{"id":"https://openalex.org/W2986725445","doi":"https://doi.org/10.1109/tkde.2019.2948863","title":"Two-sided Online Micro-Task Assignment in Spatial Crowdsourcing","display_name":"Two-sided Online Micro-Task Assignment in Spatial Crowdsourcing","publication_year":2019,"publication_date":"2019-11-13","ids":{"openalex":"https://openalex.org/W2986725445","doi":"https://doi.org/10.1109/tkde.2019.2948863","mag":"2986725445"},"language":"en","primary_location":{"id":"doi:10.1109/tkde.2019.2948863","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tkde.2019.2948863","pdf_url":null,"source":{"id":"https://openalex.org/S30698027","display_name":"IEEE Transactions on Knowledge and Data Engineering","issn_l":"1041-4347","issn":["1041-4347","1558-2191","2326-3865"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Knowledge and Data Engineering","raw_type":"journal-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/A5051874566","display_name":"Yongxin Tong","orcid":"https://orcid.org/0000-0002-5598-0312"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yongxin Tong","raw_affiliation_strings":["State Key Laboratory of Software Development Environment, Beijing Advanced Innovation Center for Big Data and Brain Computing, Beihang University, Beijing, PR China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Software Development Environment, Beijing Advanced Innovation Center for Big Data and Brain Computing, Beihang University, Beijing, PR China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101310689","display_name":"Yuxiang Zeng","orcid":"https://orcid.org/0000-0003-0126-3083"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Yuxiang Zeng","raw_affiliation_strings":["Department of Computer Science and Engineering, Hong Kong University of Science and Technology, Kowloon, Hong Kong"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, Hong Kong University of Science and Technology, Kowloon, Hong Kong","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112482021","display_name":"Boling Ding","orcid":null},"institutions":[{"id":"https://openalex.org/I4210095624","display_name":"Alibaba Group (United States)","ror":"https://ror.org/00rn0m335","country_code":"US","type":"company","lineage":["https://openalex.org/I4210095624","https://openalex.org/I45928872"]},{"id":"https://openalex.org/I4210108985","display_name":"Bellevue Hospital Center","ror":"https://ror.org/01ky34z31","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1283621791","https://openalex.org/I4210086933","https://openalex.org/I4210108985"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Boling Ding","raw_affiliation_strings":["Alibaba Group, Bellevue, WA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Alibaba Group, Bellevue, WA, USA","institution_ids":["https://openalex.org/I4210095624","https://openalex.org/I4210108985"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5115588578","display_name":"Libin Wang","orcid":"https://orcid.org/0000-0001-7422-0290"},"institutions":[{"id":"https://openalex.org/I82880672","display_name":"Beihang University","ror":"https://ror.org/00wk2mp56","country_code":"CN","type":"education","lineage":["https://openalex.org/I82880672"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Libin Wang","raw_affiliation_strings":["State Key Laboratory of Software Development Environment, Beijing Advanced Innovation Center for Big Data and Brain Computing, Beihang University, Beijing, PR China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Software Development Environment, Beijing Advanced Innovation Center for Big Data and Brain Computing, Beihang University, Beijing, PR China","institution_ids":["https://openalex.org/I82880672"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100333516","display_name":"Lei Chen","orcid":"https://orcid.org/0000-0002-8257-5806"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Lei Chen","raw_affiliation_strings":["Department of Computer Science and Engineering, Hong Kong University of Science and Technology, Kowloon, Hong Kong"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, Hong Kong University of Science and Technology, Kowloon, Hong Kong","institution_ids":["https://openalex.org/I200769079"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":10.1203,"has_fulltext":false,"cited_by_count":79,"citation_normalized_percentile":{"value":0.97910364,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":100},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"1"},"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/T12288","display_name":"Optimization and Search Problems","score":0.9997000098228455,"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/T11182","display_name":"Auction Theory and