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» Commuting aggregation operators
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OTM
2005
Springer
14 years 1 months ago
Event Broker Grids with Filtering, Aggregation, and Correlation for Wireless Sensor Data
Abstract. A significant increase in real world event monitoring capability with wireless sensor networks brought a new challenge to ubiquitous computing. To manage high volume and...
Eiko Yoneki
VLDB
2004
ACM
113views Database» more  VLDB 2004»
14 years 29 days ago
Resource Sharing in Continuous Sliding-Window Aggregates
We consider the problem of resource sharing when processing large numbers of continuous queries. We specifically address sliding-window aggregates over data streams, an important...
Arvind Arasu, Jennifer Widom
HPCC
2007
Springer
13 years 11 months ago
Resource Aggregation and Workflow with Webcom
Efficient exploitation of the aggregate resources available to a researcher is a challenging and real problem. The challenge becomes all the greater when researchers who collaborat...
Oisín Curran, Paddy Downes, John Cunniffe, ...
ADBIS
2009
Springer
127views Database» more  ADBIS 2009»
14 years 2 months ago
Window Update Patterns in Stream Operators
Continuous queries applied over nonterminating data streams usually specify windows in order to obtain an evolving –yet restricted– set of tuples and thus provide timely result...
Kostas Patroumpas, Timos K. Sellis
DSN
2002
IEEE
14 years 17 days ago
Performability Analysis of Guarded-Operation Duration: A Successive Model-Translation Approach
When making an engineering design decision, it is often necessary to consider its implications on both system performance and dependability. In this paper, we present a performabi...
Ann T. Tai, William H. Sanders, Leon Alkalai, Savi...