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  • SAGE Publications  (13)
  • Murray, Alan T.  (13)
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  • SAGE Publications  (13)
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  • 1
    Online-Ressource
    Online-Ressource
    Introduction to the 40 Years of Maximal Coverage Special Issue
    SAGE Publications ; 2016
    In:  International Regional Science Review Vol. 39, No. 1 ( 2016-01), p. 3-4
    Details
    In: International Regional Science Review, SAGE Publications, Vol. 39, No. 1 ( 2016-01), p. 3-4
    Materialart: Online-Ressource
    ISSN: 0160-0176 , 1552-6925
    URL: Article
    DOI: 10.1177/0160017615589010
    Sprache: Englisch
    Verlag: SAGE Publications
    Publikationsdatum: 2016
    ZDB Id: 2011485-0
    SSG: 14
    Standort Signatur Einschränkungen Verfügbarkeit
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    Online-Ressource
  • 2
    Online-Ressource
    Online-Ressource
    Introduction to the ISOLDE X Special Issue
    SAGE Publications ; 2011
    In:  International Regional Science Review Vol. 34, No. 3 ( 2011-07), p. 283-284
    Details
    In: International Regional Science Review, SAGE Publications, Vol. 34, No. 3 ( 2011-07), p. 283-284
    Materialart: Online-Ressource
    ISSN: 0160-0176 , 1552-6925
    URL: Article
    DOI: 10.1177/0160017611403142
    Sprache: Englisch
    Verlag: SAGE Publications
    Publikationsdatum: 2011
    ZDB Id: 2011485-0
    SSG: 14
    Standort Signatur Einschränkungen Verfügbarkeit
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    Online-Ressource
  • 3
    Online-Ressource
    Online-Ressource
    Market Coverage and Service Quality in Digital Subscriber Lines Infrastructure Planning
    SAGE Publications ; 2011
    In:  International Regional Science Review Vol. 34, No. 3 ( 2011-07), p. 368-390
    Details
    In: International Regional Science Review, SAGE Publications, Vol. 34, No. 3 ( 2011-07), p. 368-390
    Kurzfassung: Digital subscriber lines (xDSL) belong to a family of technologies that provide the ability to transmit digital data over local telephone (copper) infrastructure. As the second most popular broadband platform in the United States, it is estimated that over twenty-five million xDSL lines are in service, capturing nearly 30 percent of the U.S. broadband market. While the service range of xDSL is somewhat limited, often extending to a maximum of 18,000 feet from a central office (CO), available bandwidth also decays as distance increases from the CO. As a result, there are often marked disparities in the quality of xDSL service within market areas. This article proposes a bi-objective location model for maximizing both service coverage and quality of coverage in siting digital subscriber line access multiplexers (DSLAMs). An application of the developed model highlights important implications for telecommunication policy.
    Materialart: Online-Ressource
    ISSN: 0160-0176 , 1552-6925
    URL: Article
    DOI: 10.1177/0160017610386479
    Sprache: Englisch
    Verlag: SAGE Publications
    Publikationsdatum: 2011
    ZDB Id: 2011485-0
    SSG: 14
    Standort Signatur Einschränkungen Verfügbarkeit
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    Online-Ressource
  • 4
    Online-Ressource
    Online-Ressource
    Evolving Regional Analytics in a Rural World
    SAGE Publications ; 2019
    In:  International Regional Science Review Vol. 42, No. 5-6 ( 2019-09), p. 374-399
    Details
    In: International Regional Science Review, SAGE Publications, Vol. 42, No. 5-6 ( 2019-09), p. 374-399
    Kurzfassung: Regions are important and invariably constitute largely rural areas. This being the case, it is interesting to find that the condition of being rural fluctuates significantly, especially in the United States, and is largely contingent upon federal definitions that consider population and proximity to metropolitan areas for delineating the geographic boundaries of a rural place. Variations in definitions, both nuanced and more substantial, make classification mutable for many communities but underlies the challenge for evaluating, understanding, and improving rural conditions. This is particularly true when conducting exploratory and confirmatory analysis based on indicators and methods that identify/monitor troubled rural areas as well as support assessment of aid programs and/or public policy. The purpose of this article is to review alternative definitions of rural within the context of interpretation that relies on indicators. This highlights a number of issues, as conditions of rural polymorphism make scientific assessment challenging in many ways. Empirical evidence of indicator impacts is offered through a study of the medically uninsured in the state of Kentucky, highlighting how this can alter planning and policy interpretation.
