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CORR
2007
Springer
77views Education» more  CORR 2007»
13 years 7 months ago
Query Evaluation and Optimization in the Semantic Web
We address the problem of answering Web ontology queries efficiently. An ontology is formalized as a Deductive Ontology Base (DOB), a deductive database that comprises the ontology...
Edna Ruckhaus, Eduardo Ruiz, Maria-Esther Vidal
WSC
2000
13 years 9 months ago
Simulation optimization of stochastic systems with integer variables by sequential linearization
Discrete-event simulation is widely used to analyse and improve the performance of manufacturing systems. The related optimization problem often includes integer design variables ...
S. J. Abspoel, L. F. P. Etman, J. Vervoort, J. E. ...
ICDE
2001
IEEE
149views Database» more  ICDE 2001»
14 years 9 months ago
Selectivity Estimation for Spatial Joins
Spatial Joins are important and time consuming operations in spatial database management systems. It is crucial to be able to accurately estimate the performance of these operatio...
Ning An, Zhen-Yu Yang, Anand Sivasubramaniam
MICRO
2009
IEEE
315views Hardware» more  MICRO 2009»
14 years 2 months ago
Control flow obfuscation with information flow tracking
Recent micro-architectural research has proposed various schemes to enhance processors with additional tags to track various properties of a program. Such a technique, which is us...
Haibo Chen, Liwei Yuan, Xi Wu, Binyu Zang, Bo Huan...
INFOCOM
2003
IEEE
14 years 1 months ago
A Dynamic RWA Algorithm in a Wavelength-Routed All-Optical Network with Wavelength Converters
—Existing research demonstrated that an effective Routing and Wavelength Assignment (RWA) scheme and a wavelength converter placement algorithm are the two primary vehicles for i...
Xiaowen Chu, Bo Li