1552 search results - page 6 / 311 » Efficient Aggregate Computation over Data Streams |
DC
2008
13 years 7 months ago
2008
We study the problem of maintaining a sketch of recent elements of a data stream. Motivated by applications involving network data, we consider streams that are asynchronous, in wh...
SIGMOD
2005
ACM
14 years 7 months ago
2005
ACM
Existing energy-efficient approaches to in-network aggregation in sensor networks can be classified into two categories, tree-based and multi-path-based, with each having unique s...
EDBT
2004
ACM
14 years 7 months ago
2004
ACM
There is a growing interest in on-line algorithms for analyzing and querying data streams, that examine each stream element only once and have at their disposal, only a limited amo...
EDBT
2002
ACM
14 years 7 months ago
2002
ACM
SIGMOD
2010
ACM
14 years 13 days ago
2010
ACM
In this paper, we propose an online aggregation system called COSMOS (Continuous Sampling for Multiple queries in an Online aggregation System), to process multiple aggregate quer...