    Materialart: Online-Ressource
    ISSN: 0160-0176 , 1552-6925
    URL: Article
    DOI: 10.1177/0160017619827071
    Sprache: Englisch
    Verlag: SAGE Publications
    Publikationsdatum: 2019
    ZDB Id: 2011485-0
    SSG: 14
    Standort Signatur Einschränkungen Verfügbarkeit
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    Online-Ressource
  • 5
    Online-Ressource
    Online-Ressource
    Comparative Approaches for Assessing Network Vulnerability
    SAGE Publications ; 2008
    In:  International Regional Science Review Vol. 31, No. 1 ( 2008-01), p. 88-112
    Details
    In: International Regional Science Review, SAGE Publications, Vol. 31, No. 1 ( 2008-01), p. 88-112
    Kurzfassung: A common theme in analysis and evaluation of network-based critical infrastructure is the assessment of system vulnerability. Graph theoretic, simulation, and optimization-based techniques have played a significant role in examining potential network vulnerabilities given the insights they can provide for mitigating facility loss and prioritizing fortification efforts. Central to these approaches is the concept of facility (arc—node) importance or criticality to system survivability. Assessments of network vulnerability can dramatically differ based on how facility importance is characterized. In this review, various approaches for assessing facility importance and network vulnerability are examined. The key differences in these approaches are the ways in which a facility's role in maintaining network operability is evaluated given arc—node disruption. Comparative results suggest significant differences exist among measures of facility importance and network performance. Furthermore, the subsequent incongruities in these measures and their implications need to be clearly understood to support interdiction risk and vulnerability assessment for critical infrastructures.
    Materialart: Online-Ressource
    ISSN: 0160-0176 , 1552-6925
    URL: Article
    DOI: 10.1177/0160017607308679
    Sprache: Englisch
    Verlag: SAGE Publications
    Publikationsdatum: 2008
    ZDB Id: 2011485-0
    SSG: 14
    Standort Signatur Einschränkungen Verfügbarkeit
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    Online-Ressource
  • 6
    Online-Ressource
    Online-Ressource
    Maximal Coverage Location Problem : Impacts, Significance, and Evolution
    SAGE Publications ; 2016
    In:  International Regional Science Review Vol. 39, No. 1 ( 2016-01), p. 5-27
    Details
    In: International Regional Science Review, SAGE Publications, Vol. 39, No. 1 ( 2016-01), p. 5-27
    Kurzfassung: The maximal covering location problem was first introduced by Church and ReVelle in 1973 at the North American Regional Science Council meetings and subsequently published in Papers in Regional Science (formerly Papers of the Regional Science Association) in 1974. It has proven to be a seminal contribution to location analysis and modeling, in terms of both technical merit and practical significance. With more than 1,500 citations in the academic literature, it has truly stood the test of time and may actually be as relevant or more so today than when it was first presented/published. Not only is it the subject of broad application and extension, but it has also been integrated in a number of geographic information system–based commercial software packages, including ArcGIS and TransCAD, for general use. This article provides an overview of the maximal covering location problem, highlighting the use, application, solution, evolution, and extension of this important location analytic approach.
    Materialart: Online-Ressource
    ISSN: 0160-0176 , 1552-6925
    URL: Article
    DOI: 10.1177/0160017615600222
    Sprache: Englisch
    Verlag: SAGE Publications
    Publikationsdatum: 2016
    ZDB Id: 2011485-0
    SSG: 14
    Standort Signatur Einschränkungen Verfügbarkeit
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    Online-Ressource
  • 7
    Online-Ressource
    Online-Ressource
    Introduction to the ISOLDE XII Special Issue
    SAGE Publications ; 2014
    In:  International Regional Science Review Vol. 37, No. 2 ( 2014-04), p. 127-128
    Details
    In: International Regional Science Review, SAGE Publications, Vol. 37, No. 2 ( 2014-04), p. 127-128
    Materialart: Online-Ressource
    ISSN: 0160-0176 , 1552-6925
    URL: Article
    DOI: 10.1177/0160017614526884
    Sprache: Englisch
    Verlag: SAGE Publications
    Publikationsdatum: 2014
    ZDB Id: 2011485-0
    SSG: 14
    Standort Signatur Einschränkungen Verfügbarkeit
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    Online-Ressource
  • 8
    Online-Ressource
    Online-Ressource
    Locational Effectiveness of Clinics Providing Sexual and Reproductive Health Services to Women in Rural Mozambique
    SAGE Publications ; 2014
    In:  International Regional Science Review Vol. 37, No. 2 ( 2014-04), p. 172-193
    Details
    In: International Regional Science Review, SAGE Publications, Vol. 37, No. 2 ( 2014-04), p. 172-193
    Kurzfassung: Access to health facilities has long been considered an important factor, though not unique, impacting utilization of related health services. The location of health facilities is crucial for delivery of primary health care and social services. The identification of deficiencies in coverage as well as disadvantaged populations with limited access is essential for managing health resources. Using census, health care information and population survey data, this study examines women’s accessibility and utilization of sexual and reproductive health (SRH) services in rural Mozambique. Geographical information systems (GIS) and spatial analytical methods are employed to assess the configuration of SRH facilities. Insights are offered regarding access and accessibility, as well as strategies for managing future health resource allocation.
