{"id":"https://openalex.org/W7159610949","doi":"https://doi.org/10.1109/icoin68469.2026.11480622","title":"A Privacy-Preserving Architecture for Location-Aware Services in Inter-Regional Public WLAN Roaming","display_name":"A Privacy-Preserving Architecture for Location-Aware Services in Inter-Regional Public WLAN Roaming","publication_year":2026,"publication_date":"2026-01-14","ids":{"openalex":"https://openalex.org/W7159610949","doi":"https://doi.org/10.1109/icoin68469.2026.11480622"},"language":"en","primary_location":{"id":"doi:10.1109/icoin68469.2026.11480622","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icoin68469.2026.11480622","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2026 40th International Conference on Information Networking (ICOIN)","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://repository.kulib.kyoto-u.ac.jp/bitstreams/d39496b4-1f34-48a9-b733-de96c04af848/download","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5134988406","display_name":"Yasuo Okabe","orcid":null},"institutions":[{"id":"https://openalex.org/I22299242","display_name":"Kyoto University","ror":"https://ror.org/02kpeqv85","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]},{"id":"https://openalex.org/I39012071","display_name":"Kyoto College of Graduate Studies for Informatics","ror":"https://ror.org/05mzj8a56","country_code":"JP","type":"education","lineage":["https://openalex.org/I39012071"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yasuo Okabe","raw_affiliation_strings":["Academic Center for Computing and Media Studies, Kyoto University,Kyoto,Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Academic Center for Computing and Media Studies, Kyoto University,Kyoto,Japan","institution_ids":["https://openalex.org/I22299242","https://openalex.org/I39012071"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5117540371","display_name":"Takenori Hirose","orcid":null},"institutions":[{"id":"https://openalex.org/I4210097860","display_name":"Kyoto College of Medical Science","ror":"https://ror.org/00y4qff92","country_code":"JP","type":"education","lineage":["https://openalex.org/I4210097860"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takenori Hirose","raw_affiliation_strings":["Local 24, Inc.,Kyoto,Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Local 24, Inc.,Kyoto,Japan","institution_ids":["https://openalex.org/I4210097860"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5134932329","display_name":"Ayaka Kurosawa","orcid":null},"institutions":[{"id":"https://openalex.org/I4210097860","display_name":"Kyoto College of Medical Science","ror":"https://ror.org/00y4qff92","country_code":"JP","type":"education","lineage":["https://openalex.org/I4210097860"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Ayaka Kurosawa","raw_affiliation_strings":["Local 24, Inc.,Kyoto,Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Local 24, Inc.,Kyoto,Japan","institution_ids":["https://openalex.org/I4210097860"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041848667","display_name":"Eisaku Sakane","orcid":"https://orcid.org/0009-0007-9519-4563"},"institutions":[{"id":"https://openalex.org/I184597095","display_name":"National Institute of Informatics","ror":"https://ror.org/04ksd4g47","country_code":"JP","type":"facility","lineage":["https://openalex.org/I1319490839","https://openalex.org/I184597095","https://openalex.org/I4210158934"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Eisaku Sakane","raw_affiliation_strings":["National Institute of Informatics,Tokyo,Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Institute of Informatics,Tokyo,Japan","institution_ids":["https://openalex.org/I184597095"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5074759731","display_name":"Hideaki Goto","orcid":"https://orcid.org/0000-0002-6083-3587"},"institutions":[{"id":"https://openalex.org/I4210093896","display_name":"Tohoku University Hospital","ror":"https://ror.org/00kcd6x60","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210093896"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hideaki Goto","raw_affiliation_strings":["Cyberscience Center, Tohoku