{"id":"https://openalex.org/W3046520947","doi":"https://doi.org/10.1145/3400903.3400929","title":"Transit-based Task Assignment in Spatial Crowdsourcing","display_name":"Transit-based Task Assignment in Spatial Crowdsourcing","publication_year":2020,"publication_date":"2020-07-07","ids":{"openalex":"https://openalex.org/W3046520947","doi":"https://doi.org/10.1145/3400903.3400929","mag":"3046520947"},"language":"en","primary_location":{"id":"doi:10.1145/3400903.3400929","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3400903.3400929","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3400903.3400929","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"32nd International Conference on Scientific and Statistical Database Management","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://dl.acm.org/doi/pdf/10.1145/3400903.3400929","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5037264556","display_name":"Srinivasa Raghavendra Bhuvan Gummidi","orcid":"https://orcid.org/0000-0001-9374-9528"},"institutions":[{"id":"https://openalex.org/I891191580","display_name":"Aalborg University","ror":"https://ror.org/04m5j1k67","country_code":"DK","type":"education","lineage":["https://openalex.org/I891191580"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Srinivasa Raghavendra Bhuvan Gummidi","raw_affiliation_strings":["Aalborg University, Denmark"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Aalborg University, Denmark","institution_ids":["https://openalex.org/I891191580"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061064237","display_name":"Torben Bach Pedersen","orcid":"https://orcid.org/0000-0002-1615-777X"},"institutions":[{"id":"https://openalex.org/I891191580","display_name":"Aalborg University","ror":"https://ror.org/04m5j1k67","country_code":"DK","type":"education","lineage":["https://openalex.org/I891191580"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Torben Bach Pedersen","raw_affiliation_strings":["Aalborg University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Aalborg University","institution_ids":["https://openalex.org/I891191580"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5037366245","display_name":"Xike Xie","orcid":"https://orcid.org/0000-0001-5290-5408"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xike Xie","raw_affiliation_strings":["University of Science and Technology of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Science and Technology of China","institution_ids":["https://openalex.org/I126520041"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.1891,"has_fulltext":true,"cited_by_count":4,"citation_normalized_percentile":{"value":0.76893401,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":93,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"12"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11704","display_name":"Mobile Crowdsensing and Crowdsourcing","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1706","display_name":"Computer Science Applications"},"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/T11704","display_name":"Mobile Crowdsensing and Crowdsourcing","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1706","display_name":"Computer Science Applications"},"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/T11182","display_name":"Auction Theory and Applications","score":0.9922999739646912,"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"}},{"id":"https://openalex.org/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.9800999760627747,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/crowdsourcing","display_name":"Crowdsourcing","score":0.9347071647644043},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7032163739204407},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.643153965473175},{"id":"https://openalex.org/keywords/transit","display_name":"Transit (satellite)","score":0.4563922584056854},{"id":"https://openalex.org/keywords/transport-engineering","display_name":"Transport engineering","score":0.30954810976982117},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.20996898412704468},{"id":"https://openalex.org/keywords/public-transport","display_name":"Public transport","score":0.18164068460464478},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1267293095588684},{"id":"https://openalex.org/keywords/systems-engineering","display_name":"Systems