{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,22]],"date-time":"2026-01-22T00:54:01Z","timestamp":1769043241687,"version":"3.49.0"},"reference-count":15,"publisher":"Elsevier BV","issue":"2","license":[{"start":{"date-parts":[[1981,1,1]],"date-time":"1981-01-01T00:00:00Z","timestamp":347155200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Computers & Operations Research"],"published-print":{"date-parts":[[1981,1]]},"DOI":"10.1016\/0305-0548(81)90038-1","type":"journal-article","created":{"date-parts":[[2003,6,30]],"date-time":"2003-06-30T12:15:45Z","timestamp":1056975345000},"page":"105-118","source":"Crossref","is-referenced-by-count":33,"title":["Repositioning of distinguishable urban service units on networks"],"prefix":"10.1016","volume":"8","author":[{"given":"Oded","family":"Berman","sequence":"first","affiliation":[]}],"member":"78","reference":[{"key":"10.1016\/0305-0548(81)90038-1_BIB1","doi-asserted-by":"crossref","unstructured":"O. Berman, R. C. Larson and A. R. Odoni, Development in network location with mobile and congested facilities. European J. Ops Res. (To appear).","DOI":"10.1016\/0377-2217(81)90196-X"},{"key":"10.1016\/0305-0548(81)90038-1_BIB2","article-title":"Dispatching service units on networks using perfect real time location information","author":"Berman","year":"1979"},{"key":"10.1016\/0305-0548(81)90038-1_BIB3","article-title":"The congested median problem","author":"Berman","year":"1978"},{"key":"10.1016\/0305-0548(81)90038-1_BIB4","article-title":"Dynamic repositioning of indistinguishable service units on transportation networks","author":"Berman","year":"1979"},{"key":"10.1016\/0305-0548(81)90038-1_BIB5","series-title":"Proc. Int. Conf. Cybernetics and Society sponsored by IEEE Systems, Man and Cybernetics Society","first-page":"322","article-title":"Repositioning of two distinguishable service vehicles on networks","author":"Berman","year":"1979"},{"key":"10.1016\/0305-0548(81)90038-1_BIB6","first-page":"1922","article-title":"An extension of Erlang's formulas which distinguishes individual servers","author":"Chaiken","year":"1972","journal-title":"J. Appl. Probability"},{"key":"10.1016\/0305-0548(81)90038-1_BIB7","doi-asserted-by":"crossref","first-page":"450","DOI":"10.1287\/opre.12.3.450","article-title":"Optimum distribution of switching centers and absolute centers and medians of a graph","volume":"12","author":"Hakimi","year":"1964","journal-title":"Op. Res."},{"key":"10.1016\/0305-0548(81)90038-1_BIB8","doi-asserted-by":"crossref","first-page":"462","DOI":"10.1287\/opre.13.3.462","article-title":"Optimum distribution of switching center on a communications network and some related graph theoretic problems","volume":"13","author":"Hakimi","year":"1965","journal-title":"Op. Res."},{"key":"10.1016\/0305-0548(81)90038-1_BIB9","doi-asserted-by":"crossref","first-page":"223","DOI":"10.1287\/trsc.11.3.223","article-title":"The accuracy of estimates for the performance criteria on certain emergency service queueing systems","volume":"11","author":"Halpern","year":"1977","journal-title":"Transp. Sci."},{"key":"10.1016\/0305-0548(81)90038-1_BIB10","series-title":"Dynamic Programming and Markov Processes","author":"Howard","year":"1960"},{"key":"10.1016\/0305-0548(81)90038-1_BIB11","series-title":"Innovative Resource Planning Project in Urban Public Systems","article-title":"Optimization in stochastic service systems with distinguishable servers","author":"Jarvis","year":"1975"},{"key":"10.1016\/0305-0548(81)90038-1_BIB12","article-title":"An algorithm for the dynamic relocation of fire companies","author":"Kolesar","year":"1972","journal-title":"NYC Rand Institute R-1023-NYC"},{"key":"10.1016\/0305-0548(81)90038-1_BIB13","doi-asserted-by":"crossref","first-page":"67","DOI":"10.1016\/0305-0548(74)90076-8","article-title":"A hypercube queueing model for facility location and redistricting urban emergency services","volume":"1","author":"Larson","year":"1974","journal-title":"Comput. Ops Res."},{"key":"10.1016\/0305-0548(81)90038-1_BIB14","article-title":"Computer program for computing the performance of urban emergency service systems","author":"Larson","year":"1975"},{"key":"10.1016\/0305-0548(81)90038-1_BIB15","article-title":"Stochastic Models for Emergency Service Systems","author":"Wrightson","year":"1975"}],"container-title":["Computers & Operations Research"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0305054881900381?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0305054881900381?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2019,3,18]],"date-time":"2019-03-18T12:28:15Z","timestamp":1552912095000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/0305054881900381"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1981,1]]},"references-count":15,"journal-issue":{"issue":"2","published-print":{"date-parts":[[1981,1]]}},"alternative-id":["0305054881900381"],"URL":"https:\/\/doi.org\/10.1016\/0305-0548(81)90038-1","relation":{},"ISSN":["0305-0548"],"issn-type":[{"value":"0305-0548","type":"print"}],"subject":[],"published":{"date-parts":[[1981,1]]}}}