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OTM
2005
Springer
16 years 6 days ago
Inferring Complex Semantic Mappings Between Relational Tables and Ontologies from Simple Correspondences
There are many problems requiring a semantic account of a database schema. At its best, such an account consists of mapping formulas between the schema and a formal conceptual mode...
Yuan An, Alexander Borgida, John Mylopoulos
ADC
2004
Springer
147views Database» more  ADC 2004»
16 years 4 days ago
Clustering Moving Objects for Spatio-temporal Selectivity Estimation
Many spatio-temporal applications involve managing and querying moving objects. In such an environment, predictive spatio-temporal queries become an important query class to be pr...
Qing Zhang, Xuemin Lin
GECCO
2004
Springer
103views Optimization» more  GECCO 2004»
16 years 3 days ago
Using a Genetic Algorithm to Design and Improve Storage Area Network Architectures
Abstract. Designing storage area networks is an NP-hard problem. Previous work has focused on traditional algorithmic techniques to automatically determine fabric requirements, net...
Elizabeth Dicke, Andrew Byde, Paul J. Layzell, Dav...
ISCIS
2004
Springer
16 years 2 days ago
A Tabu Search Algorithm for Sparse Placement of Wavelength Converters in Optical Networks
Abstract. In this paper, we study the problem of placing limited number of wavelength converting nodes in a multi-fiber network with static traffic demands and propose a tabu sear...
Namik Sengezer, Ezhan Karasan
LPNMR
2004
Springer
16 years 2 days ago
Answer Set Programming with Clause Learning
A conflict clause represents a backtracking solver’s analysis of why a conflict occurred. This analysis can be used to further prune the search space and to direct the search h...
Jeffrey Ward, John S. Schlipf