1890 search results - page 18 / 378 » Querying Big Data by Accessing Small Data |
VLDB
1999
ACM
15 years 2 months ago
1999
ACM
We present an optimization method and algorithm designed for three objectives: physical data independence, semantic optimization, and generalized tableau minimization. The method ...
183
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VLDB
2003
ACM
15 years 11 months ago
2003
ACM
In data applications such as information integration, there can be limited access patterns to relations, i.e., binding patterns require values to be specified for certain attribut...
DPD
2002
14 years 10 months ago
2002
A major cost in executing queries in a distributed database system is the data transfer cost incurred in transferring relations (fragments) accessed by a query from different sites...
VLDB
1998
ACM
15 years 2 months ago
1998
ACM
Numerous applications such as stock market or medical information systems require that both historical and current data be logically integrated into a temporal database. The under...
179
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ICDE
1999
IEEE
16 years 1 days ago
1999
IEEE
This paper proposes methodologies to control the access of B-tree-indexed data in a batch and real-time fashion. Algorithms are proposed to insert, query, delete, and rebalance B-...