2674 search results - page 265 / 535 » Data Models and Query Languages for Spatial Databases |
169
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SEMWEB
2005
Springer
16 years 3 days ago
2005
Springer
Semantic query optimization (SQO) has been proved to be quite useful in various applications (e.g., data integration, graphical query generators, caching, etc.) and has been extens...
154
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ICDE
2005
IEEE
16 years 7 days ago
2005
IEEE
Abstract Although e-commerce is becoming popular, product rules, which describe various conditions such as prices, applicability, and discount conditions are still expressed in nat...
148
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AIED
2005
Springer
16 years 5 days ago
2005
Springer
Abstract. This paper describes the process by which we are constructing an intelligent tutoring system (ERST) designed to improve learners’ external representation (ER) selection...
209
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SIGMOD
1999
ACM
15 years 11 months ago
1999
ACM
Traditional approaches for content-based image querying typically compute a single signature for each image based on color histograms, texture, wavelet transforms etc., and return...
154
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SIGMOD
2010
ACM
15 years 11 months ago
2010
ACM
We present SecureBlox, a declarative system that unifies a distributed query processor with a security policy framework. SecureBlox decouples security concerns from system speci...