{"id":"https://openalex.org/W3162908733","doi":"https://doi.org/10.1109/jsyst.2021.3073169","title":"Efficient Data Retrieval Over Encrypted Attribute-Value Type Databases in Cloud-Assisted Ehealth Systems","display_name":"Efficient Data Retrieval Over Encrypted Attribute-Value Type Databases in Cloud-Assisted Ehealth Systems","publication_year":2021,"publication_date":"2021-05-06","ids":{"openalex":"https://openalex.org/W3162908733","doi":"https://doi.org/10.1109/jsyst.2021.3073169","mag":"3162908733"},"language":"en","primary_location":{"id":"doi:10.1109/jsyst.2021.3073169","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsyst.2021.3073169","pdf_url":null,"source":{"id":"https://openalex.org/S95999327","display_name":"IEEE Systems Journal","issn_l":"1932-8184","issn":["1932-8184","1937-9234","2373-7816"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Systems 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/A5100371477","display_name":"Shanshan Li","orcid":"https://orcid.org/0000-0002-2120-4278"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Shanshan Li","raw_affiliation_strings":["School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0002-2120-4278","affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064473849","display_name":"Chunxiang Xu","orcid":"https://orcid.org/0000-0002-5411-7621"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]},{"id":"https://openalex.org/I3018263800","display_name":"Huzhou University","ror":"https://ror.org/04mvpxy20","country_code":"CN","type":"education","lineage":["https://openalex.org/I3018263800"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chunxiang Xu","raw_affiliation_strings":["School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China","Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou, China"],"raw_orcid":"https://orcid.org/0000-0002-5411-7621","affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]},{"raw_affiliation_string":"Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou, China","institution_ids":["https://openalex.org/I3018263800"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029752627","display_name":"Yuan Zhang","orcid":null},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]},{"id":"https://openalex.org/I3018263800","display_name":"Huzhou University","ror":"https://ror.org/04mvpxy20","country_code":"CN","type":"education","lineage":["https://openalex.org/I3018263800"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuan Zhang","raw_affiliation_strings":["School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China","Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou, China"],"raw_orcid":"https://orcid.org/0000-0002-7909-9845","affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]},{"raw_affiliation_string":"Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou, China","institution_ids":["https://openalex.org/I3018263800"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089207627","display_name":"Yicong Du","orcid":"https://orcid.org/0000-0001-5105-4648"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yicong Du","raw_affiliation_strings":["School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012789066","display_name":"Xinsheng Wen","orcid":null},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xinsheng Wen","raw_affiliation_strings":["School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101672513","display_name":"Kefei Chen","orcid":null},"institutions":[{"id":"https://openalex.org/I163151501","display_name":"Hangzhou Normal University","ror":"https://ror.org/014v1mr15","country_code":"CN","type":"education","lineage":["https://openalex.org/I163151501"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kefei Chen","raw_affiliation_strings":["Department of Mathematics, Hangzhou Normal University, Hangzhou, China"],"raw_orcid":"https://orcid.org/0000-0003-1961-5614","affiliations":[{"raw_affiliation_string":"Department of Mathematics, Hangzhou Normal University, Hangzhou, China","institution_ids":["https://openalex.org/I163151501"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5012016098","display_name":"Jianfeng Ma","orcid":"https://orcid.org/0000-0003-4251-1143"},"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"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianfeng Ma","raw_affiliation_strings":["School of Cyber Engineering, Xidian University, Xi&#x2019;an, China"],"raw_orcid":"https://orcid.org/0000-0003-4251-1143","affiliations":[{"raw_affiliation_string":"School