{"id":"https://openalex.org/W2922336629","doi":"https://doi.org/10.1145/3291933","title":"A Survey of Spatial Crowdsourcing","display_name":"A Survey of Spatial Crowdsourcing","publication_year":2019,"publication_date":"2019-03-15","ids":{"openalex":"https://openalex.org/W2922336629","doi":"https://doi.org/10.1145/3291933","mag":"2922336629"},"language":"en","primary_location":{"id":"doi:10.1145/3291933","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3291933","pdf_url":null,"source":{"id":"https://openalex.org/S90119964","display_name":"ACM Transactions on Database Systems","issn_l":"0362-5915","issn":["0362-5915","1557-4644"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Database Systems","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://vbn.aau.dk/ws/files/304663416/SpCrowdsourcing_Survey_Revision.pdf","any_repository_has_fulltext":true},"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":["Department of Computer Science, Aalborg University, Aalborg, Denmark"],"raw_orcid":"https://orcid.org/0000-0001-9374-9528","affiliations":[{"raw_affiliation_string":"Department of Computer Science, Aalborg University, Aalborg, Denmark","institution_ids":["https://openalex.org/I891191580"]}]},{"author_position":"middle","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":["School of Computer Science and Technology, University of Science and Technology of China, Anhui, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology, University of Science and Technology of China, Anhui, China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"last","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":["Department of Computer Science, Aalborg University, Aalborg, Denmark"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, Aalborg University, Aalborg, Denmark","institution_ids":["https://openalex.org/I891191580"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":18.0468,"has_fulltext":true,"cited_by_count":96,"citation_normalized_percentile":{"value":0.99177042,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":100},"biblio":{"volume":"44","issue":"2","first_page":"1","last_page":"46"},"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/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.9879999756813049,"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/T11182","display_name":"Auction Theory and Applications","score":0.9851999878883362,"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":0.8982545733451843},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8199664354324341},{"id":"https://openalex.org/keywords/data-science","display_name":"Data science","score":0.5041388273239136},{"id":"https://openalex.org/keywords/spatial-analysis","display_name":"Spatial analysis","score":0.43316641449928284},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.3946884274482727},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3474711775779724},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.342599481344223},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.2918927073478699},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.19092360138893127},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.07653489708900452}],"concepts":[{"id":"https://openalex.org/C62230096","wikidata":"https://www.wikidata.org/wiki/Q275969","display_name":"Crowdsourcing","level":2,"score":0.8982545733451843},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8199664354324341},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.5041388273239136},{"id":"https://openalex.org/C159620131","wikidata":"https://www.wikidata.org/wiki/Q1938983","display_name":"Spatial analysis","level":2,"score":0.43316641449928284},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.3946884274482727},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3474711775779724},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.342599481344223},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.2918927073478699},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.19092360138893127},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.07653489708900452}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1145/3291933","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3291933","pdf_url":null,"source":{"id":"https://openalex.org/S90119964","display_name":"ACM Transactions on Database Systems","issn_l":"0362-5915","issn":["0362-5915","1557-4644"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Database Systems","raw_type":"journal-article"},{"id":"pmh:oai:pure.atira.dk:openaire/0b26ea7a-6da1-484f-916f-26a013bb4c5e","is_oa":true,"landing_page_url":"https://vbn.aau.dk/da/publications/0b26ea7a-6da1-484f-916f-26a013bb4c5e","pdf_url":"https://vbn.aau.dk/ws/files/304663416/SpCrowdsourcing_Survey_Revision.pdf","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":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Gummidi, S