37 search results - page 7 / 8 » Opportunity Detection for OFDMA Systems with Timing Misalign... |
SIGMOD
2007
ACM
14 years 5 months ago
2007
ACM
Complex queries often contain common or similar subexpressions, either within a single query or among multiple queries submitted as a batch. If so, query execution time can be imp...
SIGMOD
2003
ACM
14 years 5 months ago
2003
ACM
Webcams, microphones, pressure gauges and other sensors provide exciting new opportunities for querying and monitoring the physical world. In this paper we focus on querying wide ...
ICDCS
2009
IEEE
13 years 11 months ago
2009
IEEE
Concurrency control is a core component in optimistic replication systems. To detect concurrent updates, the system associates each replicated object with metadata, such as, versi...
USENIX
2007
13 years 7 months ago
2007
Current disk prefetch policies in major operating systems track access patterns at the level of the file abstraction. While this is useful for exploiting application-level access...
EDBT
2009
ACM
13 years 11 months ago
2009
ACM
Data stream management systems usually have to process many long-running queries that are active at the same time. Multiple queries can be evaluated more efficiently together tha...