2853 search results - page 183 / 571 » On the Efficiency of Provenance Queries |
247
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SIGMOD
2009
ACM
16 years 6 months ago
2009
ACM
Enabling keyword queries over relational databases (KQDB) benefits a large population of users who have difficulty in understanding the database schema or using SQLs. However, sin...
174
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EDBT
2006
ACM
16 years 6 months ago
2006
ACM
Abstract. Many different index structures have been proposed for spatial databases to support efficient query processing. However, most of these index structures suffer from an exp...
220
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BTW
1993
Springer
15 years 10 months ago
1993
Springer
It is clearly crucial for the success of object-oriented databases to find effiĆ cient implementations that improve on the performance of relational sysĆ tems, rather than being...
184
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DBISP2P
2006
Springer
15 years 10 months ago
2006
Springer
The processing of k-NN queries has been studied extensively both in a centralized computing environment and in a structured P2P environment. However, the problem over an unstructur...
202
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EDBT
2010
ACM
15 years 9 months ago
2010
ACM
Recently, there has been growing interest in random sampling from online hidden databases. These databases reside behind form-like web interfaces which allow users to execute sear...