{"id":"https://openalex.org/W2998041470","doi":"https://doi.org/10.1109/access.2019.2963096","title":"A Privacy-Preserving Multi-Keyword Ranked Search Over Encrypted Data in Hybrid Clouds","display_name":"A Privacy-Preserving Multi-Keyword Ranked Search Over Encrypted Data in Hybrid Clouds","publication_year":2019,"publication_date":"2019-12-31","ids":{"openalex":"https://openalex.org/W2998041470","doi":"https://doi.org/10.1109/access.2019.2963096","mag":"2998041470"},"language":"en","primary_location":{"id":"doi:10.1109/access.2019.2963096","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2019.2963096","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/08946623.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/08946623.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5081467995","display_name":"Hua Dai","orcid":"https://orcid.org/0000-0003-2465-8977"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]},{"id":"https://openalex.org/I4210126530","display_name":"Data Assurance and Communication Security","ror":"https://ror.org/02z2gfm30","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210126530","https://openalex.org/I4210156404"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hua Dai","raw_affiliation_strings":["Jiangsu Security and Intelligent Processing Lab of Big Data, Nanjing, China","Nanjing University of Post and Telecommunication, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0003-2465-8977","affiliations":[{"raw_affiliation_string":"Jiangsu Security and Intelligent Processing Lab of Big Data, Nanjing, China","institution_ids":["https://openalex.org/I4210126530"]},{"raw_affiliation_string":"Nanjing University of Post and Telecommunication, Nanjing, China","institution_ids":["https://openalex.org/I41198531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101953997","display_name":"Yan Ji","orcid":null},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yan Ji","raw_affiliation_strings":["Nanjing University of Post and Telecommunication, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0003-2120-7476","affiliations":[{"raw_affiliation_string":"Nanjing University of Post and Telecommunication, Nanjing, China","institution_ids":["https://openalex.org/I41198531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101848201","display_name":"Geng Yang","orcid":"https://orcid.org/0000-0001-7740-2401"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]},{"id":"https://openalex.org/I4210126530","display_name":"Data Assurance and Communication Security","ror":"https://ror.org/02z2gfm30","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210126530","https://openalex.org/I4210156404"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Geng Yang","raw_affiliation_strings":["Jiangsu Security and Intelligent Processing Lab of Big Data, Nanjing, China","Nanjing University of Post and Telecommunication, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0001-7740-2401","affiliations":[{"raw_affiliation_string":"Jiangsu Security and Intelligent Processing Lab of Big Data, Nanjing, China","institution_ids":["https://openalex.org/I4210126530"]},{"raw_affiliation_string":"Nanjing University of Post and Telecommunication, Nanjing, China","institution_ids":["https://openalex.org/I41198531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088237102","display_name":"Haiping Huang","orcid":"https://orcid.org/0000-0002-4392-3599"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haiping Huang","raw_affiliation_strings":["Nanjing University of Post and Telecommunication, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0002-4392-3599","affiliations":[{"raw_affiliation_string":"Nanjing University of Post and Telecommunication, Nanjing, China","institution_ids":["https://openalex.org/I41198531"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100709723","display_name":"Xun Yi","orcid":"https://orcid.org/0000-0001-7351-5724"},"institutions":[{"id":"https://openalex.org/I82951845","display_name":"RMIT University","ror":"https://ror.org/04ttjf776","country_code":"AU","type":"education","lineage":["https://openalex.org/I82951845"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Xun Yi","raw_affiliation_strings":["Royal Melbourne Institute of Technology University, Melbourne, Australia"],"raw_orcid":"https://orcid.org/0000-0001-7351-5724","affiliations":[{"raw_affiliation_string":"Royal Melbourne Institute of Technology