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» Location-aware Query Processing and Optimization
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VLDB
2007
ACM
147views Database» more  VLDB 2007»
14 years 7 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
DASFAA
2008
IEEE
168views Database» more  DASFAA 2008»
14 years 1 months ago
SemanticTwig: A Semantic Approach to Optimize XML Query Processing
Twig pattern matching (TPM) is the core operation of XML query processing. Existing approaches rely on either efficient data structures or novel labeling/indexing schemes to reduce...
Zhifeng Bao, Tok Wang Ling, Jiaheng Lu, Bo Chen
SIGMOD
1993
ACM
140views Database» more  SIGMOD 1993»
13 years 11 months ago
Second-Order Signature: A Tool for Specifying Data Models, Query Processing, and Optimization
Abstract: We propose a framework for the specification of extensible database systems. A particular goal is to implement a software component for parsing and rule-based optimizatio...
Ralf Hartmut Güting
CIDR
2011
228views Algorithms» more  CIDR 2011»
12 years 11 months ago
Crowdsourced Databases: Query Processing with People
Amazon’s Mechanical Turk (“MTurk”) service allows users to post short tasks (“HITs”) that other users can receive a small amount of money for completing. Common tasks on...
Adam Marcus 0002, Eugene Wu 0002, Samuel Madden, R...
ICDCS
2008
IEEE
14 years 1 months ago
Multi-query Optimization for Distributed Similarity Query Processing
This paper considers a multi-query optimization issue for distributed similarity query processing, which attempts to exploit the dependencies in the derivation of a query evaluati...
Yi Zhuang, Qing Li, Lei Chen 0002