721 search results - page 39 / 145 » Supporting top-k join queries in relational databases |
174
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ICDE
2003
IEEE
15 years 11 months ago
2003
IEEE
We present a query architecture in which join operators are decomposed into their constituent data structures (State Modules, or SteMs), and dataflow among these SteMs is managed ...
CF
2009
ACM
15 years 2 months ago
2009
ACM
Decision Support System (DSS) workloads are known to be one of the most time-consuming database workloads that processes large data sets. Traditionally, DSS queries have been acce...
SSDBM
2005
IEEE
15 years 3 months ago
2005
IEEE
This paper introduces a framework for Phenomena Detection and Tracking (PDT, for short) in sensor network databases. Examples of detectable phenomena include the propagation over ...
EUROPAR
1999
Springer
15 years 2 months ago
1999
Springer
For complex queries in parallel database systems, substantial amounts of data must be redistributed between operators executed on different processing nodes. Frequently, such inter...
143
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SIGMOD
2008
ACM
15 years 9 months ago
2008
ACM
There has been a significant amount of excitement and recent work on column-oriented database systems ("column-stores"). These database systems have been shown to perfor...