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CCE
2004
15 years 4 months ago
Efficient short-term scheduling of refinery operations based on a continuous time formulation
The problem addressed in this work is to develop a comprehensive mathematical programming model for the efficient scheduling of oil-refinery operations. Our approach is first to d...
Zhenya Jia, Marianthi G. Ierapetritou
CCE
2004
15 years 4 months ago
Continuous reformulations of discrete-continuous optimization problems
This paper treats the solution of nonlinear optimization problems involving discrete decision variables, also known as generalized disjunctive programming (GDP) or mixed-integer n...
Oliver Stein, Jan Oldenburg, Wolfgang Marquardt
ENTCS
2002
113views more  ENTCS 2002»
15 years 4 months ago
An Operational Semantics for Declarative Multi-Paradigm Languages
Practical declarative multi-paradigm languages combine the main features of functional, logic and concurrent programming (e.g., laziness, sharing, higher-order, logic variables, n...
Elvira Albert, Michael Hanus, Frank Huch, Javier O...
ML
2002
ACM
127views Machine Learning» more  ML 2002»
15 years 4 months ago
Sparse Regression Ensembles in Infinite and Finite Hypothesis Spaces
We examine methods for constructing regression ensembles based on a linear program (LP). The ensemble regression function consists of linear combinations of base hypotheses generat...
Gunnar Rätsch, Ayhan Demiriz, Kristin P. Benn...
VLDB
2002
ACM
151views Database» more  VLDB 2002»
15 years 4 months ago
Preference SQL - Design, Implementation, Experiences
Current search engines can hardly cope adequately with fuzzy predicates defined by complex preferences. The biggest problem of search engines implemented with standard SQL is that...
Werner Kießling, Gerhard Köstler