{"id":"https://openalex.org/W2947510282","doi":"https://doi.org/10.1142/s0218001420550083","title":"An Efficient Fully Homomorphic Encryption Scheme for Private Information Retrieval in the Cloud","display_name":"An Efficient Fully Homomorphic Encryption Scheme for Private Information Retrieval in the Cloud","publication_year":2019,"publication_date":"2019-05-27","ids":{"openalex":"https://openalex.org/W2947510282","doi":"https://doi.org/10.1142/s0218001420550083","mag":"2947510282"},"language":"en","primary_location":{"id":"doi:10.1142/s0218001420550083","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0218001420550083","pdf_url":null,"source":{"id":"https://openalex.org/S41486457","display_name":"International Journal of Pattern Recognition and Artificial Intelligence","issn_l":"0218-0014","issn":["0218-0014","1793-6381"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Pattern Recognition and Artificial Intelligence","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/A5100333864","display_name":"Xun Wang","orcid":"https://orcid.org/0000-0002-6383-3881"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xun Wang","raw_affiliation_strings":["Beijing Laboratory of Advanced Information Networks, Beijing University of Posts and Telecommunications, No.10, Xitucheng Road, Haidian District, Beijing 100876, P.\u00a0R.\u00a0China"],"raw_orcid":"https://orcid.org/0000-0002-6383-3881","affiliations":[{"raw_affiliation_string":"Beijing Laboratory of Advanced Information Networks, Beijing University of Posts and Telecommunications, No.10, Xitucheng Road, Haidian District, Beijing 100876, P.\u00a0R.\u00a0China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002713029","display_name":"Tao Luo","orcid":"https://orcid.org/0000-0003-4870-5942"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Tao Luo","raw_affiliation_strings":["Beijing Laboratory of Advanced Information Networks, Beijing Key Laboratory of Network System Architecture and Convergence, Beijing University of Posts and Telecommunications, No.10, Xitucheng Road, Haidian District, Beijing 100876, P.\u00a0R.\u00a0China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing Laboratory of Advanced Information Networks, Beijing Key Laboratory of Network System Architecture and Convergence, Beijing University of Posts and Telecommunications, No.10, Xitucheng Road, Haidian District, Beijing 100876, P.\u00a0R.\u00a0China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100462026","display_name":"Jianfeng Li","orcid":"https://orcid.org/0000-0002-9033-5167"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianfeng Li","raw_affiliation_strings":["Beijing Key Laboratory of Network System Architecture and Convergence, Beijing University of Posts and Telecommunications, No. 10, Xitucheng Road, Haidian District, Beijing 100876, P.\u00a0R.\u00a0China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing Key Laboratory of Network System Architecture and Convergence, Beijing University of Posts and Telecommunications, No. 10, Xitucheng Road, Haidian District, Beijing 100876, P.\u00a0R.\u00a0China","institution_ids":["https://openalex.org/I139759216"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5002713029"],"corresponding_institution_ids":["https://openalex.org/I139759216"],"apc_list":null,"apc_paid":null,"fwci":0.4786,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.73680968,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"34","issue":"04","first_page":"2055008","last_page":"2055008"},"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/T10720","display_name":"Complexity and Algorithms in Graphs","score":0.9965000152587891,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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":0.991599977016449,"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/homomorphic-encryption","display_name":"Homomorphic encryption","score":0.9657201766967773},{"id":"https://openalex.org/keywords/ciphertext","display_name":"Ciphertext","score":0.9220426082611084},{"id":"https://openalex.org/keywords/plaintext","display_name":"Plaintext","score":0.6990419626235962},{"id":"https://openalex.org/keywords/homomorphic-secret-sharing","display_name":"Homomorphic secret sharing","score":0.6677014231681824},{"id":"https://openalex.org/keywords/semantic-security","display_name":"Semantic security","score":0.6308108568191528},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6235895156860352},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.6164944171905518},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.5678329467773438},{"id":"https://openalex.org/keywords/ciphertext-indistinguishability","display_name":"Ciphertext indistinguishability","score":0.5133225321769714},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.4787242114543915},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.4675527811050415},{"id":"https://openalex.org/keywords/malleability","display_name":"Malleability","score":0.40354230999946594},{"id":"https://openalex.org/keywords/cryptography","display_name":"Cryptography","score":0.39792653918266296},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.388171523809433},{"id":"https://openalex.org/keywords/public-key-cryptography","display_name":"Public-key cryptography","score":0.37289875745773315},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.33188945055007935},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.18701797723770142},{"id":"https://openalex.org/keywords/attribute-based-encryption","display_name":"Attribute-based encryption","score":0.17898023128509521},{"id":"https://openalex.org/keywords/secure-multi-party-computation","display_name":"Secure multi-party computation","score":0.11013755202293396}],"concepts":[{"id":"https://openalex.org/C158338273","wikidata":"https://www.wikidata.org/wiki/Q2154943","display_name":"Homomorphic