{"id":"https://openalex.org/W1978137354","doi":"https://doi.org/10.1145/2808138.2808144","title":"Strengthening Authentication with Privacy-Preserving Location Verification of Mobile Phones","display_name":"Strengthening Authentication with Privacy-Preserving Location Verification of Mobile Phones","publication_year":2015,"publication_date":"2015-10-06","ids":{"openalex":"https://openalex.org/W1978137354","doi":"https://doi.org/10.1145/2808138.2808144","mag":"1978137354"},"language":"en","primary_location":{"id":"doi:10.1145/2808138.2808144","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2808138.2808144","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 14th ACM Workshop on Privacy in the Electronic Society","raw_type":"proceedings-article"},"type":"conference-paper","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/A5045989894","display_name":"Jan Camenisch","orcid":"https://orcid.org/0000-0001-6654-9459"},"institutions":[{"id":"https://openalex.org/I1341412227","display_name":"IBM (United States)","ror":"https://ror.org/05hh8d621","country_code":"US","type":"company","lineage":["https://openalex.org/I1341412227"]},{"id":"https://openalex.org/I4210126328","display_name":"IBM Research - Zurich","ror":"https://ror.org/02js37d36","country_code":"CH","type":"facility","lineage":["https://openalex.org/I1341412227","https://openalex.org/I4210114115","https://openalex.org/I4210126328"]}],"countries":["CH","US"],"is_corresponding":false,"raw_author_name":"Jan Camenisch","raw_affiliation_strings":["IBM Research, Zurich, Switzerland","IBM Research-Zurich, Switzerland#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IBM Research, Zurich, Switzerland","institution_ids":["https://openalex.org/I4210126328"]},{"raw_affiliation_string":"IBM Research-Zurich, Switzerland#TAB#","institution_ids":["https://openalex.org/I1341412227"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052795087","display_name":"Diego A. Ortiz-Yepes","orcid":null},"institutions":[{"id":"https://openalex.org/I1341412227","display_name":"IBM (United States)","ror":"https://ror.org/05hh8d621","country_code":"US","type":"company","lineage":["https://openalex.org/I1341412227"]},{"id":"https://openalex.org/I4210126328","display_name":"IBM Research - Zurich","ror":"https://ror.org/02js37d36","country_code":"CH","type":"facility","lineage":["https://openalex.org/I1341412227","https://openalex.org/I4210114115","https://openalex.org/I4210126328"]}],"countries":["CH","US"],"is_corresponding":false,"raw_author_name":"Diego Alejandro Ortiz-Yepes","raw_affiliation_strings":["IBM Research, Zurich, Switzerland","IBM Research-Zurich, Switzerland#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IBM Research, Zurich, Switzerland","institution_ids":["https://openalex.org/I4210126328"]},{"raw_affiliation_string":"IBM Research-Zurich, Switzerland#TAB#","institution_ids":["https://openalex.org/I1341412227"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5046493038","display_name":"Franz-Stefan Preiss","orcid":null},"institutions":[{"id":"https://openalex.org/I1341412227","display_name":"IBM (United States)","ror":"https://ror.org/05hh8d621","country_code":"US","type":"company","lineage":["https://openalex.org/I1341412227"]},{"id":"https://openalex.org/I4210126328","display_name":"IBM Research - Zurich","ror":"https://ror.org/02js37d36","country_code":"CH","type":"facility","lineage":["https://openalex.org/I1341412227","https://openalex.org/I4210114115","https://openalex.org/I4210126328"]}],"countries":["CH","US"],"is_corresponding":false,"raw_author_name":"Franz-Stefan Preiss","raw_affiliation_strings":["IBM Research, Zurich, Switzerland","IBM Research-Zurich, Switzerland#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IBM Research, Zurich, Switzerland","institution_ids":["https://openalex.org/I4210126328"]},{"raw_affiliation_string":"IBM Research-Zurich, Switzerland#TAB#","institution_ids":["https://openalex.org/I1341412227"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.2896,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.49095621,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"37","last_page":"48"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11800","display_name":"User Authentication and Security Systems","score":0.9988999962806702,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T11800","display_name":"User Authentication and Security Systems","score":0.9988999962806702,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T11896","display_name":"Opportunistic and Delay-Tolerant Networks","score":0.9950000047683716,"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/T12801","display_name":"Bluetooth and Wireless Communication