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|Title:||Knowledge-based time-critical dynamic decision modelling|
|Authors:||Xiang, Y.P. |
Decision support systems
|Source:||Xiang, Y.P.,Poh, K.L. (2002-01). Knowledge-based time-critical dynamic decision modelling. Journal of the Operational Research Society 53 (1) : 79-87. ScholarBank@NUS Repository.|
|Abstract:||Recent interests in dynamic decision modelling have led to the development of several representation and inference methods. These methods however, have limited application under time-critical conditions where a trade-off between model quality and computational tractability is essential. This paper presents a knowledge-based approach to time-critical dynamic decision modelling. A knowledge representation and modelling method, called the time-critical dynamic influence diagram, is proposed. The proposed approach has the ability to represent space-temporal abstraction in dynamic decision models. Several algorithms from different classes for solving time-critical dynamic influence diagrams are described. A knowledge-based meta-reasoning approach is proposed for the purpose of selecting the best abstracted model and algorithm that provide the optimal trade-off between model quality and model tractability. The approach is applied to solve a time-critical medical decision problem. An outline of the knowledge-based model construction procedure is also provided.|
|Source Title:||Journal of the Operational Research Society|
|Appears in Collections:||Staff Publications|
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