The dynamics of iterated transportation simulations

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Transportation-related decisions of people often depend on what everybody else is doing. For example, decisions about mode choice, route choice, activity scheduling, etc., can depend on congestion, caused by the aggregated behavior of others. From a conceptual viewpoint, this consistency problem causes a deadlock, since nobody can start planning because they do not know what everybody else is doing. It is the process of iterations that is examined in this paper as a method for solving the problem. In this paper, the authors concentrate on the aspect of the iterative process that is probably the most important one from a ... continued below

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16 p.

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Nagel, K.; Rickert, M. & Simon, P.M. December 1, 1998.

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Description

Transportation-related decisions of people often depend on what everybody else is doing. For example, decisions about mode choice, route choice, activity scheduling, etc., can depend on congestion, caused by the aggregated behavior of others. From a conceptual viewpoint, this consistency problem causes a deadlock, since nobody can start planning because they do not know what everybody else is doing. It is the process of iterations that is examined in this paper as a method for solving the problem. In this paper, the authors concentrate on the aspect of the iterative process that is probably the most important one from a practical viewpoint, and that is the ``uniqueness`` or ``robustness`` of the results. Also, they define robustness more in terms of common sense than in terms of a mathematical formalism. For this, they do not only want a single iterative process to converge, but they want the result to be independent of any particular implementation. The authors run many computational experiments, sometimes with variations of the same code, sometimes with totally different code, in order to see if any of the results are robust against these changes.

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16 p.

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OSTI as DE99000748

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  • TRISTAN III, San Juan (Puerto Rico), 17-23 Jun 1998

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  • Other: DE99000748
  • Report No.: LA-UR--98-2168
  • Report No.: CONF-9806150--
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 296895
  • Archival Resource Key: ark:/67531/metadc678367

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  • December 1, 1998

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  • July 25, 2015, 2:20 a.m.

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  • June 22, 2016, 7:05 p.m.

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Nagel, K.; Rickert, M. & Simon, P.M. The dynamics of iterated transportation simulations, article, December 1, 1998; New Mexico. (digital.library.unt.edu/ark:/67531/metadc678367/: accessed July 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.