PerezDragicevicWhite2013

Référence

Perez, L., Dragicevic, S., White, R. (2013) Model testing and assessment: Perspectives from a swarm intelligence, agent-based model of forest insect infestations. Computers, Environment and Urban Systems, 39:121-135. (Scopus )

Résumé

Model testing procedures represent a major challenge in the development of agent-based models (ABMs). However, they are required stages for a model to be accepted and to serve as a forecasting, management or decision-making tool. This study presents a comprehensive approach for testing ForestSimMPB, an agent-based model (ABM) designed to simulate mountain pine beetle (MPB), Dendroctonus ponderosae Hopkins, outbreaks at the scale of individual trees. ForestSimMPB is a complex system model that is using swarming intelligence, capable to represent individuals' behaviours and spatial interactions that influence their surrounding environment. Swarm Intelligence (SI) methods are integrated into the ABM in order to reproduce the collective reasoning and indirect communication of autonomous agents representing MPB behaviour within the forest environment. Model testing approach consist of verification, calibration, sensitivity analysis, validation and qualification stages. Model testing is accomplished by simulating MPB infestations using both the ForestSimMPB model and a Random-ABM model that serves as a null model. Outcomes comparison and assessment are performed using raster-based techniques as well as spatial metrics. Aerial photographs of the British Columbia, Canada study sites are used in this model testing approach. Results indicate that ForestSimMPB model representations of MPB outbreaks are more similar than Random model representations to the spatial distribution of MPB-dead trees. © 2012 Elsevier Ltd.

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@ARTICLE { PerezDragicevicWhite2013,
    AUTHOR = { Perez, L. and Dragicevic, S. and White, R. },
    TITLE = { Model testing and assessment: Perspectives from a swarm intelligence, agent-based model of forest insect infestations },
    JOURNAL = { Computers, Environment and Urban Systems },
    YEAR = { 2013 },
    VOLUME = { 39 },
    PAGES = { 121-135 },
    ABSTRACT = { Model testing procedures represent a major challenge in the development of agent-based models (ABMs). However, they are required stages for a model to be accepted and to serve as a forecasting, management or decision-making tool. This study presents a comprehensive approach for testing ForestSimMPB, an agent-based model (ABM) designed to simulate mountain pine beetle (MPB), Dendroctonus ponderosae Hopkins, outbreaks at the scale of individual trees. ForestSimMPB is a complex system model that is using swarming intelligence, capable to represent individuals' behaviours and spatial interactions that influence their surrounding environment. Swarm Intelligence (SI) methods are integrated into the ABM in order to reproduce the collective reasoning and indirect communication of autonomous agents representing MPB behaviour within the forest environment. Model testing approach consist of verification, calibration, sensitivity analysis, validation and qualification stages. Model testing is accomplished by simulating MPB infestations using both the ForestSimMPB model and a Random-ABM model that serves as a null model. Outcomes comparison and assessment are performed using raster-based techniques as well as spatial metrics. Aerial photographs of the British Columbia, Canada study sites are used in this model testing approach. Results indicate that ForestSimMPB model representations of MPB outbreaks are more similar than Random model representations to the spatial distribution of MPB-dead trees. © 2012 Elsevier Ltd. },
    ADDRESS = { Department of Geography, Memorial University of Newfoundland, St. John's, NL, Canada },
    COMMENT = { Export Date: 18 February 2014 Source: Scopus },
    KEYWORDS = { Agent-based models, Calibration, Swarm intelligence, Validation, Verification },
    OWNER = { Luc },
    TIMESTAMP = { 2014.02.18 },
    URL = { http://www.scopus.com/inward/record.url?eid=2-s2.0-84877629907&partnerID=40&md5=07e3004e4196e930ab827477c298e4eb },
}

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