2853 search results - page 138 / 571 » On the Efficiency of Provenance Queries |
177
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VLDB
1994
ACM
15 years 10 months ago
1994
ACM
A join index hierarchy method is proposed to handle the "goto's on disk" problem in objectoriented query processing. The method constructs a hierarchy of join indic...
154
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IJCAI
1997
15 years 7 months ago
1997
Themost costly aspect of gathering information over the Internet is that of transferring data over the networkto answer the user’s query. Wemaketwo contributions in this paperth...
165
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TKDE
2002
15 years 6 months ago
2002
A join-index is a data structure used for processing join queries in databases. Join-indices use precomputation techniques to speed up online query processing and are useful for da...
277
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ICDE
2008
IEEE
16 years 7 months ago
2008
IEEE
We study the problem of auditing a batch of SQL queries: Given a forbidden view of a database that should have been kept confidential, a batch of queries that were posed over this ...
278
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ICDE
2007
IEEE
16 years 7 months ago
2007
IEEE
Location-based spatial queries (LBSQs) refer to spatial queries whose answers rely on the location of the inquirer. Efficient processing of LBSQs is of critical importance with th...