24 search results - page 4 / 5 » Adaptive join processing in pipelined plans |
SIGMOD
1995
ACM
13 years 8 months ago
1995
ACM
Text is a pervasive information type, and many applications require querying over text sources in addition to structured data. This paper studies the problem of query processing i...
SIGMOD
2009
ACM
14 years 1 days ago
2009
ACM
The state of the art commercial query optimizers employ cost-based optimization and exploit dynamic programming (DP) to find the optimal query execution plan (QEP) without evalua...
SIGMOD
2009
ACM
14 years 5 months ago
2009
ACM
Composite (or Complex) event processing (CEP) systems search sequences of incoming events for occurrences of userspecified event patterns. Recently, they have gained more attentio...
BNCOD
2011
12 years 5 months ago
2011
Due to high data volumes and unpredictable arrival rates, continuous query systems processing expensive queries in real-time may fail to keep up with the input data streams - resul...
PVLDB
2010
13 years 3 months ago
2010
Mashups are situational applications that join multiple sources to better meet the information needs of Web users. Web sources can be huge databases behind query interfaces, which...