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» Optimizing Monitoring Queries over Distributed Data
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VLDB
2007
ACM
147views Database» more  VLDB 2007»
15 years 10 months ago
A General Framework for Modeling and Processing Optimization Queries
An optimization query asks for one or more data objects that maximize or minimize some function over the data set. We propose a general class of queries, model-based optimization ...
Michael Gibas, Ning Zheng, Hakan Ferhatosmanoglu
SAC
2003
ACM
15 years 3 months ago
Distributed Query Adaptation and Its Trade-offs
Adaptive query processing in large distributed systems has seen increasing importance due to the rising environmental fluctuations in a growing Internet. We describe Ginga, an ad...
Henrique Paques, Ling Liu, Calton Pu
ICDCN
2009
Springer
15 years 5 months ago
Flooding-Assisted Threshold Assignment for Aggregate Monitoring in Sensor Networks
The research community has witnessed a large interest in monitoring large scale distributed systems. In these applications typically we wish to monitor a global system condition wh...
Ali Abbasi, Ahmad Khonsari, Mohammad Sadegh Talebi
DGO
2004
103views Education» more  DGO 2004»
14 years 11 months ago
Indexing Distributed Complex Data for Complex Queries
Peer-to-peer networks are becoming a common form of online data exchange. Querying data, mostly files, using keywords on peer-to-peer networks is well-known. But users cannot perf...
Egemen Tanin, Aaron Harwood, Hanan Samet
WMCSA
2002
IEEE
15 years 3 months ago
Supporting Aggregate Queries Over Ad-Hoc Wireless Sensor Networks
We show how the database community’s notion of a generic query interface for data aggregation can be applied to ad-hoc networks of sensor devices. As has been noted in the senso...
Samuel Madden, Robert Szewczyk, Michael J. Frankli...