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Integrating heuristic knowledge and optimization models for communication network design

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2 Author(s)
A. Dutta ; Dept. of Manage. Sci., Iowa Univ., Iowa City, IA, USA ; S. Mitra

A method is developed for integrating heuristic design knowledge with optimization models to create a tool for the topological design of computer communication networks. Design choices are based on suggestions from optimization models, as well as heuristic knowledge, which interact through a blackboard. A truth maintenance system (TMS) records justification for current design choices, as well as promising alternatives. A dependency-directed backtracking mechanism works with the TMS to choose other alternatives as warranted. This hybrid tool can consider a wider range of design requirements than is possible using one type of knowledge alone, is flexible in handling variations in these requirements, and has a modular structure which facilitates incremental refinement. Computational results on separate networks show it is effective in identifying good low-cost solutions

Published in:

IEEE Transactions on Knowledge and Data Engineering  (Volume:5 ,  Issue: 6 )