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CCE
2004
15 years 6 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 6 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
CCE
2004
15 years 6 months ago
New measures and procedures to manage financial risk with applications to the planning of gas commercialization in Asia
This paper presents some new concepts and procedures for financial risk management. To complement the use of value at risk a new concept, upside potential or opportunity value as ...
Ahmed Aseeri, Miguel J. Bagajewicz
APIN
2000
143views more  APIN 2000»
15 years 6 months ago
Conceptual Models and Architectures for Advanced Information Systems
Abstract. This paper addresses several issues related to the use of conceptual modeling to support serviceoriented, advanced information systems. It shows how conceptual modeling o...
Larry Kerschberg, Doyle Weishar
CGF
2007
102views more  CGF 2007»
15 years 6 months ago
Image Dequantization: Restoration of Quantized Colors
Color quantization replaces the color of each pixel with the closest representative color, and thus it makes the resulting image partitioned into uniformly-colored regions. As a c...
Tae-hoon Kim, Jongwoo Ahn, Min Gyu Choi