University,Sendai,Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Cyberscience Center, Tohoku University,Sendai,Japan","institution_ids":["https://openalex.org/I4210093896"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"70","last_page":"75"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11896","display_name":"Opportunistic and Delay-Tolerant Networks","score":0.1915999948978424,"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"}},"topics":[{"id":"https://openalex.org/T11896","display_name":"Opportunistic and Delay-Tolerant Networks","score":0.1915999948978424,"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"}},{"id":"https://openalex.org/T10246","display_name":"Mobile Ad Hoc Networks","score":0.12780000269412994,"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"}},{"id":"https://openalex.org/T11158","display_name":"Wireless Networks and Protocols","score":0.1251000016927719,"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/roaming","display_name":"Roaming","score":0.5027999877929688},{"id":"https://openalex.org/keywords/architecture","display_name":"Architecture","score":0.3765999972820282},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.3384000062942505},{"id":"https://openalex.org/keywords/systems-architecture","display_name":"Systems architecture","score":0.3278000056743622},{"id":"https://openalex.org/keywords/the-internet","display_name":"The Internet","score":0.27410000562667847}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5630999803543091},{"id":"https://openalex.org/C194498986","wikidata":"https://www.wikidata.org/wiki/Q680016","display_name":"Roaming","level":2,"score":0.5027999877929688},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.40860000252723694},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.38580000400543213},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3822000026702881},{"id":"https://openalex.org/C123657996","wikidata":"https://www.wikidata.org/wiki/Q12271","display_name":"Architecture","level":2,"score":0.3765999972820282},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.3384000062942505},{"id":"https://openalex.org/C98025372","wikidata":"https://www.wikidata.org/wiki/Q477538","display_name":"Systems architecture","level":3,"score":0.3278000056743622},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.3100999891757965},{"id":"https://openalex.org/C110875604","wikidata":"https://www.wikidata.org/wiki/Q75","display_name":"The Internet","level":2,"score":0.27410000562667847},{"id":"https://openalex.org/C2985434377","wikidata":"https://www.wikidata.org/wiki/Q212607","display_name":"Wireless lan","level":3,"score":0.2614000141620636},{"id":"https://openalex.org/C508800617","wikidata":"https://www.wikidata.org/wiki/Q29643","display_name":"Wi-Fi","level":4,"score":0.2556999921798706},{"id":"https://openalex.org/C20136886","wikidata":"https://www.wikidata.org/wiki/Q749647","display_name":"Interoperability","level":2,"score":0.25459998846054077}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icoin68469.2026.11480622","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icoin68469.2026.11480622","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2026 40th International Conference on Information Networking (ICOIN)","raw_type":"proceedings-article"},{"id":"pmh:oai:irdb.nii.ac.jp:01221:0007378619","is_oa":true,"landing_page_url":"http://hdl.handle.net/2433/300779","pdf_url":"https://repository.kulib.kyoto-u.ac.jp/bitstreams/d39496b4-1f34-48a9-b733-de96c04af848/download","source":{"id":"https://openalex.org/S7407056385","display_name":"Institutional Repositories DataBase (IRDB)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I184597095","host_organization_name":"National Institute of Informatics","host_organization_lineage":["https://openalex.org/I184597095"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"2026 40th International Conference on Information Networking (ICOIN)","raw_type":"conference paper"}],"best_oa_location":{"id":"pmh:oai:irdb.nii.ac.jp:01221:0007378619","is_oa":true,"landing_page_url":"http://hdl.handle.net/2433/300779","pdf_url":"https://repository.kulib.kyoto-u.ac.jp/bitstreams/d39496b4-1f34-48a9-b733-de96c04af848/download","source":{"id":"https://openalex.org/S7407056385","display_name":"Institutional