R B, Xie, X & Pedersen, T B 2019, 'A survey of spatial crowdsourcing', ACM Transactions on Database Systems, vol. 44, no. 2, 8, pp. 8:1-8:46. https://doi.org/10.1145/3291933","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:pure.atira.dk:publications/0b26ea7a-6da1-484f-916f-26a013bb4c5e","is_oa":true,"landing_page_url":"http://www.scopus.com/inward/record.url?scp=85065778310&partnerID=8YFLogxK","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":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Gummidi , S R B , Xie , X &amp; Pedersen , T B 2019 , ' A survey of spatial crowdsourcing ' , ACM Transactions on Database Systems , vol. 44 , no. 2 , 8 , pp. 8:1-8:46 . https://doi.org/10.1145/3291933","raw_type":"article"}],"best_oa_location":{"id":"pmh:oai:pure.atira.dk:openaire/0b26ea7a-6da1-484f-916f-26a013bb4c5e","is_oa":true,"landing_page_url":"https://vbn.aau.dk/da/publications/0b26ea7a-6da1-484f-916f-26a013bb4c5e","pdf_url":"https://vbn.aau.dk/ws/files/304663416/SpCrowdsourcing_Survey_Revision.pdf","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":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Gummidi, S R B, Xie, X & Pedersen, T B 2019, 'A survey of spatial crowdsourcing', ACM Transactions on Database Systems, vol. 44, no. 2, 8, pp. 8:1-8:46. https://doi.org/10.1145/3291933","raw_type":"info:eu-repo/semantics/article"},"sustainable_development_goals":[{"display_name":"Industry, innovation and infrastructure","score":0.6499999761581421,"id":"https://metadata.un.org/sdg/9"}],"awards":[{"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"}],"funders":[{"id":"https://openalex.org/F4320322769","display_name":"Natural Science Foundation of Jiangsu Province","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2922336629.pdf","grobid_xml":"https://content.openalex.org/works/W2922336629.grobid-xml"},"referenced_works_count":147,"referenced_works":["https://openalex.org/W273388460","https://openalex.org/W601857102","https://openalex.org/W1486457878","https://openalex.org/W1501025848","https://openalex.org/W1521040084","https://openalex.org/W1531947739","https://openalex.org/W1541280084","https://openalex.org/W1571429834","https://openalex.org/W1576766753","https://openalex.org/W1593284348","https://openalex.org/W1637575450","https://openalex.org/W1946208861","https://openalex.org/W1967692235","https://openalex.org/W1969043696","https://openalex.org/W1970756365","https://openalex.org/W1973141741","https://openalex.org/W1973923045","https://openalex.org/W1979990434","https://openalex.org/W1989781795","https://openalex.org/W1997079297","https://openalex.org/W1998214790","https://openalex.org/W1998498767","https://openalex.org/W1999110238","https://openalex.org/W1999842613","https://openalex.org/W2003684739","https://openalex.org/W2005406065","https://openalex.org/W2010135967","https://openalex.org/W2010484711","https://openalex.org/W2012668444","https://openalex.org/W2019104976","https://openalex.org/W2019300024","https://openalex.org/W2024014011","https://openalex.org/W2026490835","https://openalex.org/W2036698797","https://openalex.org/W2038404180","https://openalex.org/W2039482292","https://openalex.org/W2041776940","https://openalex.org/W2042461541","https://openalex.org/W2044158541","https://openalex.org/W2055633552","https://openalex.org/W2058738785","https://openalex.org/W2058911993","https://openalex.org/W2059618043","https://openalex.org/W2061863227","https://openalex.org/W2065602119","https://openalex.org/W2066840620","https://openalex.org/W2076357412","https://openalex.org/W2077524676","https://openalex.org/W2085154695","https://openalex.org/W2087937221","https://openalex.org/W2089194621","https://openalex.org/W2090274112","https://openalex.org/W2098865355","https://openalex.org/W2106476394","https://openalex.org/W2113786286","https://openalex.org/W2114925746","https://openalex.org/W2115594786","https://openalex.org/W2122755163","https://openalex.org/W2125826911","https://openalex.org/W2126895033","https://openalex.org/W2129444086","https://openalex.org/W2130114858","https://openalex.org/W2134479759","https://openalex.org/W2140890285","https://openalex.org/W2141434237","https://openalex.org/W2142518823","https://openalex.org/W2145314983","https://openalex.org/W2146697949","https://openalex.org/W2151700547","https://openalex.org/W2151940804","https://openalex.org/W2156009792","https://openalex.org/W2157861192","https://openalex.org/W2158608926","https://openalex.org/W2161709257","https://openalex.org/W2164077332","https://openalex.org/W2164729653","https://openalex.org/W2170675255","https://openalex.org/W2171157447","https://openalex.org/W2182992846","https