{"id":"https://openalex.org/W2761187678","doi":"https://doi.org/10.1093/comjnl/bxx095","title":"Secure Top-k Preference Query for Location-based Services in Crowd-outsourcing Environments","display_name":"Secure Top-k Preference Query for Location-based Services in Crowd-outsourcing Environments","publication_year":2017,"publication_date":"2017-09-23","ids":{"openalex":"https://openalex.org/W2761187678","doi":"https://doi.org/10.1093/comjnl/bxx095","mag":"2761187678"},"language":"en","primary_location":{"id":"doi:10.1093/comjnl/bxx095","is_oa":false,"landing_page_url":"https://doi.org/10.1093/comjnl/bxx095","pdf_url":null,"source":{"id":"https://openalex.org/S44643521","display_name":"The Computer Journal","issn_l":"0010-4620","issn":["0010-4620","1460-2067"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Computer Journal","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/A5013854450","display_name":"Haiqin Wu","orcid":"https://orcid.org/0000-0002-2942-6975"},"institutions":[{"id":"https://openalex.org/I115592961","display_name":"Jiangsu University","ror":"https://ror.org/03jc41j30","country_code":"CN","type":"education","lineage":["https://openalex.org/I115592961"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haiqin Wu","raw_affiliation_strings":["School of Computer Science and Communication Engineering, Jiangsu University, Zhenjiang 212013, P.R. China"],"raw_orcid":"https://orcid.org/0000-0002-2942-6975","affiliations":[{"raw_affiliation_string":"School of Computer Science and Communication Engineering, Jiangsu University, Zhenjiang 212013, P.R. China","institution_ids":["https://openalex.org/I115592961"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017914641","display_name":"Liangmin Wang","orcid":"https://orcid.org/0000-0003-0048-5979"},"institutions":[{"id":"https://openalex.org/I115592961","display_name":"Jiangsu University","ror":"https://ror.org/03jc41j30","country_code":"CN","type":"education","lineage":["https://openalex.org/I115592961"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Liangmin Wang","raw_affiliation_strings":["School of Computer Science and Communication Engineering, Jiangsu University, Zhenjiang 212013, P.R. China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Computer Science and Communication Engineering, Jiangsu University, Zhenjiang 212013, P.R. China","institution_ids":["https://openalex.org/I115592961"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5027335042","display_name":"Shunrong Jiang","orcid":"https://orcid.org/0000-0003-2823-1794"},"institutions":[{"id":"https://openalex.org/I115592961","display_name":"Jiangsu University","ror":"https://ror.org/03jc41j30","country_code":"CN","type":"education","lineage":["https://openalex.org/I115592961"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shunrong Jiang","raw_affiliation_strings":["School of Computer Science and Communication Engineering, Jiangsu University, Zhenjiang 212013, P.R. China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Computer Science and Communication Engineering, Jiangsu University, Zhenjiang 212013, P.R. China","institution_ids":["https://openalex.org/I115592961"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5017914641"],"corresponding_institution_ids":["https://openalex.org/I115592961"],"apc_list":{"value":2635,"currency":"GBP","value_usd":3232},"apc_paid":null,"fwci":0.2081,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.65152651,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":95},"biblio":{"volume":"61","issue":"4","first_page":"496","last_page":"511"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9991999864578247,"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":0.9991999864578247,"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/T10237","display_name":"Cryptography and Data Security","score":0.9980999827384949,"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/T11106","display_name":"Data Management and Algorithms","score":0.9909999966621399,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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":0.8495063781738281},{"id":"https://openalex.org/keywords/outsourcing","display_name":"Outsourcing","score":0.7323417663574219},{"id":"https://openalex.org/keywords/location-based-service","display_name":"Location-based service","score":0.627808153629303},{"id":"https://openalex.org/keywords/query-optimization","display_name":"Query optimization","score":0.6199086308479309},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.4754773676395416},{"id":"https://openalex.org/keywords/service-provider","display_name":"Service provider","score":0.45206013321876526},{"id":"https://openalex.org/keywords/sargable","display_name":"Sargable","score":0.438355952501297},{"id":"https://openalex.org/keywords/web-query-classification","display_name":"Web query classification","score":0.4261322319507599},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.42402857542037964},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.4161824584007263},{"id":"https://openalex.org/keywords/web-search-query","display_name":"Web search query","score":0.3936651945114136},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.36959367990493774},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.34598132967948914},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.3377940058708191},{"id":"https://openalex.org/keywords/search-engine","display_name":"Search engine","score":0.18290975689888},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.13943320512771606}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8495063781738281},{"id":"https://openalex.org/C46934059","wikidata":"https://www.wikidata.org/wiki/Q61515","display_name":"Outsourcing","level":2,"score":0.7323417663574219},{"id":"https://openalex.org/C155292070","wikidata":"https://www.wikidata.org/wiki/Q1198122","display_name":"Location-based