of Cyber Engineering, Xidian University, Xi&#x2019;an, China","institution_ids":["https://openalex.org/I149594827"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5100371477"],"corresponding_institution_ids":["https://openalex.org/I150229711"],"apc_list":null,"apc_paid":null,"fwci":2.3797,"has_fulltext":false,"cited_by_count":20,"citation_normalized_percentile":{"value":0.90460409,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":95,"max":98},"biblio":{"volume":"16","issue":"2","first_page":"3096","last_page":"3107"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":1.0,"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/T10237","display_name":"Cryptography and Data Security","score":1.0,"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/T11614","display_name":"Cloud Data Security Solutions","score":0.9961000084877014,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9948999881744385,"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/encryption","display_name":"Encryption","score":0.7931846380233765},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6942117214202881},{"id":"https://openalex.org/keywords/ehealth","display_name":"eHealth","score":0.6248664259910583},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.570219874382019},{"id":"https://openalex.org/keywords/identity","display_name":"Identity (music)","score":0.5694818496704102},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.5247131586074829},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.5059263110160828},{"id":"https://openalex.org/keywords/construct","display_name":"Construct (python library)","score":0.4843098223209381},{"id":"https://openalex.org/keywords/value","display_name":"Value (mathematics)","score":0.43639567494392395},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.36475834250450134},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.2982887625694275},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.09986290335655212},{"id":"https://openalex.org/keywords/health-care","display_name":"Health care","score":0.09494557976722717}],"concepts":[{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.7931846380233765},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6942117214202881},{"id":"https://openalex.org/C202645933","wikidata":"https://www.wikidata.org/wiki/Q4930","display_name":"eHealth","level":3,"score":0.6248664259910583},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.570219874382019},{"id":"https://openalex.org/C2778355321","wikidata":"https://www.wikidata.org/wiki/Q17079427","display_name":"Identity (music)","level":2,"score":0.5694818496704102},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.5247131586074829},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.5059263110160828},{"id":"https://openalex.org/C2780801425","wikidata":"https://www.wikidata.org/wiki/Q5164392","display_name":"Construct (python library)","level":2,"score":0.4843098223209381},{"id":"https://openalex.org/C2776291640","wikidata":"https://www.wikidata.org/wiki/Q2912517","display_name":"Value (mathematics)","level":2,"score":0.43639567494392395},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.36475834250450134},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.2982887625694275},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.09986290335655212},{"id":"https://openalex.org/C160735492","wikidata":"https://www.wikidata.org/wiki/Q31207","display_name":"Health care","level":2,"score":0.09494557976722717},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C50522688","wikidata":"https://www.wikidata.org/wiki/Q189833","display_name":"Economic growth","level":1,"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/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.0},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jsyst.2021.3073169","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsyst.2021.3073169","pdf_url":null,"source":{"id":"https://openalex.org/S95999327","display_name":"IEEE Systems Journal","issn_l":"1932-8184","issn":["1932-8184","1937-9234","2373-7816"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Systems