{"id":"https://openalex.org/W2169896874","doi":"https://doi.org/10.1145/2462456.2464441","title":"CrowdAtlas","display_name":"CrowdAtlas","publication_year":2013,"publication_date":"2013-06-25","ids":{"openalex":"https://openalex.org/W2169896874","doi":"https://doi.org/10.1145/2462456.2464441","mag":"2169896874"},"language":"en","primary_location":{"id":"doi:10.1145/2462456.2464441","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2462456.2464441","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceeding of the 11th annual international conference on Mobile systems, applications, and services","raw_type":"proceedings-article"},"type":"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/A5100330989","display_name":"Yin Wang","orcid":"https://orcid.org/0000-0003-4118-4574"},"institutions":[{"id":"https://openalex.org/I1324840837","display_name":"Hewlett-Packard (United States)","ror":"https://ror.org/059rn9488","country_code":"US","type":"company","lineage":["https://openalex.org/I1324840837"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Yin Wang","raw_affiliation_strings":["HP Labs, Palo Alto, CA, USA"],"affiliations":[{"raw_affiliation_string":"HP Labs, Palo Alto, CA, USA","institution_ids":["https://openalex.org/I1324840837"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101884351","display_name":"Xuemei Liu","orcid":"https://orcid.org/0000-0002-6563-9935"},"institutions":[{"id":"https://openalex.org/I98301712","display_name":"Baidu (China)","ror":"https://ror.org/03vs3wt56","country_code":"CN","type":"company","lineage":["https://openalex.org/I98301712"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xuemei Liu","raw_affiliation_strings":["Baidu Inc., Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Baidu Inc., Shanghai, China","institution_ids":["https://openalex.org/I98301712"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5104388153","display_name":"Hongwei Ma","orcid":"https://orcid.org/0000-0001-6159-3960"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hong Wei","raw_affiliation_strings":["Shanghai Jiao Tong University, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077348567","display_name":"George Forman","orcid":"https://orcid.org/0000-0003-2179-4930"},"institutions":[{"id":"https://openalex.org/I1324840837","display_name":"Hewlett-Packard (United States)","ror":"https://ror.org/059rn9488","country_code":"US","type":"company","lineage":["https://openalex.org/I1324840837"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"George Forman","raw_affiliation_strings":["HP Labs, Palo Alto, CA, USA"],"affiliations":[{"raw_affiliation_string":"HP Labs, Palo Alto, CA, USA","institution_ids":["https://openalex.org/I1324840837"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100408399","display_name":"Chao Chen","orcid":"https://orcid.org/0000-0003-2094-9734"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chao Chen","raw_affiliation_strings":["Shanghai Jiao Tong University, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5081759167","display_name":"Yanmin Zhu","orcid":"https://orcid.org/0000-0001-6406-4992"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yanmin Zhu","raw_affiliation_strings":["Shanghai Jiao Tong University, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5100330989"],"corresponding_institution_ids":["https://openalex.org/I1324840837"],"apc_list":null,"apc_paid":null,"fwci":23.793,"has_fulltext":false,"cited_by_count":115,"citation_normalized_percentile":{"value":0.99776814,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":100},"biblio":{"volume":null,"issue":null,"first_page":"27","last_page":"40"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13282","display_name":"Automated Road and Building Extraction","score":0.9991000294685364,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T13282","display_name":"Automated Road and Building Extraction","score":0.9991000294685364,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.9970999956130981,"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/T10757","display_name":"Geographic Information Systems Studies","score":0.9962000250816345,"subfield":{"id":"https://openalex.org/subfields/3305","display_name":"Geography, Planning and Development"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7747936248779297},{"id":"https://openalex.org/keywords/global-positioning-system","display_name":"Global Positioning System","score":0.5648592710494995},{"id":"https://openalex.org/keywords/viterbi-algorithm","display_name":"Viterbi algorithm","score":0.545836865901947},{"id":"https://openalex.org/keywords/map-matching","display_name":"Map matching","score":0.5225155353546143},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.4879412353038788},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.4845687448978424},{"id":"https://openalex.org/keywords/digital-mapping","display_name":"Digital mapping","score":0.4679972529411316},{"id":"https://openalex.org/keywords/scale","display_name":"Scale (ratio)","score":0.4678930342197418},{"id":"https://openalex.org/keywords/overlay","display_name":"Overlay","score":0.44224950671195984},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.33826690912246704},{"id":"https://openalex.org/keywords/cartography","display_name":"Cartography","score":0.20906537771224976},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.17712008953094482},{"id":"https://openalex.org/keywords/hidden-markov-model","display_name":"Hidden Markov model","score":0.17587178945541382}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7747936248779297},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.5648592710494995},{"id":"https://openalex.org/C60582962","wikidata":"https://www.wikidata.org/wiki/Q83886","display_name":"Viterbi algorithm","level":3,"score":0.545836865901947},{"id":"https://openalex.org/C2778559875","wikidata":"https://www.wikidata.org/wiki/Q1892023","display_name":"Map