encryption","level":3,"score":0.9657201766967773},{"id":"https://openalex.org/C93974786","wikidata":"https://www.wikidata.org/wiki/Q1589480","display_name":"Ciphertext","level":3,"score":0.9220426082611084},{"id":"https://openalex.org/C92717368","wikidata":"https://www.wikidata.org/wiki/Q1162538","display_name":"Plaintext","level":3,"score":0.6990419626235962},{"id":"https://openalex.org/C132161212","wikidata":"https://www.wikidata.org/wiki/Q5891458","display_name":"Homomorphic secret sharing","level":4,"score":0.6677014231681824},{"id":"https://openalex.org/C204806902","wikidata":"https://www.wikidata.org/wiki/Q2333581","display_name":"Semantic security","level":5,"score":0.6308108568191528},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6235895156860352},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.6164944171905518},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.5678329467773438},{"id":"https://openalex.org/C182776695","wikidata":"https://www.wikidata.org/wiki/Q840661","display_name":"Ciphertext indistinguishability","level":5,"score":0.5133225321769714},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.4787242114543915},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.4675527811050415},{"id":"https://openalex.org/C100980136","wikidata":"https://www.wikidata.org/wiki/Q4668956","display_name":"Malleability","level":4,"score":0.40354230999946594},{"id":"https://openalex.org/C178489894","wikidata":"https://www.wikidata.org/wiki/Q8789","display_name":"Cryptography","level":2,"score":0.39792653918266296},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.388171523809433},{"id":"https://openalex.org/C203062551","wikidata":"https://www.wikidata.org/wiki/Q201339","display_name":"Public-key cryptography","level":3,"score":0.37289875745773315},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.33188945055007935},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.18701797723770142},{"id":"https://openalex.org/C7646194","wikidata":"https://www.wikidata.org/wiki/Q4818713","display_name":"Attribute-based encryption","level":4,"score":0.17898023128509521},{"id":"https://openalex.org/C18396474","wikidata":"https://www.wikidata.org/wiki/Q2465888","display_name":"Secure multi-party computation","level":3,"score":0.11013755202293396},{"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/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1142/s0218001420550083","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0218001420550083","pdf_url":null,"source":{"id":"https://openalex.org/S41486457","display_name":"International Journal of Pattern Recognition and Artificial Intelligence","issn_l":"0218-0014","issn":["0218-0014","1793-6381"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Pattern Recognition and Artificial Intelligence","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16","score":0.5600000023841858}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":24,"referenced_works":["https://openalex.org/W17575016","https://openalex.org/W56544557","https://openalex.org/W116648389","https://openalex.org/W236632755","https://openalex.org/W774911181","https://openalex.org/W913176383","https://openalex.org/W1490654052","https://openalex.org/W1494049356","https://openalex.org/W1497981337","https://openalex.org/W1509320652","https://openalex.org/W1575598731","https://openalex.org/W1798609567","https://openalex.org/W1821099887","https://openalex.org/W2061949491","https://openalex.org/W2132172731","https://openalex.org/W2153886246","https://openalex.org/W2156030242","https://openalex.org/W2176745559","https://openalex.org/W2226167778","https://openalex.org/W2296488250","https://openalex.org/W2558980543","https://openalex.org/W2579162266","https://openalex.org/W2781659627","https://openalex.org/W4248305857"],"related_works":["https://openalex.org/W2587915807","https://openalex.org/W1536085039","https://openalex.org/W113132299","https://openalex.org/W1589129854","https://openalex.org/W2292786713","https://openalex.org/W32954550","https://openalex.org/W2949100118","https://openalex.org/W1799617698","https://openalex.org/W1581530935","https://openalex.org/W2109365488"],"abstract_inverted_index":{"Information":[0],"retrieval":[1,61],"in":[2,179],"the":[3,17,37,40,48,67,123,126,150,153,157,169,176,180],"cloud":[4,18],"is":[5,19,84,98,147,172],"common":[6],"and":[7,73,106,133],"convenient.":[8],"Nevertheless,":[9],"privacy":[10],"concerns":[11],"should":[12],"not":[13,20],"be":[14,31,56,139],"ignored":[15],"as":[16],"fully":[21],"trustable.":[22],"Fully":[23],"Homomorphic":[24],"Encryption":[25],"(FHE)":[26],"allows":[27,129],"arbitrary":[28],"operations":[29,112],"to":[30,138,156],"performed":[32],"on":[33,63,110,113],"encrypted":[34,64],"data,":[35],"where":[36,103],"decryption":[38],"of":[39,42,47,143,152,160,186],"result":[41],"ciphertext":[43,88,114,154,162],"operation":[44,83],"equals":[45],"that":[46,119,168],"corresponding":[49],"plaintext":[50],"operation.":[51],"Thus,":[52],"FHE":[53,68,96],"schemes":[54],"can":[55],"utilized":[57],"for":[58,100,183],"private":[59],"information":[60],"(PIR)":[62],"data.":[65],"In":[66],"scheme":[69,97,128,171,178],"proposed":[70,99,127,170],"by":[71,149],"Ducas":[72],"Micciancio":[74],"(DM),":[75],"only":[76],"a":[77,134,184],"single":[78,135],"homomorphic":[79,104,131,136,145,181],"NOT":[80],"AND":[81],"(NAND)":[82],"allowed":[85,144],"between":[86],"consecutive":[87],"refreshings.":[89],"Aiming":[90],"at":[91],"this":[92],"problem,":[93],"an":[94],"improved":[95],"efficient":[101],"PIR":[102],"additions":[105,132,146],"multiplications":[107],"are":[108],"based":[109],"linear":[111],"vectors.":[115],"Theoretical":[116],"analysis":[117],"shows":[118],"when":[120],"compared":[121],"with":[122],"DM":[124,177],"scheme,":[125],"multiple":[130],"multiplication":[137],"performed.":[140],"The":[141],"number":[142],"determined":[148],"ratio":[151],"modulus":[155],"upper":[158],"bound":[159],"initial":[161],"noise.":[163],"Moreover,":[164],"simulation":[165],"results":[166],"show":[167],"significantly":[173],"faster":[174],"than":[175],"evaluation":[182],"series":[185],"algorithms.":[187]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":3}],"updated_date":"2026-07-15T05:50:42.429089","created_date":"2025-10-10T00:00:00"}
