337 search results - page 10 / 68 » Multiple Aggregations Over Data Streams |
ICEBE
2005
IEEE
14 years 1 months ago
2005
IEEE
Over a traditional Database Management System (DBMS), the answer to an aggregate query is usually much smaller than the answer to a similar nonaggregate query. Therefore, we call ...
EDBTW
2006
Springer
13 years 11 months ago
2006
Springer
Several query languages have been proposed for managing data streams in modern monitoring applications. Continuous queries expressed in these languages usually employ windowing con...
PODS
2002
ACM
14 years 7 months ago
2002
ACM
We consider conjunctive queries with arithmetic comparisons over multiple continuous data streams. We specify an algorithm for determining whether or not a query can be evaluated ...
TKDE
2008
13 years 7 months ago
2008
We propose a novel approach based on predictive quantization (PQ) for online summarization of multiple time-varying data streams. A synopsis over a sliding window of most recent en...
DEBS
2009
ACM
13 years 8 months ago
2009
ACM
Recently, decentralized publish-subscribe (pub-sub) systems have gained popularity as a scalable asynchronous messaging paradigm over wide-area networks. Most existing pub-sub sys...