University, Melbourne, Australia","institution_ids":["https://openalex.org/I82951845"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":1.9766,"has_fulltext":true,"cited_by_count":28,"citation_normalized_percentile":{"value":0.89948155,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":"8","issue":null,"first_page":"4895","last_page":"4907"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":0.9998999834060669,"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":0.9998999834060669,"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/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9991000294685364,"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/T11017","display_name":"Chaos-based Image/Signal Encryption","score":0.9977999925613403,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/keyword-search","display_name":"Keyword search","score":0.7901780605316162},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7874900698661804},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.7105671167373657},{"id":"https://openalex.org/keywords/information-privacy","display_name":"Information privacy","score":0.4684237241744995},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.4415312111377716},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.42604219913482666},{"id":"https://openalex.org/keywords/internet-privacy","display_name":"Internet privacy","score":0.29130029678344727},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.26039132475852966}],"concepts":[{"id":"https://openalex.org/C2988412617","wikidata":"https://www.wikidata.org/wiki/Q7441656","display_name":"Keyword search","level":2,"score":0.7901780605316162},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7874900698661804},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.7105671167373657},{"id":"https://openalex.org/C123201435","wikidata":"https://www.wikidata.org/wiki/Q456632","display_name":"Information privacy","level":2,"score":0.4684237241744995},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.4415312111377716},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.42604219913482666},{"id":"https://openalex.org/C108827166","wikidata":"https://www.wikidata.org/wiki/Q175975","display_name":"Internet privacy","level":1,"score":0.29130029678344727},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.26039132475852966},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/access.2019.2963096","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2019.2963096","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/08946623.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:alma61RMIT.INST:11279053470001341","is_oa":true,"landing_page_url":"https://doi.org/10.1109/ACCESS.2019.2963096","pdf_url":null,"source":{"id":"https://openalex.org/S4306402074","display_name":"RMIT Research Repository (RMIT University Library)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I82951845","host_organization_name":"RMIT University","host_organization_lineage":["https://openalex.org/I82951845"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"text"},{"id":"pmh:oai:doaj.org/article:a7952478009e4c1eb36eb3b46e2ccb02","is_oa":true,"landing_page_url":"https://doaj.org/article/a7952478009e4c1eb36eb3b46e2ccb02","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 8, Pp 4895-4907 (2020)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2019.2963096","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2019.2963096","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/08946623.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","score":0.5400000214576721,"display_name":"Industry, innovation and infrastructure"}],"awards":[{"id":"https://openalex.org/G1219144297","display_name":null,"funder_award_id":"61872197","funder_id":"https://openalex.org/F4320323268","funder_display_name":"Nanjing University of Posts and Telecommunications"},{"id":"https://openalex.org/G1515389928","display_name":null,"funder_award_id":"NY219142","funder_id":"https://openalex.org/F4320323268","funder_display_name":"Nanjing University of Posts and Telecommunications"},{"id":"https://openalex.org/G1664486759","display_name":null,"funder_award_id":"61972209","funder_id":"https://openalex.org/F4320324852","funder_display_name":"Nanjing University"},{"id":"https://openalex.org/G1991877372","display_name":null,"funder_award_id":"61902199","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2017455527","display_name":null,"funder_award_id":"61872197","funder_id":"https://openalex.org/F4320324852","funder_display_name":"Nanjing University"},{"id":"https://openalex.org/G2179054245","display_name":null,"funder_award_id":"61672297","funder_id":"https://openalex.org/F4320334897","funder_display_name":"Natural Science Foundation of Anhui