{"id":"https://openalex.org/W7128538729","doi":"https://doi.org/10.1186/s42400-025-00457-3","title":"Privacy-preserving graph similarity search with attribute-based access control","display_name":"Privacy-preserving graph similarity search with attribute-based access control","publication_year":2026,"publication_date":"2026-02-11","ids":{"openalex":"https://openalex.org/W7128538729","doi":"https://doi.org/10.1186/s42400-025-00457-3"},"language":"en","primary_location":{"id":"doi:10.1186/s42400-025-00457-3","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s42400-025-00457-3","pdf_url":"https://link.springer.com/content/pdf/10.1186/s42400-025-00457-3.pdf","source":{"id":"https://openalex.org/S3035238565","display_name":"Cybersecurity","issn_l":"2523-3246","issn":["2523-3246"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Cybersecurity","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://link.springer.com/content/pdf/10.1186/s42400-025-00457-3.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5064039260","display_name":"Shawal Khan","orcid":"https://orcid.org/0000-0001-5952-8502"},"institutions":[{"id":"https://openalex.org/I63525965","display_name":"Western Sydney University","ror":"https://ror.org/03t52dk35","country_code":"AU","type":"education","lineage":["https://openalex.org/I63525965"]}],"countries":["AU"],"is_corresponding":true,"raw_author_name":"Shawal Khan","raw_affiliation_strings":["Department of Information Security, National University of Science and Technology, Islamabad, 44000, Pakistan","School of Computer Data and Mathematical Sciences, Western Sydney University, Parramatta, 2150, Australia"],"affiliations":[{"raw_affiliation_string":"Department of Information Security, National University of Science and Technology, Islamabad, 44000, Pakistan","institution_ids":[]},{"raw_affiliation_string":"School of Computer Data and Mathematical Sciences, Western Sydney University, Parramatta, 2150, Australia","institution_ids":["https://openalex.org/I63525965"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5125579751","display_name":"Shahzad Khan","orcid":null},"institutions":[{"id":"https://openalex.org/I63525965","display_name":"Western Sydney University","ror":"https://ror.org/03t52dk35","country_code":"AU","type":"education","lineage":["https://openalex.org/I63525965"]}],"countries":["AU"],"is_corresponding":true,"raw_author_name":"Shahzad Khan","raw_affiliation_strings":["Department of Information Security, National University of Science and Technology, Islamabad, 44000, Pakistan","School of Computer Data and Mathematical Sciences, Western Sydney University, Parramatta, 2150, Australia"],"affiliations":[{"raw_affiliation_string":"Department of Information Security, National University of Science and Technology, Islamabad, 44000, Pakistan","institution_ids":[]},{"raw_affiliation_string":"School of Computer Data and Mathematical Sciences, Western Sydney University, Parramatta, 2150, Australia","institution_ids":["https://openalex.org/I63525965"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5122847214","display_name":"Weisheng Si","orcid":null},"institutions":[{"id":"https://openalex.org/I63525965","display_name":"Western Sydney University","ror":"https://ror.org/03t52dk35","country_code":"AU","type":"education","lineage":["https://openalex.org/I63525965"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Weisheng Si","raw_affiliation_strings":["School of Computer Data and Mathematical Sciences, Western Sydney University, Parramatta, 2150, Australia"],"affiliations":[{"raw_affiliation_string":"School of Computer Data and Mathematical Sciences, Western Sydney University, Parramatta, 2150, Australia","institution_ids":["https://openalex.org/I63525965"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5125567791","display_name":"Bahman Javadi","orcid":null},"institutions":[{"id":"https://openalex.org/I63525965","display_name":"Western Sydney University","ror":"https://ror.org/03t52dk35","country_code":"AU","type":"education","lineage":["https://openalex.org/I63525965"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Bahman Javadi","raw_affiliation_strings":["School of Computer Data and Mathematical Sciences, Western Sydney University, Parramatta, 2150, Australia"],"affiliations":[{"raw_affiliation_string":"School of Computer Data and Mathematical Sciences, Western Sydney University, Parramatta, 2150, Australia","institution_ids":["https://openalex.org/I63525965"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5064039260","https://openalex.org/A5125579751"],"corresponding_institution_ids":["https://openalex.org/I63525965"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.33458855,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"9","issue":"1","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11273","display_name":"Advanced