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Disaggregation in Bundle Methods: Application to the Train Timetabling Problem [article]

Abderrahman Ait Ali, Per Olov Lindberg, Jan-Eric Nilsson, Jonas Eliasson, Martin Aronsson
<span title="2017-02-27">2017</span> <i > arXiv </i> &nbsp; <span class="release-stage" >pre-print</span>
This paper focuses on solving a dual problem that arises from Lagrangian relaxation of a train timetabling optimization program. The dual problem is solved using bundle methods.  ...  Bundle methods are often used to solve dual problems that arise from Lagrangian relaxations of large scale optimization problems. An example of such problems is the train timetabling problem.  ...  This paper investigated the potential of a disaggregate approach to speed up the bundle based solution methods for the train timetable problem.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener" href="https://arxiv.org/abs/1702.08879v1">arXiv:1702.08879v1</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/skiuapiqorcujagrtuheie3sru">fatcat:skiuapiqorcujagrtuheie3sru</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20200925092001/https://arxiv.org/ftp/arxiv/papers/1702/1702.08879.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/d7/11/d7113fc90ce1f102bdcf4ab9e929bb3689c4ee24.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener" href="https://arxiv.org/abs/1702.08879v1" title="arxiv.org access"> <button class="ui compact blue labeled icon button serp-button"> <i class="file alternate outline icon"></i> arxiv.org </button> </a>

Railway Track Allocation - Simulation, Aggregation, and Optimization [chapter]

Ralf Borndörfer, Thomas Schlechte, Elmar Swarat
<span title="">2012</span> <i title="Springer Berlin Heidelberg"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/buexlaapefetfatuvtspxuwmve" style="color: black;">Lecture Notes in Electrical Engineering</a> </i> &nbsp;
Today the railway timetabling process and the track allocation is one of the most challenging problems to solve by a railway company.  ...  This leads to more potential conflicts between trains caused by an increasing demand of train paths.  ...  In case of a passenger railway undertaking the desired timetable to implement a given line plan induces train path requests, which is one input for the track allocation problem.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1007/978-3-642-27963-8_6">doi:10.1007/978-3-642-27963-8_6</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/7ucy2r7n3fbhjnc4xcgp66rh7a">fatcat:7ucy2r7n3fbhjnc4xcgp66rh7a</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20170809042517/https://opus4.kobv.de/opus4-zib/frontdoor/deliver/index/docId/1403/file/ZR-11-35.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/80/96/80960e34ab5f054c31232dd9c6dbc303a3d2d92a.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1007/978-3-642-27963-8_6"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> springer.com </button> </a>

Construction of Differentiated Periodic Freight Train Paths in Dense Mixed Traffic

Michal Drábek, Vít Janoš
<span title="2021-07-26">2021</span> <i title="MDPI AG"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/oglosmy3gbhuzobyjit4qalakq" style="color: black;">Sustainability</a> </i> &nbsp;
As a conclusion, the authors recommend reduction of service of the least frequent stops of regional trains to reduce number of scheduled stops for freight trains.  ...  The process considers fluctuations in demand for capacity from freight rail operators, so the quality of a freight train path in terms of number of stops is related with its construction priority.  ...  In the Materials and Methods section, the problem solved in the article is defined in a more detailed way.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.3390/su13158330">doi:10.3390/su13158330</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/ols4lxnhj5duddeyaly32zocgu">fatcat:ols4lxnhj5duddeyaly32zocgu</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20210804035728/https://res.mdpi.com/d_attachment/sustainability/sustainability-13-08330/article_deploy/sustainability-13-08330-v3.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/70/74/70742e166cea7ac4b1fc50bfe3919da98382adb8.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.3390/su13158330"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> mdpi.com </button> </a>