Province"},{"id":"https://openalex.org/G2489706145","display_name":"\u9762\u5411\u4e91\u73af\u5883\u5927\u6570\u636e\u5904\u7406\u7684\u5dee\u5206\u9690\u79c1\u4fdd\u62a4\u7406\u8bba\u4e0e\u5173\u952e\u6280\u672f\u7814\u7a76","funder_award_id":"61972209","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G260125575","display_name":null,"funder_award_id":"2019M651919r2","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G2870020370","display_name":null,"funder_award_id":"61572263","funder_id":"https://openalex.org/F4320324852","funder_display_name":"Nanjing University"},{"id":"https://openalex.org/G2993848705","display_name":null,"funder_award_id":"1608085MF127","funder_id":"https://openalex.org/F4320334897","funder_display_name":"Natural Science Foundation of Anhui Province"},{"id":"https://openalex.org/G3209746271","display_name":null,"funder_award_id":"61972209","funder_id":"https://openalex.org/F4320323268","funder_display_name":"Nanjing University of Posts and Telecommunications"},{"id":"https://openalex.org/G4982060639","display_name":null,"funder_award_id":"61872197","funder_id":"https://openalex.org/F4320334897","funder_display_name":"Natural Science Foundation of Anhui Province"},{"id":"https://openalex.org/G5021517622","display_name":null,"funder_award_id":"61872193","funder_id":"https://openalex.org/F4320334897","funder_display_name":"Natural Science Foundation of Anhui Province"},{"id":"https://openalex.org/G5219781714","display_name":null,"funder_award_id":"1608085MF127","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5279837003","display_name":null,"funder_award_id":"61972209","funder_id":"https://openalex.org/F4320334897","funder_display_name":"Natural Science Foundation of Anhui Province"},{"id":"https://openalex.org/G5374933064","display_name":"\u4e91\u8ba1\u7b97\u73af\u5883\u4e2d\u9762\u5411\u6570\u636e\u591a\u7ef4\u9690\u79c1\u4fdd\u62a4\u7684\u5173\u952e\u6280\u672f\u7814\u7a76","funder_award_id":"61572263","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G564285237","display_name":null,"funder_award_id":"61572263","funder_id":"https://openalex.org/F4320323268","funder_display_name":"Nanjing University of Posts and Telecommunications"},{"id":"https://openalex.org/G5766198344","display_name":null,"funder_award_id":"NY217119","funder_id":"https://openalex.org/F4320323268","funder_display_name":"Nanjing University of Posts and Telecommunications"},{"id":"https://openalex.org/G6216349123","display_name":null,"funder_award_id":"NY217119","funder_id":"https://openalex.org/F4320324852","funder_display_name":"Nanjing University"},{"id":"https://openalex.org/G6330198146","display_name":null,"funder_award_id":"KJ2017A419","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6588750428","display_name":null,"funder_award_id":"NY217119","funder_id":"https://openalex.org/F4320334897","funder_display_name":"Natural Science Foundation of Anhui Province"},{"id":"https://openalex.org/G6979847012","display_name":null,"funder_award_id":"61872193","funder_id":"https://openalex.org/F4320323268","funder_display_name":"Nanjing University of Posts and Telecommunications"},{"id":"https://openalex.org/G703167962","display_name":null,"funder_award_id":"NY219142","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7058848123","display_name":null,"funder_award_id":"61672297","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7069207763","display_name":null,"funder_award_id":"KJ2017A419","funder_id":"https://openalex.org/F4320323268","funder_display_name":"Nanjing University of Posts and Telecommunications"},{"id":"https://openalex.org/G7094046236","display_name":null,"funder_award_id":"61572263","funder_id":"https://openalex.org/F4320334897","funder_display_name":"Natural Science Foundation of Anhui Province"},{"id":"https://openalex.org/G7569768264","display_name":null,"funder_award_id":"NY217119","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8312509736","display_name":null,"funder_award_id":"61672297","funder_id":"https://openalex.org/F4320323268","funder_display_name":"Nanjing University of Posts and Telecommunications"},{"id":"https://openalex.org/G8572827528","display_name":"\u57fa\u4e8e\u7b97\u6cd5\u535a\u5f08\u7406\u8bba\u7684\u7fa4\u667a\u611f\u77e5\u4ed8\u8d39\u578b\u6fc0\u52b1\u673a\u5236\u7814\u7a76","funder_award_id":"61872193","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8741461366","display_name":"\u9762\u5411\u5916\u5305\u4e91\u73af\u5883\u7684\u5b89\u5168\u6392\u5e8f\u68c0\u7d22\u5173\u952e\u6280\u672f\u7814\u7a76","funder_award_id":"61872197","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8748418172","display_name":null,"funder_award_id":"1608085MF127","funder_id":"https://openalex.org/F4320323268","funder_display_name":"Nanjing