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Repositioning of distinguishable urban service units on networks

Computers & operations research, 1981, Vol.8 (2), p.105-118 [Peer Reviewed Journal]

1981 ;Copyright Pergamon Press Inc. 1981 ;ISSN: 0305-0548 ;EISSN: 1873-765X ;DOI: 10.1016/0305-0548(81)90038-1 ;CODEN: CMORAP

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  • Title:
    Repositioning of distinguishable urban service units on networks
  • Author: Berman, Oded
  • Subjects: Decision theory ; Emergencies ; Location analysis ; Networks ; Operations research ; Queuing theory ; Servers ; Services ; Stochastic models ; Urban
  • Is Part Of: Computers & operations research, 1981, Vol.8 (2), p.105-118
  • Description: This paper examines the problem of repositioning mobile emergency service units on the urban Transportation network. Repositioning problems deal with real-time movements of available servers to better anticipate short-term future requests for service. It is assumed in the paper that q nodes of the network are designated as “home locations” for q distinguishable units. Depending on the status of other servers (busy or available), any particular available server can be moved to other locations (not necessarily home locations) in the network. Using Markovian Decision Theory, the policy space consists of decisions on where and when to move servers for any possible state. The paper includes an analysis of two cases based on the quality of information on the real-time location of non-stationary service units. In one case the assumption is that the dispatcher has perfect information whereas that in the other one it is assumed that no such information is available. The objective is to find the repositioning policy which minimizes the expected cost of operating the system in the long term.
  • Publisher: New York: Elsevier Ltd
  • Language: English
  • Identifier: ISSN: 0305-0548
    EISSN: 1873-765X
    DOI: 10.1016/0305-0548(81)90038-1
    CODEN: CMORAP
  • Source: Alma/SFX Local Collection
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