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» A System for Semantic Query Optimization
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GIS
2006
ACM
14 years 10 months ago
Optimization of multiple continuous queries over streaming satellite data
Remotely sensed data, in particular satellite imagery, play many important roles in environmental applications and models. In particular applications that study (rapid) changes in...
Quinn Hart, Michael Gertz
ICMCS
2008
IEEE
156views Multimedia» more  ICMCS 2008»
14 years 3 months ago
A fuzzy statistical correlation-based approach to content-based image retrieval
This paper presents an effective fuzzy long-term semantic learning method for relevance feedback-based image retrieval. The proposed system uses a statistical correlationbased met...
Xiaojun Qi, Ran Chang
BTW
2005
Springer
113views Database» more  BTW 2005»
14 years 2 months ago
A Learning Optimizer for a Federated Database Management System
: Optimizers in modern DBMSs utilize a cost model to choose an efficient query execution plan (QEP) among all possible ones for a given query. The accuracy of the cost estimates de...
Stephan Ewen, Michael Ortega-Binderberger, Volker ...
ICLP
2005
Springer
14 years 2 months ago
An Optimised Semantic Web Query Language Implementation in Prolog
The Semantic Web is a rapidly growing research area aiming at the exchange of semantic information over the World Wide Web. The Semantic Web is built on top of RDF, an XML-based ex...
Jan Wielemaker
WISE
2010
Springer
13 years 7 months ago
From Keywords to Queries: Discovering the User's Intended Meaning
Abstract. Regarding web searches, users have become used to keywordbased search interfaces due to their ease of use. However, this implies a semantic gap between the user's in...
Carlos Bobed, Raquel Trillo, Eduardo Mena, Sergio ...