{"id":"https://openalex.org/W4389664597","doi":"https://doi.org/10.1109/tdsc.2023.3342239","title":"Achieving Efficient and Privacy-Preserving Location-Based Task Recommendation in Spatial Crowdsourcing","display_name":"Achieving Efficient and Privacy-Preserving Location-Based Task Recommendation in Spatial Crowdsourcing","publication_year":2023,"publication_date":"2023-12-13","ids":{"openalex":"https://openalex.org/W4389664597","doi":"https://doi.org/10.1109/tdsc.2023.3342239"},"language":"en","primary_location":{"id":"doi:10.1109/tdsc.2023.3342239","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tdsc.2023.3342239","pdf_url":null,"source":{"id":"https://openalex.org/S133795288","display_name":"IEEE Transactions on Dependable and Secure Computing","issn_l":"1545-5971","issn":["1545-5971","1941-0018","2160-9209"],"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 Dependable and Secure Computing","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/A5089593844","display_name":"Fuyuan Song","orcid":"https://orcid.org/0000-0002-0784-7007"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]},{"id":"https://openalex.org/I200845125","display_name":"Nanjing University of Information Science and Technology","ror":"https://ror.org/02y0rxk19","country_code":"CN","type":"education","lineage":["https://openalex.org/I200845125"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fuyuan Song","raw_affiliation_strings":["School of Computer Science, the Engineering Research Center of Digital Forensics, Nanjing University of Information Science and Technology, Nanjing, China","State Key Laboratory of Integrated Services Networks, Xidian University, Xi'an, China"],"raw_orcid":"https://orcid.org/0000-0002-0784-7007","affiliations":[{"raw_affiliation_string":"School of Computer Science, the Engineering Research Center of Digital Forensics, Nanjing University of Information Science and Technology, Nanjing, China","institution_ids":["https://openalex.org/I200845125"]},{"raw_affiliation_string":"State Key Laboratory of Integrated Services Networks, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051918696","display_name":"Jinwen Liang","orcid":"https://orcid.org/0000-0003-1306-3185"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Jinwen Liang","raw_affiliation_strings":["Department of Computing, Hong Kong Polytechnic University, Hung Hom, Hong Kong","Department of Computing, The Hong Kong Polytechnic University, Hong Kong, China"],"raw_orcid":"https://orcid.org/0000-0003-1306-3185","affiliations":[{"raw_affiliation_string":"Department of Computing, Hong Kong Polytechnic University, Hung Hom, Hong Kong","institution_ids":["https://openalex.org/I14243506"]},{"raw_affiliation_string":"Department of Computing, The Hong Kong Polytechnic University, Hong Kong, China","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100380072","display_name":"Chuan Zhang","orcid":"https://orcid.org/0000-0001-7684-8540"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chuan Zhang","raw_affiliation_strings":["School of Cyberspace Science and Technology, Beijing Institute of Technology, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0001-7684-8540","affiliations":[{"raw_affiliation_string":"School of Cyberspace Science and Technology, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066341740","display_name":"Zhangjie Fu","orcid":"https://orcid.org/0000-0002-4363-2521"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]},{"id":"https://openalex.org/I200845125","display_name":"Nanjing University of Information Science and Technology","ror":"https://ror.org/02y0rxk19","country_code":"CN","type":"education","lineage":["https://openalex.org/I200845125"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhangjie Fu","raw_affiliation_strings":["School of Computer Science, the Engineering Research Center of Digital Forensics, Nanjing University of Information Science and Technology, Nanjing, China","State Key Laboratory of Integrated Services Networks, Xidian University, Xi'an, China"],"raw_orcid":"https://orcid.org/0000-0002-4363-2521","affiliations":[{"raw_affiliation_string":"School of Computer Science, the Engineering Research Center of Digital Forensics, Nanjing University of Information Science and Technology, Nanjing, China","institution_ids":["https://openalex.org/I200845125"]},{"raw_affiliation_string":"State Key Laboratory of Integrated Services Networks, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035491991","display_name":"Zheng Qin","orcid":"https://orcid.org/0000-0003-0877-3887"},"institutions":[{"id":"https://openalex.org/I16609230","display_name":"Hunan University","ror":"https://ror.org/05htk5m33","country_code":"CN","type":"education","lineage":["https://openalex.org/I16609230"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zheng Qin","raw_affiliation_strings":["College of Computer Science and Electronic Engineering, Hunan University, Changsha, China"],"raw_orcid":"https://orcid.org/0000-0003-0877-3887","affiliations":[{"raw_affiliation_string":"College of Computer Science and Electronic Engineering, Hunan University, Changsha, China","institution_ids":["https://openalex.org/I16609230"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5043464306","display_name":"Song Guo","orcid":"https://orcid.org/0000-0001-9831-2202"},"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":"Song