乐胖代购免代理版

{"id":"https://openalex.org/W4386289075","doi":"https://doi.org/10.1287/trsc.2022.0198","title":"ULTRA: Unlimited Transfers for Efficient Multimodal Journey Planning","display_name":"ULTRA: Unlimited Transfers for Efficient Multimodal Journey Planning","publication_year":2023,"publication_date":"2023-08-30","ids":{"openalex":"https://openalex.org/W4386289075","doi":"https://doi.org/10.1287/trsc.2022.0198"},"language":"en","primary_location":{"is_oa":false,"landing_page_url":"https://doi.org/10.1287/trsc.2022.0198","pdf_url":null,"source":{"id":"https://openalex.org/S130252234","display_name":"Transportation Science","issn_l":"0041-1655","issn":["0041-1655","1526-5447"],"is_oa":false,"is_in_doaj":false,"is_indexed_in_scopus":true,"is_core":true,"host_organization":"https://openalex.org/P4310315699","host_organization_name":"Institute for Operations Research and the Management Sciences","host_organization_lineage":["https://openalex.org/P4310315699"],"host_organization_lineage_names":["Institute for Operations Research and the Management Sciences"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false},"type":"article","type_crossref":"journal-article","indexed_in":["crossref"],"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/A5071999119","display_name":"Moritz Baum","orcid":null},"institutions":[{"id":"https://openalex.org/I102335020","display_name":"Karlsruhe Institute of Technology","ror":"https://ror.org/04t3en479","country_code":"DE","type":"funder","lineage":["https://openalex.org/I102335020","https://openalex.org/I1305996414"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Moritz Baum","raw_affiliation_strings":["Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany"],"affiliations":[{"raw_affiliation_string":"Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany","institution_ids":["https://openalex.org/I102335020"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012490728","display_name":"Valentin Buchhold","orcid":null},"institutions":[{"id":"https://openalex.org/I102335020","display_name":"Karlsruhe Institute of Technology","ror":"https://ror.org/04t3en479","country_code":"DE","type":"funder","lineage":["https://openalex.org/I102335020","https://openalex.org/I1305996414"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Valentin Buchhold","raw_affiliation_strings":["Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany"],"affiliations":[{"raw_affiliation_string":"Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany","institution_ids":["https://openalex.org/I102335020"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102854350","display_name":"Jonas Sauer","orcid":"https://orcid.org/0000-0002-7196-7468"},"institutions":[{"id":"https://openalex.org/I102335020","display_name":"Karlsruhe Institute of Technology","ror":"https://ror.org/04t3en479","country_code":"DE","type":"funder","lineage":["https://openalex.org/I102335020","https://openalex.org/I1305996414"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Jonas Sauer","raw_affiliation_strings":["Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany"],"affiliations":[{"raw_affiliation_string":"Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany","institution_ids":["https://openalex.org/I102335020"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045460793","display_name":"Dorothea Wagner","orcid":"https://orcid.org/0000-0002-9141-7076"},"institutions":[{"id":"https://openalex.org/I102335020","display_name":"Karlsruhe Institute of Technology","ror":"https://ror.org/04t3en479","country_code":"DE","type":"funder","lineage":["https://openalex.org/I102335020","https://openalex.org/I1305996414"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Dorothea Wagner","raw_affiliation_strings":["Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany"],"affiliations":[{"raw_affiliation_string":"Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany","institution_ids":["https://openalex.org/I102335020"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5063215898","display_name":"Tobias