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Computational issues surrounding the dynamic optimisation of management of an ecological food web
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Probert, William J. M., McDonald-Madden, E., Peyrard, N. and Sabbadin, R. (2012) Computational issues surrounding the dynamic optimisation of management of an ecological food web. In: European Conference on Artificial Intelligence, Montpellier, France, 27-31 Aug 2012. Published in: Proceedings of the European Conference on Artificial Intelligence
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Abstract
We discuss computational issues surrounding current research that investigates the relevance of graph centrality metrics to the management of ecological food webs. Ecological food webs can be viewed as directed acyclic graphs and we use Markov decision processes to model management. Using dynamic programming we optimally solve the management of an Alaskan food web through time so as to maximise the expected number of species surviving. To generalise our results we investigate policies on generated food webs of varying size. For large food webs the state and action spaces are too large for dynamic programming to be computationally feasible and we use heuristical methods to approximate the optimal policy.
Item Type: | Conference Item (Paper) | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- ) Faculty of Science, Engineering and Medicine > Science > Mathematics |
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Journal or Publication Title: | Proceedings of the European Conference on Artificial Intelligence | ||||
Official Date: | 2012 | ||||
Dates: |
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Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Conference Paper Type: | Paper | ||||
Title of Event: | European Conference on Artificial Intelligence | ||||
Type of Event: | Conference | ||||
Location of Event: | Montpellier, France | ||||
Date(s) of Event: | 27-31 Aug 2012 | ||||
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