Dynamic Aggregation of Set-Partitioning Constraints in Column Generation

Issmail Elhallaoui, Daniel Villeneuve, François Soumis, Guy Desaulniers
<span title="">2005</span> <i title="Institute for Operations Research and the Management Sciences (INFORMS)"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/atonzevfefa2vdbi3do6ad2jda" style="color: black;">Operations Research</a> </i> &nbsp;
In fact, for an instance involving 1,600 set-partitioning constraints, the master problem solution time is reduced by a factor of 8.  ...  solution times, especially for larger problems.  ...  of the bundle methods idea.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1287/opre.1050.0222">doi:10.1287/opre.1050.0222</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/hdeytj664newfd3vsyhiwi5ada">fatcat:hdeytj664newfd3vsyhiwi5ada</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20170705110155/http://www2.imm.dtu.dk/courses/02735/aggregation_paper.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/55/fc/55fc14068025f8c9374a55a821eeb756c6057c7d.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1287/opre.1050.0222"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> Publisher / doi.org </button> </a>

The Role of Road Transport in Scheduled Air Cargo Networks

Florian Heinitz, Marcus Hirschberger, Christian Werstat
<span title="">2013</span> <i title="Elsevier BV"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/trfcnrckdvgftcxiz3i6lginty" style="color: black;">Procedia - Social and Behavioral Sciences</a> </i> &nbsp;
The distinguishing features of this approach are the O-D scope in combination with the explicit use of period timetables of a sample week, not just weekly averages.  ...  -of service regulation for truck driving, and the simulation of RFS load pattern in the context of a global air cargo model.  ...  Therefore, we assume the deployment of truck/trailer road trains for all containerized or palletized shipments.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.sbspro.2013.11.216">doi:10.1016/j.sbspro.2013.11.216</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/ncrga6yjuzhwbpl24agbxjdnoa">fatcat:ncrga6yjuzhwbpl24agbxjdnoa</a> </span>
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Scenarios and tools for shipment planning and asset optimization for logistics clusters networks

Florian Krietsch, Jürgen Stolz, Marc Verelst, Alice Benini, Milos Milenkovic, Dag Samuelsson
<span title="2019-12-19">2019</span> <i title="Zenodo"> Zenodo </i> &nbsp;
For that intermodal planning tools are developed and tested using real data.  ...  "For the potential analysis "virtual" intermodal services were introduced on lanes with major volumes.  ...  In general, this is known as a pickup and delivery problem with time windows (PDPTW). Consolidation The advantage of barges and trains compared to trucks are their mass capacity.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.5281/zenodo.3603264">doi:10.5281/zenodo.3603264</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/gbafcxy6nnannireadwnafwi3a">fatcat:gbafcxy6nnannireadwnafwi3a</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20200210230345/https://zenodo.org/record/3603265/files/D3.8%20Scenarios%20and%20tools%20for%20shipment%20planning%20and%20asset%20optimization%20for%20logistics%20clusters%20networks.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/9b/cd/9bcda1389068f454407ec3a00df3cde14e0d7c14.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.5281/zenodo.3603264"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> zenodo.org </button> </a>

"When it comes to time of removal, nothing is straightforward": A qualitative study of experiences with barriers to removal of long-acting reversible contraception in Western Kenya

Laura E. Britton, Caitlin R. Williams, Dickens Onyango, Debborah Wambua, Katherine Tumlinson
<span title="2021-03-22">2021</span> <i title="Elsevier BV"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/kqb2iauojndx3j4sumw77cpygu" style="color: black;">Contraception: X</a> </i> &nbsp;
Women were reluctant to try LARC for fear of having to use the method for its entire lifespan even if they did not like it.  ...  We used a qualitative descriptive approach with conventional content analysis to analyze transcripts for content and themes from eight focus group discussions (n = 55 participants) and one client journey  ...  Acknowledgments We thank Tara Casebolt for her research assistance and Lilian Odhoch for her coding assistance.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.conx.2021.100063">doi:10.1016/j.conx.2021.100063</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/33912827">pmid:33912827</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC8063731/">pmcid:PMC8063731</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/upk666chc5ckfatknrvm3iamta">fatcat:upk666chc5ckfatknrvm3iamta</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20210527082745/http://europepmc.org/backend/ptpmcrender.fcgi?accid=PMC8063731&amp;blobtype=pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/87/7f/877fa3cceea4fdcc363619529c220a31dc05c64c.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.conx.2021.100063"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> elsevier.com </button> </a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8063731" title="pubmed link"> <button class="ui compact blue labeled icon button serp-button"> <i class="file alternate outline icon"></i> pubmed.gov </button> </a>