Repositories DataBase (IRDB)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I184597095","host_organization_name":"National Institute of Informatics","host_organization_lineage":["https://openalex.org/I184597095"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"2026 40th International Conference on Information Networking (ICOIN)","raw_type":"conference paper"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G6174550888","display_name":null,"funder_award_id":"23610","funder_id":"https://openalex.org/F4320335839","funder_display_name":"National Institute of Information and Communications Technology"}],"funders":[{"id":"https://openalex.org/F4320324891","display_name":"Iran Telecommunication Research Center","ror":"https://ror.org/01a3g2z22"},{"id":"https://openalex.org/F4320335839","display_name":"National Institute of Information and Communications Technology","ror":"https://ror.org/016bgq349"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7159610949.pdf","grobid_xml":"https://content.openalex.org/works/W7159610949.grobid-xml"},"referenced_works_count":14,"referenced_works":["https://openalex.org/W1990736823","https://openalex.org/W1994436924","https://openalex.org/W2021230337","https://openalex.org/W2239707918","https://openalex.org/W2286073771","https://openalex.org/W2310384642","https://openalex.org/W3045656419","https://openalex.org/W3123299906","https://openalex.org/W3124636982","https://openalex.org/W3209438525","https://openalex.org/W4300452270","https://openalex.org/W4400277359","https://openalex.org/W4410358943","https://openalex.org/W4413679838"],"related_works":[],"abstract_inverted_index":{"In":[0,65],"RADIUS-based":[1],"public":[2],"Wi-Fi":[3],"roaming":[4],"services":[5,58,175],"such":[6,193],"as":[7,194],"eduroam":[8],"and":[9,78,96,111,132,141,160,200],"OpenRoaming,":[10],"users":[11,54],"are":[12],"identified":[13],"using":[14],"a":[15,70,89,97],"temporary":[16],"pseudonym":[17],"called":[18],"CUI":[19,90,112],"(Chargeable":[20],"User":[21],"Identity)":[22],"issued":[23],"by":[24,91],"the":[25,28,31,61,75,93,104,109,117,121,125,129,153,166],"IdP.":[26],"Neither":[27],"IdP":[29,87],"nor":[30,120],"ANP":[32,107],"(Access":[33],"Network":[34],"Provider)":[35],"can":[36],"independently":[37],"determine":[38],"\u201cwho":[39],"is":[40],"where\u201d,":[41],"which":[42],"structurally":[43],"ensures":[44],"location":[45,110,133,161,170,178],"privacy.":[46],"However,":[47],"due":[48],"to":[49,145,168,177,197],"this":[50,66,163,191],"structure,":[51],"even":[52],"when":[53],"consent,":[55],"providing":[56,173],"location-aware":[57,174],"while":[59,172],"identifying":[60],"user":[62,139],"remains":[63],"challenging.":[64],"paper,":[67],"we":[68],"propose":[69],"new":[71],"architecture":[72,164],"that":[73],"separates":[74],"IdP,":[76],"ANP,":[77],"LB":[79,127],"(Location":[80],"Broker)":[81],"into":[82],"three":[83],"distinct":[84],"entities.":[85],"The":[86,106],"generates":[88],"combining":[92],"real":[94,118,158],"ID":[95,99,119,131],"pseudo":[98,122,130],"but":[100,113],"does":[101,114],"not":[102,115],"know":[103,116],"location.":[105],"holds":[108],"ID.":[123],"Only":[124],"neutral":[126],"combines":[128],"information":[134],"for":[135,156,187],"sessions":[136],"with":[137],"explicit":[138],"consent":[140],"securely":[142],"supplies":[143],"it":[144],"LSPs":[146],"(Location-aware":[147],"Service":[148],"Providers).":[149],"By":[150],"strictly":[151],"limiting":[152],"entity":[154],"responsible":[155],"binding":[157],"IDs":[159],"information,":[162],"demonstrates":[165],"ability":[167],"maintain":[169],"privacy":[171],"resistant":[176],"spoofing.":[179],"We":[180],"will":[181],"also":[182],"discuss":[183],"business":[184],"use":[185,202],"cases":[186],"inter-regional":[188],"collaboration":[189],"utilizing":[190],"architecture,":[192],"its":[195,201],"application":[196],"tourism":[198],"promotion":[199],"in":[203],"evacuation":[204],"shelters":[205],"during":[206],"disasters.":[207]},"counts_by_year":[],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2026-05-02T00:00:00"}
