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» Algebraic Query Optimization for Distributed Top-k Queries
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SIGMOD
2004
ACM
95views Database» more  SIGMOD 2004»
14 years 9 months ago
Querying at Internet-Scale
We are developing a distributed query processor called PIER, which is designed to run on the scale of the entire Internet. PIER utilizes a Distributed Hash Table (DHT) as its comm...
Brent N. Chun, Joseph M. Hellerstein, Ryan Huebsch...
TKDE
2012
487views Formal Methods» more  TKDE 2012»
11 years 11 months ago
Query Planning for Continuous Aggregation Queries over a Network of Data Aggregators
—Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of som...
Rajeev Gupta, Krithi Ramamritham
AIPS
1998
13 years 10 months ago
Flexible and Scalable Query Planning in Distributed and Heterogeneous Environments
We present the application of the Planning by Rewriting PbR framework to query planning in distributed and heterogeneous environments. PbR is a new paradigm for e cient high-quali...
José Luis Ambite, Craig A. Knoblock
CCGRID
2002
IEEE
14 years 2 months ago
Multiple Query Optimization for Data Analysis Applications on Clusters of SMPs
This paper is concerned with the efficient execution of multiple query workloads on a cluster of SMPs. We target applications that access and manipulate large scientific dataset...
Henrique Andrade, Tahsin M. Kurç, Alan Suss...
DASFAA
2006
IEEE
168views Database» more  DASFAA 2006»
14 years 3 months ago
PMJoin: Optimizing Distributed Multi-way Stream Joins by Stream Partitioning
Abstract. In emerging data stream applications, data sources are typically distributed. Evaluating multi-join queries over streams from different sources may incur large communica...
Yongluan Zhou, Ying Yan, Feng Yu, Aoying Zhou