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» Some Properties and Some Problems on Set Functors
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WEBDB
2000
Springer
136views Database» more  WEBDB 2000»
15 years 10 months ago
An Optimization Technique for Answering Regular Path Queries
Rewriting queries using views is a powerful technique that has applications in data integration, data warehousing and query optimization. Query rewriting in relational databases i...
Gösta Grahne, Alex Thomo
AAAI
2008
15 years 8 months ago
Computing Observation Vectors for Max-Fault Min-Cardinality Diagnoses
Model-Based Diagnosis (MBD) typically focuses on diagnoses, minimal under some minimality criterion, e.g., the minimal-cardinality set of faulty components that explain an observa...
Alexander Feldman, Gregory M. Provan, Arjan J. C. ...
AAAI
2007
15 years 8 months ago
Filtering, Decomposition and Search Space Reduction for Optimal Sequential Planning
We present in this paper a hybrid planning system which combines constraint satisfaction techniques and planning heuristics to produce optimal sequential plans. It integrates its ...
Stéphane Grandcolas, C. Pain-Barre
WSC
2008
15 years 8 months ago
Simulation optimization for industrial scheduling using hybrid genetic representation
Simulation modeling has the capability to represent complex real-world systems in details and therefore it is suitable to develop simulation models for generating detailed operati...
Marcus Andersson, Amos Ng, Henrik Grimm
CRV
2008
IEEE
125views Robotics» more  CRV 2008»
15 years 8 months ago
Enhancing Steganography in Digital Images
The recent digital revolution has facilitated communication, data portability and on-the-fly manipulation. Unfortunately, this has brought along some critical security vulnerabili...
Abbas Cheddad, Joan Condell, Kevin Curran, Paul Mc...