A review of public transport economics

Daniel Hörcher, Alejandro Tirachini
<span title="">2021</span> <i title="Elsevier BV"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/de5rkp4nl5f3pftwvx7lnufkty" style="color: black;">Economics of Transportation</a> </i> &nbsp;
With a strong methodological orientation, it collects, classifies, and compares the frequently used analytical modelling techniques, thus providing a cookbook for future research and learning efforts.  ...  A B S T R A C T Public transport provision requires substantial organisational efforts, careful planning, financial contributions from the public, and coordination between millions of passengers and staff  ...  The dial-a-ride problem (DARP) in operations research covers various optimisation techniques for the derivation of supply in a general FTS, focusing primarily on capacity, route planning and timetabling  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.ecotra.2021.100196">doi:10.1016/j.ecotra.2021.100196</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/qospdhlmo5fw5lf7xfldd6phbe">fatcat:qospdhlmo5fw5lf7xfldd6phbe</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20210717051612/https://spiral.imperial.ac.uk:8443/bitstream/10044/1/88249/7/1-s2.0-S2212012221000010-main.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/40/89/4089f04c06cb27d00ef33167523c2165d468f127.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.ecotra.2021.100196"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> elsevier.com </button> </a>

An Annotated Bibliography of Personnel Scheduling and Rostering

A.T. Ernst, H. Jiang, M. Krishnamoorthy, B. Owens, D. Sier
<span title="">2004</span> <i title="Springer Nature"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/kov3rwzipzf2dmxyohqwfpxrsm" style="color: black;">Annals of Operations Research</a> </i> &nbsp;
We classify these papers according to the type of problem addressed, the application areas covered and the methods used. In addition, a short summary is provided for each paper.  ...  Computational methods for rostering and personnel scheduling has been a subject of continued research and commercial interest since the 1950s.  ...  "Still Another Solution Method for the Monthly Aircrew Assignment Problem." In 1979 AGIFORS Symposium Proceedings, Vol. 19, pp. 143-203. Notes.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1023/b:anor.0000019087.46656.e2">doi:10.1023/b:anor.0000019087.46656.e2</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/knk5qcsffng4ppfcu3dy3owuzy">fatcat:knk5qcsffng4ppfcu3dy3owuzy</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20200321055752/http://www3.eng.cam.ac.uk/~hj231/Papers/AORRosteringPaper.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/ab/29/ab29e635bc973ef5672d3ad5769cf52a3f0be5b7.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1023/b:anor.0000019087.46656.e2"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> Publisher / doi.org </button> </a>

Identifying transport policy gaps in student travel demand management in South Africa

Ofentse H. Mokwena, Mark Zuidgeest
<span title="2020-11-26">2020</span> <i title="AOSIS"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/ppo5k3vuhjaptiqksioivj6oo4" style="color: black;">Journal of Transport and Supply Chain Management</a> </i> &nbsp;
The primary limit of this study was that it is a policy review, relying heavily on secondary data to set the scene for future research.  ...  managing travel demand for university precincts; and (3) there is a need to reform the mobility and access policies for university precincts in South Africa (SA).Conclusion: In essence, the literature  ...  They also thank the Education, Training and Development Practices Sector Education and Training Authority (ETDP-SETA) for funding the last year of the Masters programme leading up to this study.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.4102/jtscm.v14i0.522">doi:10.4102/jtscm.v14i0.522</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/ipqmgw6fk5eo5omidpvssqywwi">fatcat:ipqmgw6fk5eo5omidpvssqywwi</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20201129191650/https://jtscm.co.za/index.php/jtscm/article/download/522/969" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/84/96/8496f8f0223026e5cd77553d7d2990dfd3379f86.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.4102/jtscm.v14i0.522"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> Publisher / doi.org </button> </a>

The 'Four Dimensions of Behaviour' framework: a tool for characterising behaviours to help design better interventions

