1588 search results - page 180 / 318 » Consistent query answering in databases |
126
Voted
SSDBM
2008
IEEE
15 years 11 months ago
2008
IEEE
Bitmap indexes are known to be efficient for ad-hoc range queries that are common in data warehousing and scientific applications. However, they suffer from the curse of cardina...
120
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VLDB
2005
ACM
15 years 10 months ago
2005
ACM
We propose a balanced tree structure overlay on a peer-to-peer network capable of supporting both exact queries and range queries efficiently. In spite of the tree structure caus...
134
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DATESO
2007
15 years 6 months ago
2007
The task of similarity search in image databases has been studied for decades, while there have been many feature extraction techniques proposed. Among the mass of low-level techni...
148
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TCC
2009
Springer
16 years 5 months ago
2009
Springer
We consider the problem of memory checking, where a user wants to maintain a large database on a remote server but has only limited local storage. The user wants to use the small ...
159
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EDBT
2009
ACM
15 years 11 months ago
2009
ACM
Materialized views (MV) can significantly improve the query performance of relational databases. In this paper, we consider MVs to optimize complex scenarios where many heterogen...