{"id":"https://openalex.org/W37099785","doi":null,"title":"Improvement of Decision Support System for Rail Depot Planning","display_name":"Improvement of Decision Support System for Rail Depot Planning","publication_year":2013,"publication_date":"2013-01-01","ids":{"openalex":"https://openalex.org/W37099785","mag":"37099785"},"language":"en","primary_location":{"id":"mag:37099785","doi":null,"is_oa":false,"landing_page_url":"https://odr.chalmers.se/bitstream/20.500.12380/173945/1/173945.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"volume":null,"type":"dissertation","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5086231384","display_name":"Berkay Beygo","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Berkay Beygo","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5086231384"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11568","display_name":"Railway Systems and Energy Efficiency","score":0.9868000149726868,"subfield":{"id":"https://openalex.org/subfields/3313","display_name":"Transportation"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T11568","display_name":"Railway Systems and Energy Efficiency","score":0.9868000149726868,"subfield":{"id":"https://openalex.org/subfields/3313","display_name":"Transportation"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10567","display_name":"Vehicle Routing Optimization Methods","score":0.004800000227987766,"subfield":{"id":"https://openalex.org/subfields/2209","display_name":"Industrial and Manufacturing Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12401","display_name":"Scheduling and Timetabling Solutions","score":0.0013000000035390258,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/shunting","display_name":"shunting","score":0.7139999866485596},{"id":"https://openalex.org/keywords/decision-support-system","display_name":"decision support system","score":0.8289999961853027},{"id":"https://openalex.org/keywords/mixed-integer-programming","display_name":"mixed integer programming","score":0.6439999938011169},{"id":"https://openalex.org/keywords/set-partitioning-problem","display_name":"set partitioning","score":0.7829999923706055},{"id":"https://openalex.org/keywords/driver-scheduling","display_name":"driver scheduling","score":0.8880000114440918},{"id":"https://openalex.org/keywords/np-hardness","display_name":"NP-hardness","score":0.5730000138282776}],"concepts":[{"id":"https://openalex.org/C190839683","wikidata":"https://www.wikidata.org/wiki/Q2448197","display_name":"Train","level":2,"score":0.6367608308792114},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.6181017160415649},{"id":"https://openalex.org/C42475967","wikidata":"https://www.wikidata.org/wiki/Q194292","display_name":"Operations research","level":1,"score":0.5578219890594482},{"id":"https://openalex.org/C206729178","wikidata":"https://www.wikidata.org/wiki/Q2271896","display_name":"Scheduling (production processes)","level":2,"score":0.5464767217636108},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.45737528800964355},{"id":"https://openalex.org/C21547014","wikidata":"https://www.wikidata.org/wiki/Q1423657","display_name":"Operations management","level":1,"score":0.25548404455184937},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.15991634130477905},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.0},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:37099785","doi":null,"is_oa":false,"landing_page_url":"https://odr.chalmers.se/bitstream/20.500.12380/173945/1/173945.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Industry, innovation and infrastructure","score":0.7207000255584717,"id":"https://metadata.un.org/sdg/9"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":38,"referenced_works":["https://openalex.org/W47957325","https://openalex.org/W1021654294","https://openalex.org/W1491518252","https://openalex.org/W1531162979","https://openalex.org/W1545742906","https://openalex.org/W1581186743","https://openalex.org/W1595318053","https://openalex.org/W1685733366","https://openalex.org/W1983616459","https://openalex.org/W2061738696","https://openalex.org/W2095695954","https://openalex.org/W2104914791","https://openalex.org/W2106378689","https://openalex.org/W2110951544","https://openalex.org/W2112981414","https://openalex.org/W2118991613","https://openalex.org/W2119852447","https://openalex.org/W2122696108","https://openalex.org/W2146333376","https://openalex.org/W2148914133","https://openalex.org/W2158731007","https://openalex.org/W2188587094","https://openalex.org/W2277579395","https://openalex.org/W2282578582","https://openalex.org/W2425644022","https