721 search results - page 37 / 145 » Supporting top-k join queries in relational databases |
ISPAN
2002
IEEE
15 years 2 months ago
2002
IEEE
Index is an important element in databases, and the existence of index is unavoidable. When an index has been built on a particular attribute, database operations (e.g. selection,...
151
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ICDT
2009
ACM
15 years 10 months ago
2009
ACM
This article deals with consistent query answering to conjunctive queries under primary key constraints. The repairs of an inconsistent database db are obtained by selecting a max...
113
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MMDB
2003
ACM
15 years 2 months ago
2003
ACM
The increased use of video data sets for multimedia-based applications has created a demand for strong video database support, including efficient methods for handling the content...
COMAD
1994
14 years 11 months ago
1994
Many parallel join algorithms have been proposed in the last several years. However, most of these algorithms require that the amount of data to be joined is known in advance in o...
177
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SIGMOD
2007
ACM
15 years 9 months ago
2007
ACM
A lot of research has been conducted by the database community on methods and techniques for efficient XPath processing, with great success. Despite the progress made, significant...