Guo","raw_affiliation_strings":["Department of Computer Science and Engineering, Hong Kong University of Science and Technology, Kowloon, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0001-9831-2202","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":2,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.1725,"has_fulltext":false,"cited_by_count":20,"citation_normalized_percentile":{"value":0.93095825,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":"21","issue":"4","first_page":"4006","last_page":"4023"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T11704","display_name":"Mobile Crowdsensing and Crowdsourcing","score":0.9995999932289124,"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/T10237","display_name":"Cryptography and Data Security","score":0.9983000159263611,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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":0.7772308588027954},{"id":"https://openalex.org/keywords/crowdsourcing","display_name":"Crowdsourcing","score":0.6643929481506348},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.5912236571311951},{"id":"https://openalex.org/keywords/server","display_name":"Server","score":0.48868706822395325},{"id":"https://openalex.org/keywords/dimension","display_name":"Dimension (graph theory)","score":0.4530550539493561},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.43124568462371826},{"id":"https://openalex.org/keywords/confidentiality","display_name":"Confidentiality","score":0.4301036596298218},{"id":"https://openalex.org/keywords/bloom-filter","display_name":"Bloom filter","score":0.412839412689209},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.4088989794254303},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.333487331867218},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.28611278533935547},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.1959657371044159},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.13054516911506653},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.10042175650596619}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7772308588027954},{"id":"https://openalex.org/C62230096","wikidata":"https://www.wikidata.org/wiki/Q275969","display_name":"Crowdsourcing","level":2,"score":0.6643929481506348},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.5912236571311951},{"id":"https://openalex.org/C93996380","wikidata":"https://www.wikidata.org/wiki/Q44127","display_name":"Server","level":2,"score":0.48868706822395325},{"id":"https://openalex.org/C33676613","wikidata":"https://www.wikidata.org/wiki/Q13415176","display_name":"Dimension (graph theory)","level":2,"score":0.4530550539493561},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.43124568462371826},{"id":"https://openalex.org/C71745522","wikidata":"https://www.wikidata.org/wiki/Q2476929","display_name":"Confidentiality","level":2,"score":0.4301036596298218},{"id":"https://openalex.org/C147224247","wikidata":"https://www.wikidata.org/wiki/Q885373","display_name":"Bloom filter","level":2,"score":0.412839412689209},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.4088989794254303},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.333487331867218},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.28611278533935547},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.1959657371044159},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.13054516911506653},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.10042175650596619},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","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},{"id":"https://openalex.org/C187736073","wikidata":"https://www.wikidata.org/wiki/Q2920921","display_name":"Management","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tdsc.2023.3342239","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tdsc.2023.3342239","pdf_url":null,"source":{"id":"https://openalex.org/S133795288","display_name":"IEEE Transactions on Dependable and Secure Computing","issn_l":"1545-5971","issn":["1545-5971","1941-0018","2160-9209"],"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 Dependable and Secure Computing","raw_type":"journal-article"},{"id":"pmh:oai:repository.hkust.edu.hk:1783.1-136063","is_oa":false,"landing_page_url":"http://repository.hkust.edu.hk/ir/Record/1783.1-136063","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"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1527560639","display_name":null,"funder_award_id":"62302230","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G1677863401","display_name":null,"funder_award_id":"42001247","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3017900995","display_name":null,"funder_award_id":"JCYJ20200109142008673","funder_id":"https://openalex.org/F4320326705","funder_display_name":"Science, Technology and Innovation Commission of Shenzhen