://openalex.org/W2519510391","https://openalex.org/W2521321367","https://openalex.org/W2551488436","https://openalex.org/W2751335644","https://openalex.org/W2770664083","https://openalex.org/W2809462366","https://openalex.org/W3079063442","https://openalex.org/W3123061332","https://openalex.org/W3194466821","https://openalex.org/W3196153281","https://openalex.org/W3202531429","https://openalex.org/W4200026682","https://openalex.org/W4200521668"],"related_works":["https://openalex.org/W4411051184","https://openalex.org/W4395094562","https://openalex.org/W211626117","https://openalex.org/W134163706","https://openalex.org/W6980241899","https://openalex.org/W2283693819","https://openalex.org/W2623418770","https://openalex.org/W2997124273","https://openalex.org/W2135087982","https://openalex.org/W2508018820"],"abstract_inverted_index":{"The":[0,187,342,354],"thesis":[1,92],"is":[2,33,40,93,168,214,241,344,362],"implementing":[3],"an":[4,329],"improvement":[5],"for":[6,23,122,160,181,196,220,323,364],"the":[7,21,24,44,50,77,81,88,91,101,106,108,113,131,134,138,145,151,165,178,201,209,218,227,233,250,258,269,278,283,286,292,298,305,311,320,336,358,367,373,382,393,397],"depot":[8,29],"planning":[9,30],"decision":[10,333],"support":[11],"system":[12,46,147,384],"at":[13,115,149,192,261,351,391],"DSB":[14,236,262,352],"S-tog":[15],"(Danish":[16],"State":[17],"Railways":[18],"S-train).":[19],"In":[20,43],"literature,":[22,86],"sake":[25],"of":[26,80,90,103,133,140,203,211,247,252,264,285,317,332,366,404],"tractability,":[27],"rail":[28],"(shunt":[31],"planning)":[32],"divided":[34,49],"into":[35,52,231],"different":[36],"sub-problems":[37],"and":[38,56,61,87,100,125,137,153,164,254,300,346,369,385],"each":[39,182,197,324],"solved":[41,157,390],"independently.":[42],"Jeppesen":[45],"we":[47],"have":[48],"problem":[51,60,67,109,167,219],"following":[53],"sub-problems:":[54],"Composition":[55],"rotation":[57,154],"steps,":[58],"parking":[59,66,112,166],"driver":[62],"scheduling.":[63],"\nThe":[65],"which":[68,118,176,326,376],"was":[69,74],"proved":[70],"to":[71,216,310,328,348,379],"be":[72,120,389],"NP-Hard":[73],"seen":[75],"as":[76,170,340],"hardest":[78],"step":[79],"overall":[82],"plan":[83],"in":[84,105,175,208,249,291,297,307,400],"some":[85,221,288,301],"focus":[89],"on":[94,111],"that":[95,243,267,357],"problem.":[96],"Given":[97],"a":[98,123,171,238,274,401],"timetable":[99],"specifications":[102],"trains":[104,114,253,270],"timetable,":[107],"focuses":[110],"shunt":[116,135,141,198,255,259],"tracks":[117,260],"will":[119,126],"idle":[121],"while":[124],"operate":[127],"later":[128],"by":[129,229,381],"considering":[130],"topology":[132],"yard":[136],"demands":[139],"planners.":[142],"\nIn":[144,226],"current":[146,188,312,383],"used":[148],"Jeppesen,":[150],"composition":[152],"steps":[155],"are":[156,184,263,294,338],"quite":[158],"efficiently":[159],"real":[161,222],"life":[162,223],"instances,":[163,375],"modeled":[169,339],"Set":[172],"Partitioning":[173],"Problem":[174],"all":[177,282,319,335],"feasible":[179,204,321],"assignments":[180,205,322],"track":[183,325],"generated":[185],"explicitly.":[186],"model":[189,240,280,313,343,361,395],"then":[190],"chooses":[191],"most":[193,365],"one":[194],"assignment":[195],"track.":[199],"Since":[200],"number":[202,210,246,251,331],"grows":[206],"exponentially":[207],"trains,":[212],"it":[213],"hard":[215,378],"solve":[217,380],"cases.":[224],"thesis,":[228],"taking":[230],"consideration":[232],"requirements":[234,284,337],"from":[235,304],"S-tog,":[237],"MIP":[239,360,394],"developed":[242],"has":[244],"polynomial":[245],"variables":[248],"tracks.":[256],"All":[257],"type":[265],"LIFO":[266],"allows":[268],"get":[271],"in/out":[272],"using":[273],"single":[275],"end.":[276],"Although":[277],"new":[279,359],"satisfies":[281],"customer,":[287],"extensions":[289,302],"existing":[290],"literature":[293],"not":[295,388],"included":[296],"system,":[299],"differ":[303],"ones":[306],"literature.":[308],"Compared":[309],"being":[314],"used,":[315],"instead":[316],"generating":[318],"leads":[327],"exponential":[330],"variables,":[334],"constraints.":[341],"tested":[345],"applied":[347],"6":[349],"depots":[350],"S-tog.":[353],"results":[355],"show":[356],"superior":[363],"small":[368],"medium":[370],"instances.":[371],"For":[372],"larger":[374],"were":[377],"sometimes":[386],"could":[387],"all,":[392],"finds":[396],"optimal":[398],"solutions":[399],"reasonable":[402],"amount":[403],"time.":[405]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2026-10-16T09:59:22.235173","created_date":"2016-06-24T00:00:00"}
