{"id":"https://openalex.org/W7155941534","doi":"https://doi.org/10.48550/arxiv.2604.22100","title":"Implementation and Privacy Guarantees for Scalable Keyword Search on SOLID-based Decentralized Data with Granular Visibility Constraints","display_name":"Implementation and Privacy Guarantees for Scalable Keyword Search on SOLID-based Decentralized Data with Granular Visibility Constraints","publication_year":2026,"publication_date":"2026-04-23","ids":{"openalex":"https://openalex.org/W7155941534","doi":"https://doi.org/10.48550/arxiv.2604.22100"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2604.22100","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2604.22100","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2604.22100","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101606061","display_name":"Mohamed Ragab","orcid":"https://orcid.org/0000-0002-9048-7873"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ragab, Mohamed","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033399214","display_name":"Faria Ferooz","orcid":"https://orcid.org/0000-0002-8150-7852"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ferooz, Faria","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5134719350","display_name":"Mohammad Bahrani","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Bahrani, Mohammad","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5134660494","display_name":"Helen Oliver","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Oliver, Helen","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078041422","display_name":"Thanassis Tiropanis","orcid":"https://orcid.org/0000-0002-6195-2852"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Tiropanis, Thanassis","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051400056","display_name":"Alexandra Poulovassilis","orcid":"https://orcid.org/0000-0001-8981-4104"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Poulovassilis, Alexandra","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013015057","display_name":"Adriane Chapman","orcid":"https://orcid.org/0000-0002-3814-2587"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Chapman, Adriane","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5008545219","display_name":"George Roussos","orcid":"https://orcid.org/0000-0002-7665-7303"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Roussos, George","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10927","display_name":"Access Control and Trust","score":0.32199999690055847,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T10927","display_name":"Access Control and Trust","score":0.32199999690055847,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.10239999741315842,"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/T10742","display_name":"Peer-to-Peer Network Technologies","score":0.0649000033736229,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/metadata","display_name":"Metadata","score":0.8147000074386597},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.6539999842643738},{"id":"https://openalex.org/keywords/information-privacy","display_name":"Information privacy","score":0.4487000107765198},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.43880000710487366},{"id":"https://openalex.org/keywords/server","display_name":"Server","score":0.41370001435279846},{"id":"https://openalex.org/keywords/ranking","display_name":"Ranking (information retrieval)","score":0.4016999900341034},{"id":"https://openalex.org/keywords/data-sharing","display_name":"Data sharing","score":0.373199999332428},{"id":"https://openalex.org/keywords/data-integrity","display_name":"Data integrity","score":0.364300012588501},{"id":"https://openalex.org/keywords/access-control","display_name":"Access control","score":0.36169999837875366}],"concepts":[{"id":"https://openalex.org/C93518851","wikidata":"https://www.wikidata.org/wiki/Q180160","display_name":"Metadata","level":2,"score":0.8147000074386597},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7724999785423279},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.6539999842643738},{"id":"https://openalex.org/C123201435","wikidata":"https://www.wikidata.org/wiki/Q456632","display_name":"Information privacy","level":2,"score":0.4487000107765198},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.43880000710487366},{"id":"https://openalex.org/C93996380","wikidata":"https://www.wikidata.org/wiki/Q44127","display_name":"Server","level":2,"score":0.41370001435279846},{"id":"https://openalex.org/C189430467","wikidata":"https://www.wikidata.org/wiki/Q7293293","display_name":"Ranking (information retrieval)","level":2,"score":0.4016999900341034},{"id":"https://openalex.org/C2779965156","wikidata":"https://www.wikidata.org/wiki/Q5227350","display_name":"Data sharing","level":3,"score":0.373199999332428},{"id":"https://openalex.org/C33762810","wikidata":"https://www.wikidata.org/wiki/Q461671","display_name":"Data integrity","level":2,"score":0.364300012588501},{"id":"https://openalex.org/C527821871","wikidata":"https://www.wikidata.org/wiki/Q228502","display_name":"Access control","level":2,"score":0.36169999837875366},{"id":"https://openalex.org/C47487241","wikidata":"https://www.wikidata.org/wiki/Q5227230","display_name":"Data