Z\u00fcndorf","orcid":null},"institutions":[{"id":"https://openalex.org/I102335020","display_name":"Karlsruhe Institute of Technology","ror":"https://ror.org/04t3en479","country_code":"DE","type":"funder","lineage":["https://openalex.org/I102335020","https://openalex.org/I1305996414"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Tobias Z\u00fcndorf","raw_affiliation_strings":["Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany"],"affiliations":[{"raw_affiliation_string":"Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany","institution_ids":["https://openalex.org/I102335020"]}]}],"institution_assertions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.554,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.810175,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":86,"max":88},"biblio":{"volume":"57","issue":"6","first_page":"1536","last_page":"1559"},"is_retracted":false,"is_paratext":false,"primary_topic":{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.9975,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.9975,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10698","display_name":"Transportation Planning and Optimization","score":0.997,"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/T11942","display_name":"Transportation and Mobility Innovations","score":0.9969,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/speedup","display_name":"Speedup","score":0.5053909}],"concepts":[{"id":"https://openalex.org/C539828613","wikidata":"https://www.wikidata.org/wiki/Q178512","display_name":"Public transport","level":2,"score":0.7547378},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.67053723},{"id":"https://openalex.org/C157085824","wikidata":"https://www.wikidata.org/wiki/Q2384809","display_name":"TRIPS architecture","level":2,"score":0.60603815},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.6042308},{"id":"https://openalex.org/C2776175482","wikidata":"https://www.wikidata.org/wiki/Q1195816","display_name":"Transfer (computing)","level":2,"score":0.5711556},{"id":"https://openalex.org/C34736171","wikidata":"https://www.wikidata.org/wiki/Q918333","display_name":"Preprocessor","level":2,"score":0.5262752},{"id":"https://openalex.org/C68387754","wikidata":"https://www.wikidata.org/wiki/Q7271585","display_name":"Schedule","level":2,"score":0.5202821},{"id":"https://openalex.org/C68339613","wikidata":"https://www.wikidata.org/wiki/Q1549489","display_name":"Speedup","level":2,"score":0.5053909},{"id":"https://openalex.org/C137635306","wikidata":"https://www.wikidata.org/wiki/Q182667","display_name":"Pareto principle","level":2,"score":0.43506032},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.41038495},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.34114745},{"id":"https://openalex.org/C42475967","wikidata":"https://www.wikidata.org/wiki/Q194292","display_name":"Operations research","level":1,"score":0.32023892},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.2802773},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.22826615},{"id":"https://openalex.org/C22212356","wikidata":"https://www.wikidata.org/wiki/Q775325","display_name":"Transport engineering","level":1,"score":0.22018555},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.18329164},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.13334683},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"is_oa":false,"landing_page_url":"https://doi.org/10.1287/trsc.2022.0198","pdf_url":null,"source":{"id":"https://openalex.org/S130252234","display_name":"Transportation Science","issn_l":"0041-1655","issn":["0041-1655","1526-5447"],"is_oa":false,"is_in_doaj":false,"is_indexed_in_scopus":true,"is_core":true,"host_organization":"https://openalex.org/P4310315699","host_organization_name":"Institute for Operations Research and the Management Sciences","host_organization_lineage":["https://openalex.org/P4310315699"],"host_organization_lineage_names":["Institute for Operations Research and the Management Sciences"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","score":0.52,"display_name":"Sustainable cities and