Journal","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G6625555691","display_name":null,"funder_award_id":"61872060","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7168211412","display_name":null,"funder_award_id":"62002050","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":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":43,"referenced_works":["https://openalex.org/W1539859404","https://openalex.org/W1889757464","https://openalex.org/W1993536048","https://openalex.org/W2011212169","https://openalex.org/W2016575873","https://openalex.org/W2030112111","https://openalex.org/W2033165262","https://openalex.org/W2038988507","https://openalex.org/W2086763678","https://openalex.org/W2120839853","https://openalex.org/W2131043660","https://openalex.org/W2145426052","https://openalex.org/W2147929033","https://openalex.org/W2152516507","https://openalex.org/W2161214567","https://openalex.org/W2184702105","https://openalex.org/W2411784622","https://openalex.org/W2763925543","https://openalex.org/W2765463836","https://openalex.org/W2766707306","https://openalex.org/W2800439477","https://openalex.org/W2809795430","https://openalex.org/W2810843672","https://openalex.org/W2891020614","https://openalex.org/W2925071685","https://openalex.org/W2930871722","https://openalex.org/W2943600914","https://openalex.org/W2943832635","https://openalex.org/W2949495942","https://openalex.org/W2953030092","https://openalex.org/W2964280086","https://openalex.org/W2967320897","https://openalex.org/W2980890754","https://openalex.org/W2983813777","https://openalex.org/W3007412953","https://openalex.org/W3011462710","https://openalex.org/W3015305241","https://openalex.org/W3082110198","https://openalex.org/W3094083349","https://openalex.org/W3109218172","https://openalex.org/W3163562723","https://openalex.org/W6713547331","https://openalex.org/W6720239471"],"related_works":["https://openalex.org/W4308190148","https://openalex.org/W2196310376","https://openalex.org/W4281488710","https://openalex.org/W4310458807","https://openalex.org/W754949616","https://openalex.org/W2887033287","https://openalex.org/W2407313067","https://openalex.org/W5201170","https://openalex.org/W4221023391","https://openalex.org/W4248608655"],"abstract_inverted_index":{"In":[0,112],"cloud-assisted":[1],"electronic":[2,7],"health":[3,8],"(eHealth)":[4],"systems,":[5],"outsourced":[6],"records":[9],"(EHRs)":[10],"have":[11],"attribute-value":[12,37,124],"type":[13,38,125],"formats:":[14],"an":[15,19,36,150,161],"EHR":[16],"corresponds":[17],"to":[18,92,106,127,131,142,153,177,192],"entry":[20],"with":[21,206],"a":[22,87,94,117,129],"unique":[23,46],"identity":[24,74,137,151,179],"and":[25,45,138,141,185,203],"has":[26],"multiple":[27],"types":[28],"of":[29,69,97,109,189],"attribute":[30,43,76,139],"values.":[31],"Such":[32],"formatted":[33],"EHRs":[34,55,71,81,104,134,172],"form":[35],"database,":[39],"where":[40],"both":[41],"the":[42,80,107,123,136,167,178,183,187],"values":[44],"identities":[47],"can":[48,169],"serve":[49],"as":[50],"keywords":[51],"for":[52,122],"searching.":[53],"Since":[54],"are":[56,60,82],"very":[57],"sensitive,":[58],"they":[59],"always":[61],"encrypted":[62,83,133,171],"before":[63],"being":[64],"outsourced,":[65],"which":[66],"makes":[67],"retrieval":[68],"target":[70],"by":[72,84,135],"either":[73],"or":[75],"value":[77,140],"hard.":[78],"Moreover,":[79],"different":[85],"doctors,":[86],"researcher,":[88],"who":[89],"is":[90],"delegated":[91],"research":[93],"certain":[95],"kind":[96],"disease,":[98],"cannot":[99],"find":[100],"out":[101],"all":[102],"corresponding":[103],"due":[105],"difference":[108],"encryption":[110,158],"keys.":[111],"this":[113],"article,":[114],"we":[115],"construct":[116],"triple":[118],"dictionary":[119],"index":[120],"structure":[121],"database":[126],"allow":[128],"researcher":[130,168],"retrieve":[132,170],"perform":[143],"dynamic":[144],"operations":[145],"over":[146],"them.":[147],"We":[148,181],"employ":[149],"server":[152],"assist":[154],"doctors":[155],"in":[156],"generating":[157],"keys":[159],"via":[160],"oblivious":[162],"way.":[163],"By":[164],"doing":[165],"so,":[166],"without":[173],"leaking":[174],"any":[175],"information":[176],"server.":[180],"analyze":[182],"security":[184,202,205],"evaluate":[186],"performance":[188],"our":[190],"scheme":[191],"demonstrate":[193],"that":[194],"it":[195],"achieves":[196],"<inline-formula":[197],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[198],"xmlns:xlink=\"http://www.w3.org/1999/xlink\"><tex-math":[199],"notation=\"LaTeX\">$L$</tex-math></inline-formula>":[200],"-adaptive":[201],"forward":[204],"high":[207],"efficiency.":[208]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