Applications","score":0.9954000115394592,"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/crowdsourcing","display_name":"Crowdsourcing","score":0.8873364329338074},{"id":"https://openalex.org/keywords/notation","display_name":"Notation","score":0.6075217127799988},{"id":"https://openalex.org/keywords/focus","display_name":"Focus (optics)","score":0.5592437386512756},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.5496904253959656},{"id":"https://openalex.org/keywords/bipartite-graph","display_name":"Bipartite graph","score":0.5486378073692322},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5399624705314636},{"id":"https://openalex.org/keywords/competitive-analysis","display_name":"Competitive analysis","score":0.5314328670501709},{"id":"https://openalex.org/keywords/online-algorithm","display_name":"Online algorithm","score":0.5248691439628601},{"id":"https://openalex.org/keywords/matching","display_name":"Matching (statistics)","score":0.48417097330093384},{"id":"https://openalex.org/keywords/order","display_name":"Order (exchange)","score":0.4109308123588562},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3610100746154785},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3402113616466522},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2567349672317505},{"id":"https://openalex.org/keywords/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.1715984344482422},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.11713847517967224},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.09987875819206238},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.08462244272232056}],"concepts":[{"id":"https://openalex.org/C62230096","wikidata":"https://www.wikidata.org/wiki/Q275969","display_name":"Crowdsourcing","level":2,"score":0.8873364329338074},{"id":"https://openalex.org/C45357846","wikidata":"https://www.wikidata.org/wiki/Q2001982","display_name":"Notation","level":2,"score":0.6075217127799988},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.5592437386512756},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.5496904253959656},{"id":"https://openalex.org/C197657726","wikidata":"https://www.wikidata.org/wiki/Q174733","display_name":"Bipartite graph","level":3,"score":0.5486378073692322},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5399624705314636},{"id":"https://openalex.org/C102408133","wikidata":"https://www.wikidata.org/wiki/Q5156350","display_name":"Competitive analysis","level":3,"score":0.5314328670501709},{"id":"https://openalex.org/C196921405","wikidata":"https://www.wikidata.org/wiki/Q786431","display_name":"Online algorithm","level":2,"score":0.5248691439628601},{"id":"https://openalex.org/C165064840","wikidata":"https://www.wikidata.org/wiki/Q1321061","display_name":"Matching (statistics)","level":2,"score":0.48417097330093384},{"id":"https://openalex.org/C182306322","wikidata":"https://www.wikidata.org/wiki/Q1779371","display_name":"Order (exchange)","level":2,"score":0.4109308123588562},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3610100746154785},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3402113616466522},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2567349672317505},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.1715984344482422},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.11713847517967224},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.09987875819206238},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.08462244272232056},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","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},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/tkde.2019.2948863","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tkde.2019.2948863","pdf_url":null,"source":{"id":"https://openalex.org/S30698027","display_name":"IEEE Transactions on Knowledge and Data Engineering","issn_l":"1041-4347","issn":["1041-4347","1558-2191","2326-3865"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Knowledge and Data Engineering","raw_type":"journal-article"},{"id":"pmh:oai:repository.hkust.edu.hk:1783.1-100539","is_oa":false,"landing_page_url":"http://repository.hkust.edu.hk/ir/Record/1783.1-100539","pdf_url":null,"source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"},{"id":"pmh:oai:repository.ust.hk:1783.1-100539","is_oa":false,"landing_page_url":"http://www.scopus.com/record/display.url?eid=2-s2.0-85103983459&origin=inward","pdf_url":null,"source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.47999998927116394,"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":54,"referenced_works":["https://openalex.org/W561882003","https://openalex.org/W1946208861","https://openalex.org/W2011730242","https://openalex.org/W2012668444","https://openalex.org/W2036698797","https://openalex.org/W2059618043","https://openalex.org/W2077524676","https://openalex.org/W2113654320","https://openalex.org/W2162656786","https://openalex.org/W2183531780","https://openalex.org/W2244282652","https://openalex.org/W2281858190","https://openalex.org/W2295981146","https://openalex.org/W2329105431","https://openalex.org/W2430704425","https://openalex.org/W2443200919","https://openalex.org/W2467020497","https://openalex.org/W2476974423","https://openalex.org/W2525830997","https://openalex.org/W2576109540","https://openalex.org/W2602918972","https://openalex.org/W2614598347","https://openalex.org/W2742211145","https://openalex.org/W2751927106","https://openalex.org/W2753741836","https://openalex.org/W2760815050","https://openalex.org/W2770460298","https://openalex.org/W2785650693","https://openalex.org/W2794765870","https://openalex.org/W2794925497","https://openalex.org/W2798728990","https://openalex.org/W2800888853","https://openalex.org/W2808205696","https://openalex.org/W2889125237","https://openalex.org/W2889357608","https://openalex.org/W2901712717","https://openalex.org/W2903602506","https://openalex.org/W2922336629","https://openalex.org/W2948602552","https://openalex.org/W2949565166","https://openalex.org/W2950014839","https://openalex.org/W2952036873","https://openalex.org/W2963014036","https://openalex.org/W2963487110","https://openalex.org/W2970142969","https://openalex.org/W2992811671","https://openalex.org/W4239749705","https://openalex.org/W4247154108","https://openalex.org/W6653197670","https://openalex.org/W6677022922","https://openalex.org/W6697419090","https://openalex.org/W6746772492","https://openalex.org/W6752261189","https://openalex.org/W6766737036"],"related_works":["https://openalex.org/W4213299358","https://openalex.org/W2564742953","https://openalex.org/W2793095688","https://openalex.org/W1623410360","https://openalex.org/W3115340459","https://openalex.org/W2950803469","https://openalex.org/W2583614279","https://openalex.org/W2004975914","https://openalex.org/W2109659895","https://openalex.org/W1930615501"],"abstract_inverted_index":{"With":[0],"the":[1,31,36,52,72,76,84,88,92,100,113,123,129,147,154,165,177,189,200,209,215,220],"rapid":[2],"development":[3],"of":[4,15,39,132,192,219],"smartphones,":[5],"spatial":[6,16,66],"crowdsourcing":[7,17],"platforms":[8],"are":[9],"getting":[10],"popular.":[11],"A":[12],"foundational":[13],"research":[14],"is":[18,44,108],"to":[19,22,83,203],"allocate":[20],"micro-tasks":[21,40],"suitable":[23],"crowd":[24,42],"workers.":[25],"Many":[26],"existing":[27],"studies":[28],"focus":[29,50],"on":[30,51,143,226],"offline":[32],"scenario,":[33],"where":[34],"all":[35],"spatiotemporal":[37],"information":[38],"and":[41,55,167,217,228],"workers":[43],"given.":[45],"In":[46],"this":[47,171],"paper,":[48],"we":[49,127,145,162,213],"online":[53,77,133],"scenario":[54],"identify":[56],"a":[57,96,118,139,181],"more":[58],"practical":[59],"micro-task":[60],"allocation":[61],"problem,":[62],"called":[63],"theGlobalOnlineMicro-taskAllocation":[64],"in":[65,106,122,208],"crowdsourcing(GOMA)":[67],"problem.":[68],"We":[69,137,186],"first":[70],"extend":[71],"state-of-the-art":[73],"algorithm":[74,94,149,169,179],"for":[75,99],"maximum":[78],"weighted":[79],"bipartite":[80],"matching":[81],"problem":[82,86],"GOMA":[85],"as":[87,199],"baseline":[89,93],"algorithm.":[90],"Although":[91],"provides":[95],"theoretical":[97],"guarantee":[98],"worst":[101,114,201,210],"case,":[102],"its":[103,160,204],"average":[104,130,190],"performance":[105,131,191],"practice":[107],"not":[109],"good":[110],"enough":[111],"since":[112],"case":[115],"happens":[116],"with":[117,150,180],"very":[119],"low":[120],"probability":[121],"real":[124,229],"world.":[125],"Thus,":[126],"consider":[128],"algorithms,a.k.a.random":[134],"order":[135,156],"model.":[136,157],"propose":[138],"two-phase-based":[140],"framework,":[141,172],"based":[142],"which":[144,173,194],"present":[146],"TGOA":[148,178],"a$\\frac{1}{4}$-competitive":[151],"ratio":[152,183,207],"under":[153],"random":[155],"To":[158],"improve":[159],"efficiency,":[161],"further":[163],"design":[164],"TGOA-Greedy":[166],"TGOA-OP":[168],"following":[170],"runs":[174],"faster":[175],"than":[176],"competitive":[182,206],"of$\\frac{1}{8}$and$\\frac{1}{4}$,":[184],"respectively.":[185],"also":[187],"revisit":[188],"Greedy,":[193],"has":[195],"long":[196],"been":[197],"considered":[198],"due":[202],"unbounded":[205],"case.":[211],"Finally,":[212],"verify":[214],"effectiveness":[216],"efficiency":[218],"proposed":[221],"methods":[222],"through":[223],"extensive":[224],"experiments":[225],"synthetic":[227],"datasets.":[230]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":12},{"year":2024,"cited_by_count":12},{"year":2023,"cited_by_count":22},{"year":2022,"cited_by_count":18},{"year":2021,"cited_by_count":8},{"year":2020,"cited_by_count":6}],"updated_date":"2026-07-29T09:40:50.615796","created_date":"2025-10-10T00:00:00"}