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» A System for Semantic Query Optimization
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ESWS
2008
Springer
13 years 11 months ago
Numeric reasoning in the Semantic Web
Abstract. The Semantic Web is an effort by the W3C to enable integration and sharing of information across different applications and organizations using annotations by means of on...
Chimène Fankam, Stéphane Jean, Guy P...
EWDW
1994
14 years 1 months ago
Optimization of Object-Oriented Queries by Inverse Methods
For object-oriented databases we propose a new technique for optimizing queries containing method invocations. This technique is based on the definition of inverse methods and que...
Johann Eder, Heinz Frank, Walter Liebhart
APWEB
2005
Springer
14 years 2 months ago
Multiresolution Query Optimization in an Online Environment
Multiresolution (or multi-scale) techniques make it possible for Web-based GIS applications to access large dataset. The performance of such systems relies on data transmission ove...
Kai Xu 0003, Xiaofang Zhou
DEBS
2011
ACM
13 years 25 days ago
DejaVu: a complex event processing system for pattern matching over live and historical data streams
This short paper provides an overview of the DejaVu complex event processing (CEP) system, with an emphasis on its novel architecture and query optimization techniques for correla...
Nihal Dindar, Peter M. Fischer, Nesime Tatbul
SIGMOD
2001
ACM
229views Database» more  SIGMOD 2001»
14 years 9 months ago
A Robust, Optimization-Based Approach for Approximate Answering of Aggregate Queries
The ability to approximately answer aggregation queries accurately and efficiently is of great benefit for decision support and data mining tools. In contrast to previous sampling...
Surajit Chaudhuri, Gautam Das, Vivek R. Narasayya