UNIK-RELAX: A generator of the Lagrangian problem and its application to the distributed database system

In the integer programming model, structural identification and relaxation is an approach that generates the Lagrangian problem of the model. The approach is based on a semantic view which specifies the optimization model in a formal knowledge representation such as frames. We have developed a system, UNIK-RELAX, that implements the approach on the knowledge-assisted optimization modeler; UNIK-OPT, and forward chaining rule based system, UNIK-FWD. This paper particularly elaborates three states: The model distinctiveness state, embedded structure state and Lagrangian structure state which occurred in the process of generating the Lagrangian problem. The system UNIK-RELAX is applied to a data allocation model. (C) 1997 Elsevier Science Ltd.
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Issue Date
1997-04
Language
ENG
Keywords

MODEL

Citation

EXPERT SYSTEMS WITH APPLICATIONS, v.12, no.3, pp.373 - 391

ISSN
0957-4174
URI
http://hdl.handle.net/10203/4357
Appears in Collection
KSIM-Journal Papers(저널논문)
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