access","level":2,"score":0.3547999858856201},{"id":"https://openalex.org/C169093310","wikidata":"https://www.wikidata.org/wiki/Q3702971","display_name":"Personally identifiable information","level":2,"score":0.3328999876976013},{"id":"https://openalex.org/C75165309","wikidata":"https://www.wikidata.org/wiki/Q2258979","display_name":"Search engine indexing","level":2,"score":0.32839998602867126},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.32519999146461487},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.31630000472068787},{"id":"https://openalex.org/C82578977","wikidata":"https://www.wikidata.org/wiki/Q16773055","display_name":"Data aggregator","level":3,"score":0.3149000108242035},{"id":"https://openalex.org/C123403432","wikidata":"https://www.wikidata.org/wiki/Q654068","display_name":"Visibility","level":2,"score":0.31470000743865967},{"id":"https://openalex.org/C67186912","wikidata":"https://www.wikidata.org/wiki/Q367664","display_name":"Data modeling","level":2,"score":0.2994999885559082},{"id":"https://openalex.org/C70061542","wikidata":"https://www.wikidata.org/wiki/Q989016","display_name":"Distributed database","level":2,"score":0.29739999771118164},{"id":"https://openalex.org/C2779201187","wikidata":"https://www.wikidata.org/wiki/Q2775060","display_name":"Information leakage","level":2,"score":0.2872999906539917},{"id":"https://openalex.org/C38369872","wikidata":"https://www.wikidata.org/wiki/Q7445009","display_name":"Security analysis","level":2,"score":0.28690001368522644},{"id":"https://openalex.org/C69360830","wikidata":"https://www.wikidata.org/wiki/Q1172237","display_name":"Data Protection Act 1998","level":2,"score":0.2815000116825104},{"id":"https://openalex.org/C137822555","wikidata":"https://www.wikidata.org/wiki/Q2587068","display_name":"Information sensitivity","level":2,"score":0.28139999508857727},{"id":"https://openalex.org/C2776436953","wikidata":"https://www.wikidata.org/wiki/Q5163215","display_name":"Consistency (knowledge bases)","level":2,"score":0.2806999981403351},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.2590999901294708},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.2565999925136566},{"id":"https://openalex.org/C2776945810","wikidata":"https://www.wikidata.org/wiki/Q17006654","display_name":"Data anonymization","level":3,"score":0.2556000053882599},{"id":"https://openalex.org/C147224247","wikidata":"https://www.wikidata.org/wiki/Q885373","display_name":"Bloom filter","level":2,"score":0.2549000084400177},{"id":"https://openalex.org/C75684735","wikidata":"https://www.wikidata.org/wiki/Q858810","display_name":"Big data","level":2,"score":0.25189998745918274}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2604.22100","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2604.22100","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2604.22100","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2604.22100","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure","score":0.5855095386505127}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"In":[0,28],"decentralized":[1,55,74,169],"personal":[2,18,142],"data":[3,16,20,31,138,143],"ecosystems":[4],"grounded":[5],"in":[6],"architectures":[7],"such":[8,29],"as":[9],"Solid,":[10],"users":[11],"retain":[12],"sovereignty":[13],"over":[14],"their":[15],"via":[17],"online":[19],"stores":[21],"(pods),":[22],"hosted":[23],"on":[24],"Solid-compliant":[25],"server":[26],"infrastructures.":[27],"environments,":[30],"remains":[32],"under":[33,65],"the":[34,106,113,129,173],"control":[35],"of":[36,73,118,175],"pod":[37],"owners,":[38],"which":[39],"complicates":[40],"search":[41,60,75,170],"due":[42],"to":[43,86,133],"distribution":[44],"across":[45,61,93],"numerous":[46],"pods":[47,64,81],"and":[48,82,91,108,116,120,128,171],"user-specific":[49],"access":[50],"constraints.":[51],"ESPRESSO":[52],"is":[53],"a":[54,99,164],"framework":[56],"for":[57,103,131,166],"scalable":[58],"keyword-based":[59],"distributed":[62],"Solid":[63],"user-defined":[66],"visibility":[67],"policies.":[68],"It":[69],"addresses":[70],"key":[71,148],"challenges":[72],"by":[76],"constructing":[77],"WebID-scoped":[78],"indexes":[79,119],"within":[80,141],"employing":[83],"privacy-aware":[84],"metadata":[85,126,153],"enable":[87],"efficient":[88],"source":[89],"selection":[90],"ranking":[92],"servers.":[94],"This":[95],"paper":[96],"further":[97],"introduces":[98],"formal":[100],"threat":[101,161],"model":[102,162],"ESPRESSO,":[104],"analysing":[105],"security":[107],"privacy":[109,179],"risks":[110,123],"associated":[111],"with":[112,177],"generation,":[114],"aggregation,":[115],"use":[117],"metadata.":[121],"These":[122],"include":[124],"unintended":[125],"leakage":[127],"potential":[130],"adversaries":[132],"infer":[134],"sensitive":[135],"information":[136],"about":[137],"that":[139,151],"resides":[140],"stores.":[144],"The":[145,159],"analysis":[146],"identifies":[147],"design":[149,174],"principles":[150],"limit":[152],"exposure":[154],"while":[155],"mitigating":[156],"unauthorized":[157],"inference.":[158],"proposed":[160],"provides":[163],"foundation":[165],"evaluating":[167],"privacy-preserving":[168],"informs":[172],"systems":[176],"stronger":[178],"guarantees.":[180]},"counts_by_year":[],"updated_date":"2026-07-28T07:46:37.118299","created_date":"2026-04-28T00:00:00"}