme-based data integration techniques. Some of the primary problems in this research area ar...
290
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ICDE
2002
IEEE
16 years 7 months ago
2002
IEEE
We propose a novel approach to shape-based image retrieval that builds upon a similarity criterion which is based on the average point set distance. Compared to traditional techni...
262
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
Reverse skyline queries over uncertain databases have many important applications such as sensor data monitoring and business planning. Due to the existence of uncertainty in many...