{"id":"https://openalex.org/W2137926287","doi":"https://doi.org/10.1109/ipdps.2010.5470345","title":"Parallel computation of best connections in public transportation networks","display_name":"Parallel computation of best connections in public transportation networks","publication_year":2010,"publication_date":"2010-01-01","ids":{"openalex":"https://openalex.org/W2137926287","doi":"https://doi.org/10.1109/ipdps.2010.5470345","mag":"2137926287"},"language":"en","primary_location":{"id":"doi:10.1109/ipdps.2010.5470345","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ipdps.2010.5470345","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2010 IEEE International Symposium on Parallel &amp; Distributed Processing (IPDPS)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5060646771","display_name":"Daniel Delling","orcid":null},"institutions":[{"id":"https://openalex.org/I1290206253","display_name":"Microsoft (United States)","ror":"https://ror.org/00d0nc645","country_code":"US","type":"company","lineage":["https://openalex.org/I1290206253"]},{"id":"https://openalex.org/I4210086253","display_name":"Silicon Valley Community Foundation","ror":"https://ror.org/001ader08","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I4210086253"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Daniel Delling","raw_affiliation_strings":["Microsoft Research Silicon Valley, Mountain View, CA, USA","Microsoft Research Silicon Valley, 1065 La Avenida, Mountain View, CA 94043"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Microsoft Research Silicon Valley, Mountain View, CA, USA","institution_ids":["https://openalex.org/I1290206253","https://openalex.org/I4210086253"]},{"raw_affiliation_string":"Microsoft Research Silicon Valley, 1065 La Avenida, Mountain View, CA 94043","institution_ids":["https://openalex.org/I1290206253"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011616005","display_name":"Bastian Katz","orcid":"https://orcid.org/0000-0003-0846-9615"},"institutions":[{"id":"https://openalex.org/I102335020","display_name":"Karlsruhe Institute of Technology","ror":"https://ror.org/04t3en479","country_code":"DE","type":"education","lineage":["https://openalex.org/I102335020","https://openalex.org/I1305996414"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Bastian Katz","raw_affiliation_strings":["Department of Computer Science, Karlsruhe Institute of Technology, Karlsruhe, Germany","Department of Computer Science, Karlsruhe Institute of Technology, 76128 Karlsruhe, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Karlsruhe Institute of Technology, Karlsruhe, Germany","institution_ids":["https://openalex.org/I102335020"]},{"raw_affiliation_string":"Department of Computer Science, Karlsruhe Institute of Technology, 76128 Karlsruhe, Germany","institution_ids":["https://openalex.org/I102335020"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5007683400","display_name":"Thomas Pajor","orcid":null},"institutions":[{"id":"https://openalex.org/I102335020","display_name":"Karlsruhe Institute of Technology","ror":"https://ror.org/04t3en479","country_code":"DE","type":"education","lineage":["https://openalex.org/I102335020","https://openalex.org/I1305996414"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Thomas Pajor","raw_affiliation_strings":["Department of Computer Science, Karlsruhe Institute of Technology, Karlsruhe, Germany","Department of Computer Science, Karlsruhe Institute of Technology, 76128 Karlsruhe, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Karlsruhe Institute of Technology, Karlsruhe, Germany","institution_ids":["https://openalex.org/I102335020"]},{"raw_affiliation_string":"Department of Computer Science, Karlsruhe Institute of Technology, 76128 Karlsruhe, Germany","institution_ids":["https://openalex.org/I102335020"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.2805,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.80769231,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":97},"biblio":{"volume":"1461","issue":null,"first_page":"1","last_page":"12"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.9998999834060669,"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":0.9998999834060669,"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/T12288","display_name":"Optimization and Search Problems","score":0.9944000244140625,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T10317","display_name":"Advanced Database Systems and Queries","score":0.9918000102043152,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7742371559143066},{"id":"https://openalex.org/keywords/dijkstras-algorithm","display_name":"Dijkstra's algorithm","score":0.7045265436172485},{"id":"https://openalex.org/keywords/server","display_name":"Server","score":0.6322969794273376},{"id":"https://openalex.org/keywords/public-transport","display_name":"Public transport","score":0.5459602475166321},{"id":"https://openalex.org/keywords/class","display_name":"Class (philosophy)","score":0.4930689036846161},{"id":"https://openalex.org/keywords/preprocessor","display_name":"Preprocessor","score":0.4723549783229828},{"id":"https://openalex.org/keywords/flow-network","display_name":"Flow network","score":0.45849645137786865},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.45263728499412537},{"id":"https://openalex.org/keywords/exploit","display_name":"Exploit","score":0.4344371557235718},{"id":"https://openalex.org/keywords/piecewise-linear-function","display_name":"Piecewise linear function","score":0.42556095123291016},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.4233935475349426},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.3846854865550995},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3049847185611725},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.20303311944007874},{"id":"https://openalex.org/keywords/shortest-path-problem","display_name":"Shortest path problem","score":0.1814969778060913},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.16936928033828735},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.13156235218048096},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.11332231760025024},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.10347113013267517}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7742371559143066},{"id":"https://openalex.org/C173870130","wikidata":"https://www.wikidata.org/wiki/Q8548","display_name":"Dijkstra's