University of Posts and Telecommunications"},{"id":"https://openalex.org/G8904758919","display_name":null,"funder_award_id":"KJ2017A419","funder_id":"https://openalex.org/F4320334897","funder_display_name":"Natural Science Foundation of Anhui Province"}],"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/F4320323268","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34"},{"id":"https://openalex.org/F4320324852","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760"},{"id":"https://openalex.org/F4320334897","display_name":"Natural Science Foundation of Anhui Province","ror":null}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2998041470.pdf","grobid_xml":"https://content.openalex.org/works/W2998041470.grobid-xml"},"referenced_works_count":34,"referenced_works":["https://openalex.org/W961614124","https://openalex.org/W1895952394","https://openalex.org/W1979493600","https://openalex.org/W2021031005","https://openalex.org/W2041480327","https://openalex.org/W2054701320","https://openalex.org/W2060233069","https://openalex.org/W2089993141","https://openalex.org/W2093175219","https://openalex.org/W2109915041","https://openalex.org/W2116717571","https://openalex.org/W2123845384","https://openalex.org/W2125170840","https://openalex.org/W2125723038","https://openalex.org/W2132257180","https://openalex.org/W2147096042","https://openalex.org/W2147717514","https://openalex.org/W2147929033","https://openalex.org/W2164131468","https://openalex.org/W2165897980","https://openalex.org/W2181470738","https://openalex.org/W2490265015","https://openalex.org/W2541721212","https://openalex.org/W2545851635","https://openalex.org/W2585372799","https://openalex.org/W2734823274","https://openalex.org/W2794180321","https://openalex.org/W2960763650","https://openalex.org/W3120740533","https://openalex.org/W4213009331","https://openalex.org/W4230511558","https://openalex.org/W4300867662","https://openalex.org/W6638901906","https://openalex.org/W6700135281"],"related_works":["https://openalex.org/W4244478748","https://openalex.org/W4223488648","https://openalex.org/W2134969820","https://openalex.org/W2251605416","https://openalex.org/W1997222214","https://openalex.org/W2560439919","https://openalex.org/W4389340727","https://openalex.org/W3150465815","https://openalex.org/W1503401473","https://openalex.org/W3590553"],"abstract_inverted_index":{"With":[0],"the":[1,29,91,93,109,118,122,130,134,138,141,144,147,189],"rapid":[2],"development":[3],"of":[4,72,111,146,195],"cloud":[5,115,132],"computing":[6,20],"services,":[7],"more":[8,10],"and":[9,12,36,103,128,170,176,187],"individuals":[11],"enterprises":[13],"prefer":[14],"to":[15,21,25,41,90,136,162],"outsource":[16],"their":[17],"data":[18,27,30,60],"or":[19],"clouds.":[22],"In":[23,47],"order":[24],"preserve":[26],"privacy,":[28],"should":[31],"be":[32],"encrypted":[33,45,59],"before":[34],"outsourcing":[35],"it":[37],"is":[38,65,74,154],"a":[39,52,80],"challenge":[40],"perform":[42],"searches":[43],"over":[44,58],"data.":[46],"this":[48],"paper,":[49],"we":[50],"propose":[51],"privacy-preserving":[53,179],"multi-keyword":[54,180],"ranked":[55,181],"search":[56,165,182,196],"scheme":[57,152,191],"in":[61,140,193],"hybrid":[62,185],"clouds,":[63],"which":[64,105,156],"denoted":[66],"as":[67,108],"MRSE-HC.":[68],"The":[69,113,167],"keyword":[70,86,94,123],"dictionary":[71],"documents":[73,102,120],"clustered":[75],"into":[76],"balanced":[77],"partitions":[78],"by":[79,121],"bisecting":[81],"$k$":[82],"-means":[83],"clustering":[84],"based":[85,96,125],"partition":[87,95,124],"algorithm.":[88],"According":[89],"partitions,":[92],"bit":[97,126],"vectors":[98],"are":[99,106,178],"adopted":[100],"for":[101,184],"queries":[104],"utilized":[107],"index":[110],"searches.":[112],"private":[114],"filters":[116],"out":[117],"candidate":[119],"vectors,":[127],"then":[129],"public":[131],"uses":[133],"trapdoor":[135],"determine":[137],"result":[139],"candidates.":[142],"On":[143],"basis":[145],"MRSE-HC":[148,175],"scheme,":[149],"an":[150],"enhancement":[151],"EMRSE-HC":[153,177],"proposed,":[155],"adds":[157],"complete":[158],"binary":[159],"pruning":[160],"tree":[161],"further":[163],"improve":[164],"efficiency.":[166,197],"security":[168],"analysis":[169],"performance":[171],"evaluation":[172],"show":[173],"that":[174],"schemes":[183],"clouds":[186],"outperforms":[188],"existing":[190],"FMRS":[192],"terms":[194]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":9},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
