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CP
1999
Springer
15 years 4 months ago
The Theory of Discrete Lagrange Multipliers for Nonlinear Discrete Optimization
In this paper we present a Lagrange-multiplier formulation of discrete constrained optimization problems, the associated discrete-space first-order necessary and sufficient condit...
Benjamin W. Wah, Zhe Wu
94
Voted
ECAI
2008
Springer
15 years 1 months ago
Optimizing Causal Link Based Web Service Composition
Automation of Web service composition is one of the most interesting challenges facing the Semantic Web today. Since Web services have been enhanced with formal semantic descriptio...
Freddy Lécué, Alexandre Delteil, Ala...
ADCM
2005
79views more  ADCM 2005»
14 years 11 months ago
Flexible piecewise approximations based on partition of unity
In this paper, we study a flexible piecewise approximation technique based on the use of the idea of the partition of unity. The approximations are piecewisely defined, globally sm...
Weimin Han, Wing Kam Liu
90
Voted
MP
2008
105views more  MP 2008»
14 years 11 months ago
On the strength of Gomory mixed-integer cuts as group cuts
Gomory mixed-integer (GMI) cuts generated from optimal simplex tableaus are known to be useful in solving mixed-integer programs. Further, it is well-known that GMI cuts can be de...
Sanjeeb Dash, Oktay Günlük
WIOPT
2011
IEEE
14 years 3 months ago
Portfolio optimization in secondary spectrum markets
—In this paper, we address the spectrum portfolio optimization (SPO) question in the context of secondary spectrum markets, where bandwidth (spectrum access rights) can be bought...
Praveen Kumar Muthuswamy, Koushik Kar, Aparna Gupt...