matching","level":3,"score":0.5225155353546143},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.4879412353038788},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.4845687448978424},{"id":"https://openalex.org/C181672929","wikidata":"https://www.wikidata.org/wiki/Q4115141","display_name":"Digital mapping","level":2,"score":0.4679972529411316},{"id":"https://openalex.org/C2778755073","wikidata":"https://www.wikidata.org/wiki/Q10858537","display_name":"Scale (ratio)","level":2,"score":0.4678930342197418},{"id":"https://openalex.org/C136085584","wikidata":"https://www.wikidata.org/wiki/Q910289","display_name":"Overlay","level":2,"score":0.44224950671195984},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.33826690912246704},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.20906537771224976},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.17712008953094482},{"id":"https://openalex.org/C23224414","wikidata":"https://www.wikidata.org/wiki/Q176769","display_name":"Hidden Markov model","level":2,"score":0.17587178945541382},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"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/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2462456.2464441","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2462456.2464441","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceeding of the 11th annual international conference on Mobile systems, applications, and services","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","score":0.6200000047683716,"id":"https://metadata.un.org/sdg/11"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321106","display_name":"Ministry of Education of the People's Republic of China","ror":"https://ror.org/01mv9t934"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":45,"referenced_works":["https://openalex.org/W657427656","https://openalex.org/W1499739981","https://openalex.org/W1519433184","https://openalex.org/W1544411027","https://openalex.org/W1605476884","https://openalex.org/W1705505001","https://openalex.org/W1966736954","https://openalex.org/W1981934656","https://openalex.org/W1981960581","https://openalex.org/W2002860080","https://openalex.org/W2003272624","https://openalex.org/W2008725231","https://openalex.org/W2009985677","https://openalex.org/W2020602155","https://openalex.org/W2023932096","https://openalex.org/W2033105850","https://openalex.org/W2045174117","https://openalex.org/W2071091794","https://openalex.org/W2075364600","https://openalex.org/W2082342259","https://openalex.org/W2102048636","https://openalex.org/W2103110996","https://openalex.org/W2108328714","https://openalex.org/W2111969977","https://openalex.org/W2118389488","https://openalex.org/W2120636855","https://openalex.org/W2122967165","https://openalex.org/W2123227625","https://openalex.org/W2126236329","https://openalex.org/W2128641067","https://openalex.org/W2135822894","https://openalex.org/W2143021593","https://openalex.org/W2143394441","https://openalex.org/W2149409607","https://openalex.org/W2153573977","https://openalex.org/W2156531019","https://openalex.org/W2157191463","https://openalex.org/W2159619071","https://openalex.org/W2162203086","https://openalex.org/W2166771065","https://openalex.org/W2168463792","https://openalex.org/W2612776813","https://openalex.org/W2802243478","https://openalex.org/W4242502692","https://openalex.org/W6632530909"],"related_works":["https://openalex.org/W2370431274","https://openalex.org/W2365714035","https://openalex.org/W4381195571","https://openalex.org/W3010912586","https://openalex.org/W4224618993","https://openalex.org/W2187159411","https://openalex.org/W2045922748","https://openalex.org/W2065142934","https://openalex.org/W776059654","https://openalex.org/W2110542562"],"abstract_inverted_index":{"The":[0,71],"inaccuracy":[1],"of":[2,39,136,156,164],"manually":[3],"created":[4],"digital":[5],"road":[6],"maps":[7],"is":[8,59],"a":[9,118,133],"persistent":[10],"problem,":[11],"despite":[12],"their":[13],"high":[14,96],"economic":[15],"value.":[16],"We":[17],"present":[18],"CrowdAtlas,":[19],"which":[20,100],"automates":[21],"map":[22,55,63,98,135,166],"update":[23,68],"based":[24],"on":[25],"people's":[26],"travels,":[27],"either":[28],"individually":[29],"or":[30],"crowdsourced.":[31],"Its":[32],"mobile":[33],"navigation":[34,81,106],"app":[35,82,107],"detects":[36],"significant":[37],"portions":[38],"GPS":[40],"traces":[41,76,142],"that":[42],"do":[43],"not":[44],"conform":[45],"to":[46,104,159],"the":[47,69,80,137,161],"existing":[48],"map,":[49],"as":[50,83,85],"determined":[51],"by":[52],"state-of-the-art":[53],"Viterbi":[54],"matching.":[56],"When":[57],"there":[58],"sufficient":[60],"evidence":[61],"collected,":[62],"inference":[64],"algorithms":[65],"can":[66,101],"automatically":[67,94],"map.":[70],"CrowdAtlas":[72,113],"server":[73],"aggregates":[74],"exceptional":[75],"from":[77,86,144],"users":[78],"with":[79],"well":[84],"other,":[87],"large-scale":[88],"data":[89],"sources.":[90],"From":[91],"these":[92],"it":[93],"generates":[95],"quality":[97],"updates,":[99],"be":[102],"propagated":[103],"its":[105],"and":[108,131],"other":[109],"interested":[110],"applications.":[111],"Using":[112,140],"app,":[114],"we":[115,146],"mapped":[116],"out":[117],"4.5":[119],"km^2":[120],"street":[121],"block":[122],"in":[123,125],"Shanghai":[124],"less":[126],"than":[127],"half":[128],"an":[129],"hour":[130],"built":[132],"walking/cycling":[134],"SJTU":[138],"campus.":[139],"taxi":[141],"collected":[143],"Beijing,":[145],"contributed":[147],"completely":[148],"computer-generated":[149],"roads":[150,158],"for":[151],"this":[152],"large,":[153],"61":[154],"km":[155],"missing":[157],"OpenStreetMap,":[160],"first":[162],"set":[163],"open-source":[165],"community.":[167]},"counts_by_year":[{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":12},{"year":2020,"cited_by_count":7},{"year":2019,"cited_by_count":11},{"year":2018,"cited_by_count":15},{"year":2017,"cited_by_count":18},{"year":2016,"cited_by_count":16},{"year":2015,"cited_by_count":16},{"year":2014,"cited_by_count":6},{"year":2013,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2016-06-24T00:00:00"}