algorithm","level":4,"score":0.7045265436172485},{"id":"https://openalex.org/C93996380","wikidata":"https://www.wikidata.org/wiki/Q44127","display_name":"Server","level":2,"score":0.6322969794273376},{"id":"https://openalex.org/C539828613","wikidata":"https://www.wikidata.org/wiki/Q178512","display_name":"Public transport","level":2,"score":0.5459602475166321},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.4930689036846161},{"id":"https://openalex.org/C34736171","wikidata":"https://www.wikidata.org/wiki/Q918333","display_name":"Preprocessor","level":2,"score":0.4723549783229828},{"id":"https://openalex.org/C114809511","wikidata":"https://www.wikidata.org/wiki/Q1412924","display_name":"Flow network","level":2,"score":0.45849645137786865},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.45263728499412537},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.4344371557235718},{"id":"https://openalex.org/C17095337","wikidata":"https://www.wikidata.org/wiki/Q2375229","display_name":"Piecewise linear function","level":2,"score":0.42556095123291016},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.4233935475349426},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.3846854865550995},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3049847185611725},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.20303311944007874},{"id":"https://openalex.org/C22590252","wikidata":"https://www.wikidata.org/wiki/Q1058754","display_name":"Shortest path problem","level":3,"score":0.1814969778060913},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.16936928033828735},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.13156235218048096},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.11332231760025024},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.10347113013267517},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ipdps.2010.5470345","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ipdps.2010.5470345","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2010 IEEE International Symposium on Parallel &amp; Distributed Processing (IPDPS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities","score":0.7300000190734863}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":37,"referenced_works":["https://openalex.org/W140737195","https://openalex.org/W1480514479","https://openalex.org/W1483103748","https://openalex.org/W1491427870","https://openalex.org/W1557168168","https://openalex.org/W1560120587","https://openalex.org/W1964915778","https://openalex.org/W2010039191","https://openalex.org/W2012456804","https://openalex.org/W2042068919","https://openalex.org/W2047399896","https://openalex.org/W2063301486","https://openalex.org/W2089338760","https://openalex.org/W2097740541","https://openalex.org/W2101923813","https://openalex.org/W2105824380","https://openalex.org/W2109923933","https://openalex.org/W2114872813","https://openalex.org/W2127218421","https://openalex.org/W2144375401","https://openalex.org/W2148831787","https://openalex.org/W2150898004","https://openalex.org/W2168148394","https://openalex.org/W2169528473","https://openalex.org/W2171574770","https://openalex.org/W2174383934","https://openalex.org/W2189110458","https://openalex.org/W2288813838","https://openalex.org/W2570187103","https://openalex.org/W6605705315","https://openalex.org/W6633602179","https://openalex.org/W6641586392","https://openalex.org/W6676101567","https://openalex.org/W6676976289","https://openalex.org/W6678914141","https://openalex.org/W6685374448","https://openalex.org/W6687563917"],"related_works":["https://openalex.org/W2379764279","https://openalex.org/W2360924501","https://openalex.org/W2092530219","https://openalex.org/W2766237626","https://openalex.org/W2372895815","https://openalex.org/W2388464034","https://openalex.org/W2533125852","https://openalex.org/W2167833628","https://openalex.org/W2140460949","https://openalex.org/W2770026079"],"abstract_inverted_index":{"Exploiting":[0],"parallelism":[1],"in":[2,14,35,62,91,130,164,181],"route":[3],"planning":[4],"algorithms":[5],"is":[6],"a":[7,26,48,63,70,98,131,150,165,171,177],"challenging":[8],"algorithmic":[9],"problem":[10,34],"with":[11],"obvious":[12],"applications":[13],"mobile":[15],"navigation":[16],"and":[17,52,105],"timetable":[18],"information":[19],"systems.":[20],"In":[21],"this":[22],"work,":[23],"we":[24,123,135,152],"present":[25],"novel":[27],"algorithm":[28,67,129],"for":[29,43,69],"the":[30,41,60,84,120,145],"so-called":[31],"one-to-all":[32],"profile-search":[33],"public":[36,146,167],"transportation":[37,147,168],"networks.":[38],"It":[39],"answers":[40],"question":[42],"all":[44,157],"fastest":[45],"connections":[46,110,143,159],"between":[47,160],"given":[49],"station":[50,55],"S":[51,112],"any":[53,57],"other":[54],"at":[56],"time":[58],"of":[59,101,170],"day":[61],"single":[64],"query.":[65],"This":[66],"allows":[68],"very":[71],"natural":[72],"parallelization,":[73],"yielding":[74],"excellent":[75],"speed-ups":[76],"on":[77,176,186],"standard":[78,178],"multi-core":[79,179],"servers.":[80],"Our":[81],"approach":[82],"exploits":[83],"facts":[85],"that":[86,106],"first,":[87],"time-dependent":[88],"travel-time":[89],"functions":[90],"such":[92],"networks":[93],"can":[94],"be":[95],"represented":[96],"as":[97],"special":[99],"class":[100],"piecewise":[102],"linear":[103],"functions,":[104],"second,":[107],"only":[108],"few":[109],"from":[111],"are":[113,124,153],"useful":[114],"to":[115,126,155],"travel":[116],"far":[117],"away.":[118],"Introducing":[119],"connection-setting":[121],"property,":[122],"able":[125,154],"extend":[127],"DIJKSTRA's":[128],"sound":[132],"manner.":[133],"Furthermore,":[134],"also":[136],"accelerate":[137],"station-tostation":[138],"queries":[139],"by":[140],"preprocessing":[141],"important":[142],"within":[144],"network.":[148],"As":[149],"result,":[151],"compute":[156],"relevant":[158],"two":[161],"random":[162],"stations":[163],"complete":[166],"network":[169],"big":[172],"city":[173],"(Los":[174],"Angeles)":[175],"server":[180],"less":[182],"than":[183],"55":[184],"ms":[185],"average.":[187]},"counts_by_year":[{"year":2012,"cited_by_count":3}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
