418 search results - page 31 / 84 » Optimizing Large Join Queries in Mediation Systems |
SIGMOD
2011
ACM
12 years 10 months ago
2011
ACM
Table partitioning splits a table into smaller parts that can be accessed, stored, and maintained independent of one another. From their traditional use in improving query perform...
SIGMOD
2001
ACM
14 years 7 months ago
2001
ACM
Virtually all proposals for querying XML include a class of query we term "containment queries". It is also clear that in the foreseeable future, a substantial amount of...
APWEB
2010
Springer
13 years 10 months ago
2010
Springer
This paper investigates the problem of processing multiple continuous queries over RFID streaming data in RFID middleware. RFID middleware collects and filters RFID sensing data wh...
SIGMOD
2006
ACM
14 years 7 months ago
2006
ACM
Data streaming systems are becoming essential for monitoring applications such as financial analysis and network intrusion detection. These systems often have to process many simi...
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
Algorithms that exploit sort orders are widely used to implement joins, grouping, duplicate elimination and other set operations. Query optimizers traditionally deal with sort ord...