1449 search results - page 277 / 290 » Time Synchronization |
ICDCS
2009
IEEE
14 years 3 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...
PODC
2009
ACM
14 years 3 months ago
2009
ACM
We study communication complexity of consensus in synchronous message-passing systems with processes prone to crashes. The goal in the consensus problem is to have all the nonfaul...
SIGMOD
2009
ACM
14 years 3 months 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...
CIKM
2009
Springer
14 years 3 months ago
2009
Springer
We study the problem of continuous monitoring of top-k queries over multiple non-synchronized streams. Assuming a sliding window model, this general problem has been a well addres...
ICDCS
2008
IEEE
14 years 3 months ago
2008
IEEE
A multi-object operation incurs communication or synchronization overhead when the requested objects are distributed over different nodes. The object pair correlations (the probab...