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In this paper we address the domain of railway systems, and more particularly the problem of detecting risky areas along railroads. This requires that we consider a variety of static and dynamic variables, including train characteristics, hazardous events (e.g. rock-falls), and the properties of the large-scale geographic environment, as well as weather conditions. This simulation enables us to recommend speed limits in risky areas while taking into account all of the aforementioned factors. Since statistical and analytical models are not appropriate to represent such a complex process in which spatial constraints are of high importance, we adopted a multi-agent geo-simulation (MAGS) approach that facilitates the simulation of complex systems in large-scale geo-referenced environments. In this paper, we present Train-MAGS, an agent-based geo-simulation tool that simulates train behaviors in risky areas in large-scale virtual geographic environments. We also demonstrate how risky areas can be detected in real time using an agent-based approach. This work also illustrates how the application of artificial intelligence techniques, such as the MAGS approach, provides interesting perspectives of realistic and plausible simulations aimed at improving the functioning, the efficiency, and the safety of the transportation systems.<\/jats:p>","DOI":"10.1177\/0037549709359354","type":"journal-article","created":{"date-parts":[[2010,1,11]],"date-time":"2010-01-11T21:09:19Z","timestamp":1263244159000},"page":"763-775","source":"Crossref","is-referenced-by-count":5,"title":["Using Multi-agent Geo-simulation Techniques for the Detection of Risky Areas for Trains"],"prefix":"10.1177","volume":"86","author":[{"given":"Mehdi","family":"Mekni","sequence":"first","affiliation":[{"name":"Department of Computer Science and Software Engineering, Laval University Pavillon Adrien-Pouliot, 1065, av. de la M\u00e9decine, Local 3908, Qu\u00e9bec (QC) G1V 0A6, Canada,"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nabil","family":"Sahli","sequence":"additional","affiliation":[{"name":"Dhofar University P.O. Box 2509, Salalah, Sultanate of Oman,"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bernard","family":"Moulin","sequence":"additional","affiliation":[{"name":"Department of Computer Science and Software Engineering, Laval University Pavillon Adrien-Pouliot, 1065, av. de la M\u00e9decine, Local 3908, Qu\u00e9bec (QC) G1V 0A6, Canada,"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hedi","family":"Haddad","sequence":"additional","affiliation":[{"name":"Department of Computer Science and Software Engineering, Laval University Pavillon Adrien-Pouliot, 1065, av. de la M\u00e9decine, Local 3908, Qu\u00e9bec (QC) G1V 0A6, Canada,"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2010,1,11]]},"reference":[{"key":"atypb1","doi-asserted-by":"publisher","DOI":"10.1109\/HICSS.2000.926667"},{"key":"atypb2","volume-title":"International Conference on Autonomous Agents and Multiagent System Conference","author":"Perugini, D."},{"key":"atypb3","doi-asserted-by":"publisher","DOI":"10.1016\/j.dss.2004.06.001"},{"key":"atypb4","first-page":"42","author":"Gambardella, L.M.","year":"2000","journal-title":"The Maritime and Industrial Logistics Modelling and Simulation"},{"key":"atypb5","doi-asserted-by":"publisher","DOI":"10.1016\/S0968-090X(02)00030-X"},{"key":"atypb6","first-page":"1","year":"2005","journal-title":"Applications of Agent Technology in Traffic and Transportation"},{"key":"atypb7","volume-title":"Agent-based design of intermodal freight transportation system","author":"Zhu, K.","year":"1999"},{"issue":"5","key":"atypb8","doi-asserted-by":"crossref","first-page":"4","DOI":"10.1109\/MIS.2007.4338486","volume":"22","author":"Ingebretsen, M.","year":"2007","journal-title":"IEEE Intelligent Systems"},{"key":"atypb9","doi-asserted-by":"publisher","DOI":"10.1109\/HICSS.2000.926672"},{"key":"atypb10","doi-asserted-by":"publisher","DOI":"10.1287\/trsc.32.4.380"},{"key":"atypb11","volume-title":"Transportation Safety Board of Canada","year":"2007"},{"key":"atypb12","doi-asserted-by":"publisher","DOI":"10.1007\/3-540-28680-2_14"},{"key":"atypb13","doi-asserted-by":"publisher","DOI":"10.1016\/j.compenvurbsys.2004.01.002"},{"issue":"3","key":"atypb14","first-page":"117","volume":"50","author":"Prinz, R.","year":"2001","journal-title":"EisenbahnTechnische Rundschau"},{"key":"atypb15","volume-title":"Modell f\u00fcr die asynchrone Simulation des Betriebes in Teilen des Eisenbahnnetzes","author":"Schultze, K.","year":"1985"},{"key":"atypb16","first-page":"615","author":"Radtke, A.","year":"2004","journal-title":"Computers in Railways"},{"key":"atypb17","first-page":"45","author":"Nash, A.","year":"2004","journal-title":"Computers in Railways"},{"key":"atypb18","doi-asserted-by":"publisher","DOI":"10.1007\/s10489-008-0122-2"},{"key":"atypb19","doi-asserted-by":"publisher","DOI":"10.1207\/s15427633scc0401_5"},{"key":"atypb20","volume-title":"Proceedings of the Open Source Free Software GIS -GRASS users conference","author":"Saidi, A."},{"key":"atypb21","volume-title":"Proceedings of the 19th IASTED International Conference Modelling and Simulation (MS 2008)","author":"Salcido, A."},{"issue":"3","key":"atypb22","first-page":"19","volume":"43","author":"Leeuwen, E.V.","year":"2007","journal-title":"DISP"},{"key":"atypb23","doi-asserted-by":"publisher","DOI":"10.3166\/rig.13.375-395"},{"key":"atypb24","doi-asserted-by":"publisher","DOI":"10.1023\/A:1009820006075"},{"key":"atypb25","unstructured":"Walter, V. 1999. 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