549 search results - page 76 / 110 » Data Expiration and Aggregate Queries |
128
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KRDB
1997
15 years 1 months ago
1997
A data warehouse is a redundant collection of data replicated from several possibly distributed and loosely coupled source databases, organized to answer OLAP queries. Relational ...
188
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ICDE
2006
IEEE
16 years 1 months ago
2006
IEEE
Relational data streams and XML streams have previously provided two separate research foci, but their unified support by a single Data Stream Management System (DSMS) is very des...
100
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WEBDB
2010
Springer
15 years 4 months ago
2010
Springer
Wikipedia infoboxes is an example of a seemingly structured, yet extraordinarily heterogeneous dataset, where any given record has only a tiny fraction of all possible fields. Su...
SIGMOD
1999
ACM
15 years 4 months ago
1999
ACM
Pre-computation and materialization of views with aggregate functions is a common technique in Data Warehouses. Due to the complex structure of the warehouse and the different pro...
169
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SIGMOD
2007
ACM
15 years 12 months ago
2007
ACM
In-network sensor query processing systems (ISQPs), or sensor databases, have been developed to acquire, process and aggregate data from wireless sensor networks (WSNs). Because W...