Graph Neural Networks","score":0.7904000282287598,"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/T11273","display_name":"Advanced Graph Neural Networks","score":0.7904000282287598,"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":0.1023000031709671,"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/T12292","display_name":"Graph Theory and Algorithms","score":0.029400000348687172,"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/scalability","display_name":"Scalability","score":0.7089999914169312},{"id":"https://openalex.org/keywords/access-control","display_name":"Access control","score":0.5551000237464905},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.5514000058174133},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.536300003528595},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.4832000136375427},{"id":"https://openalex.org/keywords/information-privacy","display_name":"Information privacy","score":0.40400001406669617},{"id":"https://openalex.org/keywords/graph-database","display_name":"Graph database","score":0.367900013923645},{"id":"https://openalex.org/keywords/nearest-neighbor-search","display_name":"Nearest neighbor search","score":0.35519999265670776}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8438000082969666},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.7089999914169312},{"id":"https://openalex.org/C527821871","wikidata":"https://www.wikidata.org/wiki/Q228502","display_name":"Access control","level":2,"score":0.5551000237464905},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.5514000058174133},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.536300003528595},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.4832000136375427},{"id":"https://openalex.org/C123201435","wikidata":"https://www.wikidata.org/wiki/Q456632","display_name":"Information privacy","level":2,"score":0.40400001406669617},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3765000104904175},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3732999861240387},{"id":"https://openalex.org/C176225458","wikidata":"https://www.wikidata.org/wiki/Q595971","display_name":"Graph database","level":3,"score":0.367900013923645},{"id":"https://openalex.org/C116738811","wikidata":"https://www.wikidata.org/wiki/Q608751","display_name":"Nearest neighbor search","level":2,"score":0.35519999265670776},{"id":"https://openalex.org/C46934059","wikidata":"https://www.wikidata.org/wiki/Q61515","display_name":"Outsourcing","level":2,"score":0.351500004529953},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.3352000117301941},{"id":"https://openalex.org/C204806902","wikidata":"https://www.wikidata.org/wiki/Q2333581","display_name":"Semantic security","level":5,"score":0.3174000084400177},{"id":"https://openalex.org/C38369872","wikidata":"https://www.wikidata.org/wiki/Q7445009","display_name":"Security analysis","level":2,"score":0.3133000135421753},{"id":"https://openalex.org/C47487241","wikidata":"https://www.wikidata.org/wiki/Q5227230","display_name":"Data access","level":2,"score":0.3057999908924103},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.2944999933242798},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.28529998660087585},{"id":"https://openalex.org/C103278499","wikidata":"https://www.wikidata.org/wiki/Q254465","display_name":"Similarity (geometry)","level":3,"score":0.27300000190734863},{"id":"https://openalex.org/C125583679","wikidata":"https://www.wikidata.org/wiki/Q755673","display_name":"Search algorithm","level":2,"score":0.26109999418258667},{"id":"https://openalex.org/C164120249","wikidata":"https://www.wikidata.org/wiki/Q995982","display_name":"Web search query","level":3,"score":0.2572999894618988},{"id":"https://openalex.org/C106891557","wikidata":"https://www.wikidata.org/wiki/Q4148051","display_name":"Wait-for graph","level":4,"score":0.2513999938964844}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1186/s42400-025-00457-3","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s42400-025-00457-3","pdf_url":"https://link.springer.com/content/pdf/10.1186/s42400-025-00457-3.pdf","source":{"id":"https://openalex.org/S3035238565","display_name":"Cybersecurity","issn_l":"2523-3246","issn":["2523-3246"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Cybersecurity","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:c63ecf46f286487e8eb0f31c0a54aee3","is_oa":true,"landing_page_url":"https://doaj.org/article/c63ecf46f286487e8eb0f31c0a54aee3","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Cybersecurity, Vol 9, Iss 1 (2026)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1186/s42400-025-00457-3","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s42400-025-00457-3","pdf_url":"https://link.springer.com/content/pdf/10.1186/s42400-025-00457-3.pdf","source":{"id":"https://openalex.org/S3035238565","display_name":"Cybersecurity","issn_l":"2523-3246","issn":["2523-3246"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Cybersecurity","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","score":0.8060330748558044,"id":"https://metadata.un.org/sdg/16"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320330043","display_name":"Western Sydney University","ror":null}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7128538729.pdf","grobid_xml":"https://content.openalex.org/works/W7128538729.grobid-xml"},"referenced_works_count":40,"referenced_works":["https://openalex.org/W1496879148","https://openalex.org/W1498316612","https://openalex.org/W1539859404","https://openalex.org/W1569095620","https://openalex.org/W1819921529","https://openalex.org/W1835407825","https://openalex.org/W1991514581","https://openalex.org/W2008857988","https://openalex.org/W2015120014","https://openalex.org/W2027959274","https://openalex.org/W2035173902","https://openalex.org/W2041480327","https://openalex.org/W2054701320","https://openalex.org/W2076046175","https://openalex.org/W2087173276","https://openalex.org/W2102415185","https://openalex.org/W2108072891","https://openalex.org/W2110034858","https://openalex.org/W2117685508","https://openalex.org/W2122156945","https://openalex.org/W2126359798","https://openalex.org/W2126425936","https://openalex.org/W2140840007","https://openalex.org/W2147405597","https://openalex.org/W2150307013","https://openalex.org/W2170726034","https://openalex.org/W2406036028","https://openalex.org/W2587187119","https://openalex.org/W2589622533","https://openalex.org/W2615384791","https://openalex.org/W2801080437","https://openalex.org/W2956647878","https://openalex.org/W2962756421","https://openalex.org/W2965783709","https://openalex.org/W2974021353","https://openalex.org/W3088910537","https://openalex.org/W3184859216","https://openalex.org/W4292970446","https://openalex.org/W4365421311","https://openalex.org/W4391128481"],"related_works":[],"abstract_inverted_index":{"Abstract":[0],"Graph-structured":[1],"data":[2,18],"are":[3],"integral":[4],"to":[5,19,73,106,123,145],"applications":[6],"like":[7],"social":[8],"networks,":[9],"biological":[10],"systems,":[11],"cybersecurity,":[12],"and":[13,39,91,159,183],"fraud":[14],"detection.":[15],"Outsourcing":[16],"these":[17],"public":[20],"clouds":[21],"offers":[22],"scalability":[23],"but":[24],"raises":[25],"privacy":[26,134,165],"concerns,":[27],"as":[28],"encryption":[29],"is":[30,69,143],"required":[31],"before":[32],"outsourcing,":[33],"making":[34],"traditional":[35],"graph":[36,52,76,99,112,121],"similarity":[37,53,77],"search":[38,54,78,181],"access":[40,57,85,93,149],"control":[41,58,86],"challenging.":[42],"This":[43,88],"paper":[44],"presents":[45],"a":[46,80,115,153],"novel":[47],"solution":[48],"for":[49,110],"privacy-preserving":[50,75],"full":[51],"with":[55,83],"fine-grained":[56,148],"in":[59,79,94,128],"cloud":[60],"environments.":[61,97],"To":[62],"the":[63,70,102,129,138],"best":[64],"of":[65],"our":[66,174],"knowledge,":[67],"this":[68],"first":[71],"work":[72],"integrate":[74],"multi-user/multi-query":[81],"setting":[82],"attribute-based":[84],"(ABAC).":[87],"enables":[89,120],"scalable":[90],"secure":[92,116],"realistic,":[95],"collaborative":[96],"The":[98],"owner":[100],"leverages":[101],"neural":[103],"Graph2vec":[104],"model":[105],"create":[107],"feature":[108,126],"indexes":[109,127],"encrypted":[111],"data.":[113],"Simultaneously,":[114],"transfer":[117],"learning":[118],"mechanism":[119],"users":[122],"generate":[124],"query":[125,140],"same":[130],"latent":[131],"space,":[132],"ensuring":[133],"while":[135],"accurately":[136],"capturing":[137],"user\u2019s":[139],"intent.":[141],"ABAC":[142],"employed":[144],"enforce":[146],"flexible,":[147],"policies.":[150],"We":[151],"conduct":[152],"formal":[154],"security":[155],"analysis":[156],"under":[157],"known-ciphertext":[158],"known-background":[160],"threat":[161],"models,":[162],"demonstrating":[163],"strong":[164],"guarantees.":[166],"Experimental":[167],"evaluations":[168],"on":[169],"real-world":[170],"datasets":[171],"show":[172],"that":[173],"scheme":[175],"achieves":[176],"high":[177],"semantic":[178],"accuracy,":[179],"lower":[180],"latency,":[182],"reduced":[184],"storage":[185],"overhead,":[186],"outperforming":[187],"existing":[188],"approaches.":[189]},"counts_by_year":[],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2026-02-11T00:00:00"}