://openalex.org/W2196824873","https://openalex.org/W2221663082","https://openalex.org/W2233905468","https://openalex.org/W2243537967","https://openalex.org/W2253465240","https://openalex.org/W2259955458","https://openalex.org/W2270455647","https://openalex.org/W2271188064","https://openalex.org/W2272252781","https://openalex.org/W2281858190","https://openalex.org/W2290740277","https://openalex.org/W2293794854","https://openalex.org/W2294447257","https://openalex.org/W2295817712","https://openalex.org/W2329105431","https://openalex.org/W2338138855","https://openalex.org/W2339328004","https://openalex.org/W2340432473","https://openalex.org/W2342926214","https://openalex.org/W2383692054","https://openalex.org/W2398648243","https://openalex.org/W2424681074","https://openalex.org/W2430704425","https://openalex.org/W2441563267","https://openalex.org/W2443200919","https://openalex.org/W2467748160","https://openalex.org/W2467923433","https://openalex.org/W2467994323","https://openalex.org/W2496884645","https://openalex.org/W2523778000","https://openalex.org/W2525830997","https://openalex.org/W2525946538","https://openalex.org/W2583938323","https://openalex.org/W2605318711","https://openalex.org/W2608394281","https://openalex.org/W2614598347","https://openalex.org/W2707804722","https://openalex.org/W2735460460","https://openalex.org/W2735680672","https://openalex.org/W2740412304","https://openalex.org/W2740660508","https://openalex.org/W2751717865","https://openalex.org/W2751927106","https://openalex.org/W2753741836","https://openalex.org/W2762252247","https://openalex.org/W2762955383","https://openalex.org/W2763067454","https://openalex.org/W2765167783","https://openalex.org/W2767312068","https://openalex.org/W2767376036","https://openalex.org/W2779631995","https://openalex.org/W2782951876","https://openalex.org/W2794644121","https://openalex.org/W2794765870","https://openalex.org/W2794925497","https://openalex.org/W2805610629","https://openalex.org/W2911978475","https://openalex.org/W2963044698","https://openalex.org/W2963115083","https://openalex.org/W2964788635","https://openalex.org/W2988480584","https://openalex.org/W2990138404","https://openalex.org/W3104340135","https://openalex.org/W3124140999","https://openalex.org/W3124276395","https://openalex.org/W4230475127","https://openalex.org/W4241030163","https://openalex.org/W6727757757"],"related_works":["https://openalex.org/W3032998312","https://openalex.org/W135177976","https://openalex.org/W4384486036","https://openalex.org/W1503094549","https://openalex.org/W2337920774","https://openalex.org/W4286908577","https://openalex.org/W2886410948","https://openalex.org/W2025875869","https://openalex.org/W4318823662","https://openalex.org/W3025157844"],"abstract_inverted_index":{"Widespread":[0],"use":[1],"of":[2,11,15,25,49,55,93,97,126,141],"advanced":[3],"mobile":[4],"devices":[5],"has":[6,78],"led":[7],"to":[8,28,32,61,74,88],"the":[9,23,53,94,106,112,127,135,150],"emergence":[10],"a":[12,26,66,85,90,123,132],"new":[13,76],"class":[14],"crowdsourcing":[16,21,44,51,99,108],"called":[17],"spatial":[18,50,56,98,107,116,142],"crowdsourcing.":[19,119],"Spatial":[20],"advances":[22],"potential":[24,146],"crowd":[27],"perform":[29],"tasks":[30,57],"related":[31,73],"real-world":[33],"scenarios":[34],"involving":[35],"physical":[36],"locations,":[37],"which":[38],"were":[39],"not":[40],"feasible":[41],"with":[42],"conventional":[43,118],"methods.":[45],"The":[46],"main":[47],"feature":[48],"is":[52],"presence":[54],"that":[58],"require":[59],"workers":[60],"be":[62],"physically":[63],"present":[64],"at":[65],"particular":[67],"location":[68],"for":[69,149],"task":[70],"fulfillment.":[71],"Research":[72],"this":[75,102],"paradigm":[77],"gained":[79],"momentum":[80],"in":[81],"recent":[82],"years,":[83],"necessitating":[84],"comprehensive":[86,124],"survey":[87],"offer":[89],"bird\u2019s-eye":[91],"view":[92,125],"current":[95],"state":[96],"literature.":[100],"In":[101],"article,":[103],"we":[104,121],"discuss":[105],"infrastructure":[109],"and":[110,117,144],"identify":[111],"fundamental":[113],"differences":[114],"between":[115],"Furthermore,":[120],"provide":[122],"existing":[128],"literature":[129],"by":[130,138],"introducing":[131],"taxonomy,":[133],"elucidate":[134],"issues/challenges":[136],"faced":[137],"different":[139],"components":[140],"crowdsourcing,":[143],"suggest":[145],"research":[147],"directions":[148],"future.":[151]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":8},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":21},{"year":2022,"cited_by_count":21},{"year":2021,"cited_by_count":13},{"year":2020,"cited_by_count":16},{"year":2019,"cited_by_count":7}],"updated_date":"2026-08-01T09:00:35.917206","created_date":"2025-10-10T00:00:00"}
