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» Spatio-temporal join selectivity
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WWW
2008
ACM
14 years 8 months ago
SPARQL basic graph pattern optimization using selectivity estimation
In this paper, we formalize the problem of Basic Graph Pattern (BGP) optimization for SPARQL queries and main memory graph implementations of RDF data. We define and analyze the c...
Markus Stocker, Andy Seaborne, Abraham Bernstein, ...
ICDE
2008
IEEE
137views Database» more  ICDE 2008»
14 years 9 months ago
Multiple Materialized View Selection for XPath Query Rewriting
We study the problem of answering XPATH queries using multiple materialized views. Despite the efforts on answering queries using single materialized view, answering queries using ...
Byron Choi, Jeffrey Xu Yu, Kam-Fai Wong, M. Tamer ...
ATAL
2008
Springer
13 years 9 months ago
Towards Improved Partner Selection Using Recommendations and Trust
Agents in open and dynamic environments face the challenge of uncertainty while interacting with others to achieve their goals. They face quick and unforeseen changes to the behavi...
Sarah N. Lim Choi Keung, Nathan Griffiths
GPCE
2003
Springer
14 years 25 days ago
A Selective, Just-in-Time Aspect Weaver
Dynamic AOP (Aspect-Oriented Programming) is receiving growing interests in both the academia and the industry. Since it allows weaving aspects with a program at runtime, it is use...
Yoshiki Sato, Shigeru Chiba, Michiaki Tatsubori
VISUALIZATION
1991
IEEE
13 years 11 months ago
Achieving Direct Volume Visualization with Interactive Semantic Region Selection
Interactive direct visualization of 3D data requires fast update rates and the ability to extract regions of interest from the surrounding data. We have implemented MultiValued Cl...
Terry S. Yoo, Ulrich Neumann, Henry Fuchs, Stephen...