    Materialart: Online-Ressource
    ISSN: 0160-0176 , 1552-6925
    URL: Article
    DOI: 10.1177/0160017614524227
    Sprache: Englisch
    Verlag: SAGE Publications
    Publikationsdatum: 2014
    ZDB Id: 2011485-0
    SSG: 14
    Standort Signatur Einschränkungen Verfügbarkeit
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    Online-Ressource
  • 9
    Online-Ressource
    Online-Ressource
    Excess Commuting and the Modifiable Areal Unit Problem
    SAGE Publications ; 2002
    In:  Urban Studies Vol. 39, No. 1 ( 2002-01), p. 131-139
    Details
    In: Urban Studies, SAGE Publications, Vol. 39, No. 1 ( 2002-01), p. 131-139
    Kurzfassung: Excess commuting has emerged during the past two decades as an important construct for evaluating the spatial relationships between employment and residential locations. During this time-period, there has been an on-going debate regarding how one should measure excess commuting in urban regions. This paper contributes to the debate by focusing on the spatial issues inherent in excess commuting evaluation. We demonstrate how scale and unit definition (the modifiable areal unit problem) are manifested in the assessment of excess commuting, both in theoretical and empirical terms. To this end, a geographical information systems-based analysis is presented which explores spatial sensitivities in the excess commuting measure. Our results show that aggregation and spatial unit definition may have profound impacts on the estimation of excess commuting. This work provides a formal resolution to much of the recent debate regarding estimates of excess commuting in urban regions.
    Materialart: Online-Ressource
    ISSN: 0042-0980 , 1360-063X
    URL: Article
    DOI: 10.1080/00420980220099113
    Sprache: Englisch
    Verlag: SAGE Publications
    Publikationsdatum: 2002
    ZDB Id: 5372-7
    ZDB Id: 1482794-3
    SSG: 14
    SSG: 3,4
    Standort Signatur Einschränkungen Verfügbarkeit
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    Online-Ressource
  • 10
    Online-Ressource
    Online-Ressource
    Enhancing Classic Coverage Location Models
    SAGE Publications ; 2010
    In:  International Regional Science Review Vol. 33, No. 2 ( 2010-04), p. 115-133
    Details
    In: International Regional Science Review, SAGE Publications, Vol. 33, No. 2 ( 2010-04), p. 115-133
    Kurzfassung: An important area of regional science has long been location analysis and modeling. Its significance continues, now more formally known as location science, and has evolved because of the need to address complex facility siting problems and issues. This article focuses on classic coverage location problems, and how advances along theoretical and methodological fronts have enabled such problems to be viewed in new ways. Specifically, notions of implicit and explicit coverage, along with geographic information systems (GIS), provide the capacity to reconceptualize as well as better model intended planning goals and objectives. This article reviews covering problems and presents a comparative framework for both linkage and assessment. This research is significant because evolving models enable issues of frame independence, and the modifiable area unit problem, to be addressed, making planning and analysis more reliable and valuable.
    Materialart: Online-Ressource
    ISSN: 0160-0176 , 1552-6925
    URL: Article
    DOI: 10.1177/0160017609340149
    Sprache: Englisch
    Verlag: SAGE Publications
    Publikationsdatum: 2010
    ZDB Id: 2011485-0
    SSG: 14
    Standort Signatur Einschränkungen Verfügbarkeit
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    Online-Ressource
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