service","level":2,"score":0.627808153629303},{"id":"https://openalex.org/C157692150","wikidata":"https://www.wikidata.org/wiki/Q2919848","display_name":"Query optimization","level":2,"score":0.6199086308479309},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.4754773676395416},{"id":"https://openalex.org/C116537","wikidata":"https://www.wikidata.org/wiki/Q2169973","display_name":"Service provider","level":3,"score":0.45206013321876526},{"id":"https://openalex.org/C192939062","wikidata":"https://www.wikidata.org/wiki/Q104840822","display_name":"Sargable","level":4,"score":0.438355952501297},{"id":"https://openalex.org/C118689300","wikidata":"https://www.wikidata.org/wiki/Q7978614","display_name":"Web query classification","level":4,"score":0.4261322319507599},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.42402857542037964},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.4161824584007263},{"id":"https://openalex.org/C164120249","wikidata":"https://www.wikidata.org/wiki/Q995982","display_name":"Web search query","level":3,"score":0.3936651945114136},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.36959367990493774},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.34598132967948914},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.3377940058708191},{"id":"https://openalex.org/C97854310","wikidata":"https://www.wikidata.org/wiki/Q19541","display_name":"Search engine","level":2,"score":0.18290975689888},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.13943320512771606},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C136264566","wikidata":"https://www.wikidata.org/wiki/Q159810","display_name":"Economy","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},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1093/comjnl/bxx095","is_oa":false,"landing_page_url":"https://doi.org/10.1093/comjnl/bxx095","pdf_url":null,"source":{"id":"https://openalex.org/S44643521","display_name":"The Computer Journal","issn_l":"0010-4620","issn":["0010-4620","1460-2067"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Computer Journal","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G5356833002","display_name":null,"funder_award_id":"U1405255","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5501855335","display_name":null,"funder_award_id":"61272074","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"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1974124424","https://openalex.org/W1979493600","https://openalex.org/W2002313176","https://openalex.org/W2007877577","https://openalex.org/W2061432607","https://openalex.org/W2103747520","https://openalex.org/W2148797863","https://openalex.org/W2160093769","https://openalex.org/W2166793129","https://openalex.org/W2209019814","https://openalex.org/W2248376548","https://openalex.org/W2282819945","https://openalex.org/W2293484369","https://openalex.org/W2559788210"],"related_works":["https://openalex.org/W2096359267","https://openalex.org/W2026738364","https://openalex.org/W1793997780","https://openalex.org/W3125756434","https://openalex.org/W2013069866","https://openalex.org/W2538384344","https://openalex.org/W1560919561","https://openalex.org/W2392799717","https://openalex.org/W2362460270","https://openalex.org/W2572349046"],"abstract_inverted_index":{"This":[0],"paper":[1],"considers":[2],"a":[3,109,140],"practical":[4],"crowd-outsourcing":[5],"system":[6,73],"model":[7],"for":[8,92,159],"location-based":[9,43],"services":[10],"which":[11],"has":[12],"become":[13],"increasingly":[14],"popular":[15],"due":[16],"to":[17,41,56,64,76,90,119,145,161,181],"the":[18,42,79,96,129,147,163,166,182],"rapid":[19],"proliferation":[20],"of":[21,36,38,165,187],"location-aware":[22],"mobile":[23],"devices.":[24],"In":[25,135],"our":[26,120,179],"system,":[27,121],"multiple":[28,133,151],"data":[29,149],"owners":[30],"(DOs)":[31],"outsource":[32],"their":[33,65],"small":[34],"number":[35],"points":[37],"interests":[39],"(POIs)":[40],"service":[44],"provider":[45],"(LBSP),":[46],"then":[47],"LBSP":[48],"manages":[49],"these":[50],"POIs":[51],"datasets":[52,152],"and":[53,59,100,108,128,154,175,189],"allows":[54],"users":[55,91,123,160],"share":[57],"information":[58],"perform":[60],"top-k":[61,98],"queries":[62],"according":[63],"own":[66],"preferences.":[67],"One":[68],"crucial":[69],"problem":[70],"in":[71,185],"this":[72,136],"is":[74],"how":[75],"deal":[77],"with":[78],"untrusted":[80],"LBSP,":[81],"who":[82],"may":[83,131],"return":[84],"fake":[85],"or":[86],"incorrect":[87],"query":[88,99,111,126,130,167],"results":[89,177],"certain":[93],"motives.":[94],"However,":[95],"traditional":[97],"verification":[101],"schemes,":[102],"where":[103],"only":[104],"an":[105],"individual":[106],"DO":[107],"single":[110],"attribute":[112],"are":[113,157],"considered,":[114],"cannot":[115],"be":[116],"efficiently":[117],"applied":[118],"as":[122],"have":[124],"distinct":[125],"preferences":[127],"involve":[132],"DOs.":[134],"paper,":[137],"we":[138],"design":[139],"dominant":[141],"authentication":[142],"graph":[143],"DAUG)":[144],"process":[146],"multi-attribute":[148],"on":[150,170],"efficiently,":[153],"two":[155],"schemes":[156],"proposed":[158],"verify":[162],"integrity":[164],"result":[168],"based":[169],"DAUG.":[171],"Finally,":[172],"theoretical":[173],"analysis":[174],"simulation":[176],"show":[178],"superiority":[180],"previous":[183],"scheme":[184],"terms":[186],"effectiveness":[188],"efficiency.":[190]},"counts_by_year":[{"year":2021,"cited_by_count":2},{"year":2019,"cited_by_count":1}],"updated_date":"2026-05-03T08:25:01.440150","created_date":"2025-10-10T00:00:00"}