engineering","score":0.10634681582450867}],"concepts":[{"id":"https://openalex.org/C62230096","wikidata":"https://www.wikidata.org/wiki/Q275969","display_name":"Crowdsourcing","level":2,"score":0.9347071647644043},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7032163739204407},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.643153965473175},{"id":"https://openalex.org/C2778022998","wikidata":"https://www.wikidata.org/wiki/Q651136","display_name":"Transit (satellite)","level":3,"score":0.4563922584056854},{"id":"https://openalex.org/C22212356","wikidata":"https://www.wikidata.org/wiki/Q775325","display_name":"Transport engineering","level":1,"score":0.30954810976982117},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.20996898412704468},{"id":"https://openalex.org/C539828613","wikidata":"https://www.wikidata.org/wiki/Q178512","display_name":"Public transport","level":2,"score":0.18164068460464478},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1267293095588684},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.10634681582450867}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/3400903.3400929","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3400903.3400929","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3400903.3400929","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"32nd International Conference on Scientific and Statistical Database Management","raw_type":"proceedings-article"},{"id":"pmh:oai:pure.atira.dk:openaire/25a2ced6-bfc4-4daf-9905-e6c3d8c1285d","is_oa":false,"landing_page_url":"https://vbn.aau.dk/da/publications/25a2ced6-bfc4-4daf-9905-e6c3d8c1285d","pdf_url":null,"source":{"id":"https://openalex.org/S4306401731","display_name":"VBN Forskningsportal (Aalborg Universitet)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I891191580","host_organization_name":"Aalborg University","host_organization_lineage":["https://openalex.org/I891191580"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Gummidi, B, Pedersen, T B & Xie, X 2020, Transit-based Task Assignment in Spatial Crowdsourcing. in E Pourabbas, D Sacharidis, K Stockinger & T Vergoulis (eds), SSDBM 2020 : 32nd International Conference on Scientific and Statistical Database Management., 13, Association for Computing Machinery (ACM), pp. 1-12, SSDBM 2020: 32nd International Conference on Scientific and Statistical Database Management, Vienna, Austria, 07/07/2020. https://doi.org/10.1145/3400903.3400929","raw_type":"info:eu-repo/semantics/publishedVersion"}],"best_oa_location":{"id":"doi:10.1145/3400903.3400929","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3400903.3400929","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3400903.3400929","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"32nd International Conference on Scientific and Statistical Database Management","raw_type":"proceedings-article"},"sustainable_development_goals":[{"display_name":"Decent work and economic growth","score":0.5899999737739563,"id":"https://metadata.un.org/sdg/8"}],"awards":[{"id":"https://openalex.org/G4504651713","display_name":null,"funder_award_id":"IT4BI-DC","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G6918420806","display_name":null,"funder_award_id":"BK20171240","funder_id":"https://openalex.org/F4320322769","funder_display_name":"Natural Science Foundation of Jiangsu Province"},{"id":"https://openalex.org/G8174805129","display_name":"\u57fa\u4e8e\u4eba\u673a\u534f\u540c\u7684\u6d77\u91cf\u6570\u636e\u63a2\u7d22\u7cfb\u7edf\u5173\u952e\u6280\u672f\u7814\u7a76","funder_award_id":"61772492","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320320300","display_name":"European Commission","ror":"https://ror.org/00k4n6c32"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321605","display_name":"Government of Jiangsu Province","ror":"https://ror.org/004svx814"},{"id":"https://openalex.org/F4320322769","display_name":"Natural Science Foundation of Jiangsu