Municipality"},{"id":"https://openalex.org/G331018939","display_name":null,"funder_award_id":"U22B2062","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3830888734","display_name":null,"funder_award_id":"2021TQ0042","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G4376067305","display_name":null,"funder_award_id":"2021M700435","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G4407196569","display_name":null,"funder_award_id":"62202051","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6466554678","display_name":null,"funder_award_id":"U20A20174","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7782809794","display_name":null,"funder_award_id":"62302162","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8909593907","display_name":null,"funder_award_id":"62372068","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321543","display_name":"China Postdoctoral Science Foundation","ror":"https://ror.org/0426zh255"},{"id":"https://openalex.org/F4320326705","display_name":"Science, Technology and Innovation Commission of Shenzhen Municipality","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":43,"referenced_works":["https://openalex.org/W1987758984","https://openalex.org/W1994669355","https://openalex.org/W2041480327","https://openalex.org/W2147929033","https://openalex.org/W2282819945","https://openalex.org/W2342635042","https://openalex.org/W2603469204","https://openalex.org/W2754946945","https://openalex.org/W2783225074","https://openalex.org/W2889349423","https://openalex.org/W2905257503","https://openalex.org/W2950815277","https://openalex.org/W2951475536","https://openalex.org/W2953030092","https://openalex.org/W2964280086","https://openalex.org/W3005805302","https://openalex.org/W3033003550","https://openalex.org/W3046946952","https://openalex.org/W3081105446","https://openalex.org/W3160147183","https://openalex.org/W3168841635","https://openalex.org/W3171173903","https://openalex.org/W3197596929","https://openalex.org/W3206970138","https://openalex.org/W3209153114","https://openalex.org/W3210790717","https://openalex.org/W4205670437","https://openalex.org/W4206625187","https://openalex.org/W4210795501","https://openalex.org/W4212962064","https://openalex.org/W4213416208","https://openalex.org/W4283211270","https://openalex.org/W4285118693","https://openalex.org/W4288057779","https://openalex.org/W4296339010","https://openalex.org/W4308643128","https://openalex.org/W4312504605","https://openalex.org/W4312698233","https://openalex.org/W4312845824","https://openalex.org/W4313162841","https://openalex.org/W4321612297","https://openalex.org/W4382999347","https://openalex.org/W6784374016"],"related_works":["https://openalex.org/W4387497383","https://openalex.org/W3183948672","https://openalex.org/W3173606202","https://openalex.org/W3110381201","https://openalex.org/W2948807893","https://openalex.org/W2935909890","https://openalex.org/W2778153218","https://openalex.org/W2758277628","https://openalex.org/W1531601525","https://openalex.org/W3032998312"],"abstract_inverted_index":{"In":[0],"spatial":[1],"crowdsourcing,":[2],"location-based":[3,30,80],"task":[4,31,81,199],"recommendation":[5,32,82],"schemes":[6,33,44,84,150,178],"are":[7,179],"widely":[8],"used":[9,63],"to":[10,64,113,140],"match":[11],"appropriate":[12,66],"workers":[13],"in":[14,181,198],"desired":[15],"geographic":[16,53],"areas":[17],"with":[18,186],"relevant":[19],"tasks":[20],"from":[21],"data":[22,26],"requesters.":[23],"To":[24,68],"ensure":[25],"confidentiality,":[27],"various":[28],"privacy-preserving":[29,79],"have":[34],"been":[35],"proposed,":[36],"as":[37],"cloud":[38],"servers":[39],"behave":[40],"semi-honestly.":[41],"However,":[42],"existing":[43],"reveal":[45],"access":[46,90,120,168],"patterns,":[47],"and":[48,78,89,107,118,131,133,159,162],"the":[49,52,70,127,152,195],"dimension":[50],"of":[51,154,183],"query":[54,160],"increases":[55],"significantly":[56],"when":[57],"additional":[58],"information":[59],"beyond":[60],"locations":[61],"is":[62],"filter":[65],"workers.":[67],"address":[69],"above":[71],"challenges,":[72],"this":[73],"paper":[74],"proposes":[75],"two":[76],"efficient":[77,180],"(EPTR)":[83],"that":[85,102,148,175],"support":[86],"high-dimensional":[87],"queries":[88],"pattern":[91,121,169],"privacy":[92,122],"protection.":[93,123],"First,":[94],"we":[95,125],"propose":[96],"a":[97,135],"basic":[98],"EPTR":[99,137,177],"scheme":[100,138,197],"(EPTR-I)":[101],"utilizes":[103],"randomizable":[104],"matrix":[105],"multiplication":[106],"public":[108],"position":[109],"intersection":[110],"test":[111],"(PPIT)":[112],"achieve":[114,141,163],"linear":[115],"search":[116,143],"complexity":[117],"full":[119],"Then,":[124],"explore":[126],"trade-off":[128],"between":[129],"efficiency":[130],"security":[132,165],"develop":[134],"tree-based":[136],"(EPTR-II)":[139],"sub-linear":[142],"complexity.":[144],"Security":[145],"analysis":[146],"demonstrates":[147],"both":[149,176],"protect":[151],"confidentiality":[153],"worker":[155],"locations,":[156],"requester":[157],"queries,":[158],"results":[161],"different":[164],"properties":[166],"on":[167],"assurance.":[170],"Extensive":[171],"performance":[172],"evaluation":[173],"shows":[174],"terms":[182],"computational":[184],"cost,":[185],"EPTR-II":[187],"being":[188],"<inline-formula":[189],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[190],"xmlns:xlink=\"http://www.w3.org/1999/xlink\"><tex-math":[191],"notation=\"LaTeX\">$10^{3}\\times$</tex-math></inline-formula>":[192],"faster":[193],"than":[194],"state-of-the-art":[196],"recommendation.":[200]},"counts_by_year":[{"year":2026,"cited_by_count":4},{"year":2025,"cited_by_count":15},{"year":2024,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