Tim Chatterton, Charlie Wilson
<span title="2013-10-29">2013</span> <i title="Informa UK Limited"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/kedhhcncojd3dnapsorytwvh34" style="color: black;">Transportation planning and technology (Print)</a> </i> &nbsp;
The authors would also like to thank the contributions of the government department steering groups for helping test and refine the framework: Adam Cooper (DECC), Liz O'Brien and Lee Davis (Defra) and  ...  or aspects of a problem.  ...  on the use of randomised control trials as a standardised method for compiling an evidence base on the effectiveness of behavioural interventions.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1080/03081060.2013.850257">doi:10.1080/03081060.2013.850257</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/hmrxgvdunraj3lxnot7wk3jzaa">fatcat:hmrxgvdunraj3lxnot7wk3jzaa</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20171001040910/https://core.ac.uk/download/pdf/18304029.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/97/f7/97f781878151612f5e8fa6b0033c9ec4f1970c84.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1080/03081060.2013.850257"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> tandfonline.com </button> </a>

Half Space [chapter]

<span title="">2013</span> <i title="Springer US"> Encyclopedia of Operations Research and Management Science </i> &nbsp;
Hax (1977, 1981) proposed the following model for family disaggregation which has to be solved for every product type i and gives rise to a continuous knapsack problem: Problem P i Minimize X j2J 0 s  ...  There are several reasons for employing heuristics when facing an optimization problem: • The problem is such that no exact solution method is known for it. • Known exact solution methods are computationally  ...  bundled payment structures.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1007/978-1-4419-1153-7_200280">doi:10.1007/978-1-4419-1153-7_200280</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/tsbchwl7wbcetpw7lcyj2g2phu">fatcat:tsbchwl7wbcetpw7lcyj2g2phu</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20180723213414/https://link.springer.com/content/pdf/10.1007%2F978-1-4419-1153-7_200280.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/ac/59/ac593d6c396aa4df2d11e1dc317861ffefd45093.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1007/978-1-4419-1153-7_200280"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> springer.com </button> </a>

A dynamic stochastic model for evaluating congestion and crowding effects in transit systems

Oded Cats, Jens West, Jonas Eliasson
<span title="">2016</span> <i title="Elsevier BV"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/hcvt4mmksncknkcahbawlztjni" style="color: black;">Transportation Research Part B: Methodological</a> </i> &nbsp;
This study develops a method to capture the benefits of increased capacity by using a dynamic and stochastic transit assignment model.  ...  The model is embedded in a comprehensive framework for project appraisal.  ...  Acknowledgements Funding for the Nacka case study from the Stockholm Public Transport Agency is gratefully acknowledged. References Algers, S., Daly, A., Kjellman, P., Widlert, S., 1996.  ... 
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Railway Track Allocation: Models and Algorithms [article]

Thomas Schlechte, Technische Universität Berlin, Technische Universität Berlin, Martin Grötschel
<span title="2012-02-15">2012</span>
This track allocation problem is a major challenge for a railway company, independent of whether a free market, a private monopoly, or a public monopoly is given.  ...  A train has to reserve infrastructure blocks for some time to pass through. Two trains reserving the same block of the infrastructure within the same point in time is called block conflict.  ...  Grötschel for having given me the possibility to stay at the Zuse Institute Berlin after writing my diploma thesis. Thank you for the trust and the freedom during these past years.  ... 
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Managing heterogeneous traffic on rail freight networks incorporating the logistics needs of market segments

<span title="">1997</span> <i title="Elsevier BV"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/cvj6brvyynhtzg5ljr2zgz72ii" style="color: black;">Transportation Research Part A: Policy and Practice</a> </i> &nbsp;
Each train capacity functions as a "bundle constraint" that limits the total number of cars in blocks that are connected to the train.  ...  ., train cost, train and car delay cost, track cost, etc.) are good examples of common cost. For this study, a heuristic method was used for cost allocation.  ...  Appendix B Input Data for Dynamic Freight Car Routing and Scheduling Model This Appendix describes the train schedule, blocking plan, make-up plan, and O-D demand information that are major inputs to  ... 
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