Province","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3046520947.pdf","grobid_xml":"https://content.openalex.org/works/W3046520947.grobid-xml"},"referenced_works_count":18,"referenced_works":["https://openalex.org/W1637575450","https://openalex.org/W1976320916","https://openalex.org/W2036698797","https://openalex.org/W2058738785","https://openalex.org/W2059618043","https://openalex.org/W2156153879","https://openalex.org/W2281858190","https://openalex.org/W2295817712","https://openalex.org/W2608394281","https://openalex.org/W2753741836","https://openalex.org/W2805610629","https://openalex.org/W2890861208","https://openalex.org/W2922336629","https://openalex.org/W2983354818","https://openalex.org/W3104340135","https://openalex.org/W4210777595","https://openalex.org/W4245056847","https://openalex.org/W6695314029"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W3032998312","https://openalex.org/W135177976","https://openalex.org/W4384486036","https://openalex.org/W654272262","https://openalex.org/W603905442","https://openalex.org/W332282905","https://openalex.org/W2247480929"],"abstract_inverted_index":{"Worker":[0],"movement":[1,39,48],"information":[2,49],"can":[3,159],"help":[4],"the":[5,11,25,28,31,46,63,78,81,104,113,119,127,134,152,156,172,179,184,198,219,222,227,232,236,254,260,270,273,277,285,293,309,314,320,323],"spatial":[6],"crowdsourcing":[7],"platform":[8],"to":[9,14,18,44,61,117,144,162,206,256,280,313],"identify":[10],"right":[12],"time":[13],"assign":[15],"a":[16,19,71,163,208,242,248],"task":[17,55,91,243,317],"worker":[20,38,47,72,121,129,212,255],"for":[21,76,123,171,186,308],"successful":[22],"completion":[23],"of":[24,30,84,96,112,155,183,197,211,221,226,235,284,292,295,305],"task.":[26],"However,":[27],"majority":[29],"current":[32],"assignment":[33,56],"strategies":[34],"do":[35],"not":[36],"consider":[37],"information.":[40],"This":[41],"paper":[42],"aims":[43],"utilize":[45],"via":[50],"transits":[51],"in":[52,70,290,303,327],"an":[53,194],"online":[54,146,181,224],"setting.":[57],"The":[58,110,148,175,215],"idea":[59],"is":[60,116,151,178,218],"harness":[62],"waiting":[64,86],"periods":[65,87],"at":[66,88,259,300,333],"different":[67],"transit":[68,73,89,130,261],"stops":[69],"route":[74],"(WTR)":[75],"performing":[77,97],"tasks.":[79],"Given":[80],"limited":[82],"availability":[83],"workers\u2019":[85,94],"stops,":[90],"deadlines":[92],"and":[93,168,239,298,332],"preference":[95],"tasks":[98],"with":[99,202,244],"higher":[100,245,330],"rewards,":[101],"we":[102,188,267],"define":[103],"Transit-based":[105],"Task":[106],"Assignment":[107],"(TTA)":[108],"problem.":[109],"objective":[111],"TTA":[114,135,199,228,286],"problem":[115,136,275,325],"maximize":[118],"average":[120,306],"rewards":[122],"motivating":[124],"workers,":[125],"considering":[126,138],"fixed":[128],"models.":[131],"We":[132],"solve":[133,281],"by":[137,288,299],"three":[139,328,335],"variants,":[140],"step-by-step,":[141],"from":[142],"offline":[143,153,195],"batch-based":[145,180,223],"versions.":[147],"first":[149],"variant":[150,177,217],"version":[154,182,196,225],"TTA,":[157,185],"which":[158],"be":[160,169],"reduced":[161],"maximum":[164],"bipartite":[165],"matching":[166],"problem,":[167,200],"leveraged":[170],"second":[173,176],"variant.":[174],"which,":[187],"propose":[189],"dividing":[190],"each":[191],"batch":[192],"into":[193],"along":[201],"additional":[203],"credibility":[204],"constraints":[205],"ensure":[207],"certain":[209],"level":[210],"response":[213],"quality.":[214],"third":[216],"extension":[220],"(Flexible-TTA)":[229],"that":[230,241,269],"relaxes":[231],"strict":[233],"nature":[234],"WTR":[237],"model":[238],"assumes":[240],"reward":[246,307,331],"than":[247],"worker-defined":[249],"threshold":[250],"value":[251],"will":[252],"convince":[253],"stay":[257],"longer":[258],"stop.":[262],"Through":[263],"our":[264],"extensive":[265],"evaluation,":[266],"observe":[268],"algorithm":[271,321],"solving":[272,322],"Flexible-TTA":[274,324],"outperforms":[276],"algorithms":[278],"proposed":[279],"other":[282],"variants":[283],"problems,":[287],"55%":[289],"terms":[291,304],"number":[294],"assigned":[296],"tasks,":[297],"least":[301,334],"35%":[302],"worker.":[310],"With":[311],"respect":[312],"baseline":[315],"(online":[316],"assignment)":[318],"algorithm,":[319],"results":[326],"times":[329,336],"faster":[337],"runtime.":[338]},"counts_by_year":[{"year":2023,"cited_by_count":2},{"year":2021,"cited_by_count":2}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
