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» Optimizing Monitoring Queries over Distributed Data
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SIGMOD
2003
ACM
161views Database» more  SIGMOD 2003»
16 years 22 days ago
Approximate Join Processing Over Data Streams
We consider the problem of approximating sliding window joins over data streams in a data stream processing system with limited resources. In our model, we deal with resource cons...
Abhinandan Das, Johannes Gehrke, Mirek Riedewald
73
Voted
ISSS
2002
IEEE
120views Hardware» more  ISSS 2002»
15 years 5 months ago
Optimal Message-Passing for Data Coherency in Distributed Architecture
Message-passing mechanism is commonly used to preserve data coherency in distributed systems. This paper presents an algorithm for insertion of minimal message-passing in system-l...
Daniel Gajski, Junyu Peng
186
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ICDE
2002
IEEE
149views Database» more  ICDE 2002»
16 years 1 months ago
GADT: A Probability Space ADT for Representing and Querying the Physical World
Large sensor networks are being widely deployed for measurement, detection, and monitoring applications. Many of these applications involve database systems to store and process d...
Anton Faradjian, Johannes Gehrke, Philippe Bonnet
188
Voted
ICDE
2008
IEEE
147views Database» more  ICDE 2008»
16 years 1 months ago
Flow Algorithms for Parallel Query Optimization
In this paper we address the problem of minimizing the response time of a multi-way join query using pipelined (inter-operator) parallelism, in a parallel or a distributed environ...
Amol Deshpande, Lisa Hellerstein
EDBT
2010
ACM
392views Database» more  EDBT 2010»
15 years 7 months ago
Position list word aligned hybrid: optimizing space and performance for compressed bitmaps
Compressed bitmap indexes are increasingly used for efficiently querying very large and complex databases. The Word Aligned Hybrid (WAH) bitmap compression scheme is commonly rec...
François Deliège, Torben Bach Peders...