communities"}],"grants":[],"datasets":[],"versions":[],"referenced_works_count":14,"referenced_works":["https://openalex.org/W1560120587","https://openalex.org/W1964915778","https://openalex.org/W2021134775","https://openalex.org/W2065426758","https://openalex.org/W2083359900","https://openalex.org/W2101810346","https://openalex.org/W2104317982","https://openalex.org/W2118840184","https://openalex.org/W2143083884","https://openalex.org/W2150418461","https://openalex.org/W2169528473","https://openalex.org/W2171574770","https://openalex.org/W2599817911","https://openalex.org/W2980304837"],"related_works":["https://openalex.org/W98480971","https://openalex.org/W595072900","https://openalex.org/W4360979474","https://openalex.org/W4207012312","https://openalex.org/W3186541905","https://openalex.org/W2287996552","https://openalex.org/W2164382479","https://openalex.org/W2150291671","https://openalex.org/W2058965144","https://openalex.org/W2027972911"],"abstract_inverted_index":{"We":[0],"study":[1],"a":[2,9,14,19,58,64,88,107,130,142,155,220],"multimodal":[3,212],"journey":[4,213],"planning":[5],"scenario":[6],"consisting":[7],"of":[8,42,133,145,157,208,222,225],"public":[10,44,60,159],"transit":[11,45,61,160],"network":[12,62],"and":[13,39],"transfer":[15,66,90,95,118,134,149,197],"graph":[16,96],"that":[17,136,172],"represents":[18],"secondary":[20],"transportation":[21,126],"mode":[22],"(e.g.,":[23],"walking,":[24,192],"cycling,":[25],"e-scooter).":[26],"The":[27,240],"objective":[28],"is":[29,187,243],"to":[30,36,97,179],"compute":[31,53],"Pareto-optimal":[32],"journeys":[33,55],"with":[34,205],"respect":[35],"arrival":[37],"time":[38],"the":[40,69,94,163,206,209,215],"number":[41,132],"used":[43],"trips.":[46],"Whereas":[47],"various":[48],"existing":[49],"algorithms":[50,176],"can":[51,151],"efficiently":[52],"optimal":[54,146],"in":[56],"either":[57,86],"pure":[59,65],"or":[63,92,202],"graph,":[67,119],"combining":[68],"two":[70],"increases":[71],"running":[72],"times":[73],"significantly.":[74],"Existing":[75],"approaches,":[76],"therefore,":[77],"typically":[78],"only":[79],"support":[80],"limited":[81,178],"walking":[82],"between":[83],"stops":[84],"by":[85,232],"imposing":[87],"maximum":[89],"distance":[91],"requiring":[93],"be":[98,152],"transitively":[99],"closed.":[100],"To":[101],"overcome":[102],"these":[103,175],"shortcomings,":[104],"we":[105],"propose":[106],"novel":[108],"preprocessing":[109],"technique":[110],"called":[111],"unlimited":[112,117,180],"transfers":[113,181],"(ULTRA):":[114],"given":[115],"an":[116,223],"which":[120],"may":[121],"represent":[122],"any":[123],"non\u2013schedule":[124],"based":[125],"mode,":[127],"ULTRA":[128,173],"computes":[129],"small":[131],"shortcuts":[135,150],"are":[137],"provably":[138],"sufficient":[139],"for":[140,191,195,211],"computing":[141],"Pareto":[143],"set":[144],"journeys.":[147],"These":[148],"integrated":[153],"into":[154],"variety":[156],"state-of-the-art":[158],"algorithms,":[161],"establishing":[162],"ULTRA-query":[164],"algorithm":[165,218],"family.":[166],"Our":[167],"extensive":[168],"experimental":[169],"evaluation":[170],"shows":[171],"improves":[174],"from":[177],"without":[182],"sacrificing":[183],"query":[184],"speed.":[185],"This":[186,228],"true":[188],"not":[189],"just":[190],"but":[193],"also":[194],"faster":[196],"modes,":[198],"such":[199],"as":[200],"bicycle":[201],"car.":[203],"Compared":[204],"state":[207],"art":[210],"planning,":[214],"fastest":[216],"ULTRA-based":[217],"achieves":[219],"speedup":[221],"order":[224],"magnitude.":[226],"Funding:":[227],"work":[229],"was":[230],"supported":[231],"Deutsche":[233],"Forschungsgemeinschaft":[234],"[Grant":[235],"WA":[236],"654/23-2].":[237],"Supplemental":[238],"Material:":[239],"online":[241],"appendix":[242],"available":[244],"at":[245],"https://doi.org/10.1287/trsc.2022.0198":[246],".":[247]},"abstract_inverted_index_v3":null,"cited_by_api_url":"https://api.openalex.org/works?filter=cites:W4386289075","counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":3}],"updated_date":"2025-03-26T14:38:24.191528","created_date":"2023-08-31"}