Technologies","score":0.9947999715805054,"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/computer-science","display_name":"Computer science","score":0.6713453531265259},{"id":"https://openalex.org/keywords/authentication","display_name":"Authentication (law)","score":0.6158193349838257},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.5038771033287048},{"id":"https://openalex.org/keywords/internet-privacy","display_name":"Internet privacy","score":0.4121795892715454}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6713453531265259},{"id":"https://openalex.org/C148417208","wikidata":"https://www.wikidata.org/wiki/Q4825882","display_name":"Authentication (law)","level":2,"score":0.6158193349838257},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.5038771033287048},{"id":"https://openalex.org/C108827166","wikidata":"https://www.wikidata.org/wiki/Q175975","display_name":"Internet privacy","level":1,"score":0.4121795892715454}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2808138.2808144","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2808138.2808144","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 14th ACM Workshop on Privacy in the Electronic Society","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","score":0.46000000834465027,"id":"https://metadata.un.org/sdg/16"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":39,"referenced_works":["https://openalex.org/W121315906","https://openalex.org/W255585247","https://openalex.org/W641328951","https://openalex.org/W1483854707","https://openalex.org/W1497439563","https://openalex.org/W1498728415","https://openalex.org/W1562585591","https://openalex.org/W1921864689","https://openalex.org/W1968440182","https://openalex.org/W1987221145","https://openalex.org/W2004537893","https://openalex.org/W2013735813","https://openalex.org/W2017237109","https://openalex.org/W2031618446","https://openalex.org/W2033820870","https://openalex.org/W2038044720","https://openalex.org/W2054564044","https://openalex.org/W2054706300","https://openalex.org/W2074040836","https://openalex.org/W2075729786","https://openalex.org/W2075746277","https://openalex.org/W2088318379","https://openalex.org/W2090006777","https://openalex.org/W2108836391","https://openalex.org/W2109732574","https://openalex.org/W2116876232","https://openalex.org/W2126884772","https://openalex.org/W2133420971","https://openalex.org/W2134348919","https://openalex.org/W2140266441","https://openalex.org/W2146322883","https://openalex.org/W2160353010","https://openalex.org/W2161186258","https://openalex.org/W2162184158","https://openalex.org/W2165210192","https://openalex.org/W2523971213","https://openalex.org/W4298051233","https://openalex.org/W6628702197","https://openalex.org/W6758837926"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W2382290278","https://openalex.org/W2478288626","https://openalex.org/W4391913857","https://openalex.org/W2350741829","https://openalex.org/W2912135041"],"abstract_inverted_index":{"Mobile":[0,81],"devices":[1],"are":[2,57,115,127,168],"increasingly":[3],"used":[4],"in":[5,173],"security-sensitive":[6],"contexts":[7],"such":[8],"as":[9,48,77,158,160],"physical":[10],"access":[11],"control":[12],"and":[13,55,112,141,162],"authorization":[14],"of":[15,45,74,85],"payment":[16],"transactions.":[17],"In":[18,62],"this":[19],"paper":[20],"we":[21],"contribute":[22],"a":[23,28,34,38,102,121],"mechanism":[24,70,138],"to":[25,59,64,105,118,123,152],"verify":[26],"whether":[27],"mobile":[29,147,163],"device":[30],"currently":[31],"resides":[32],"within":[33],"geographical":[35],"area":[36],"at":[37],"given":[39],"time,":[40],"thus":[41],"enabling":[42],"the":[43,46,72,75,80,88,92,146,150,174],"use":[44],"location":[47,67,73,89,111],"an":[49,132],"additional":[50],"authentication":[51],"factor.":[52],"Trustworthiness,":[53],"privacy,":[54],"practicability":[56],"central":[58],"our":[60,69,137],"mechanism.":[61],"particular,":[63],"provide":[65],"trustworthy":[66],"information,":[68,109],"uses":[71],"phone":[76,93,148],"detected":[78,90],"by":[79,91,170],"Network":[82],"Operator":[83],"instead":[84],"relying":[86],"on":[87,145,155],"itself,":[94],"which":[95],"can":[96],"be":[97],"manipulated.":[98],"We":[99],"have":[100],"followed":[101],"privacy-by-design":[103],"approach":[104],"ensure":[106],"that":[107],"sensitive":[108],"e.g.,":[110],"subscriber":[113],"data,":[114],"only":[116],"revealed":[117],"parties":[119],"with":[120],"need":[122],"know.":[124],"Privacy":[125],"safeguards":[126],"realized":[128],"using":[129],"anonymous":[130,156],"credentials,":[131,157],"established":[133],"privacy-enhancing":[134],"technology.":[135],"Finally,":[136],"is":[139],"practical":[140],"has":[142],"little":[143],"requirements":[144,167],"beyond":[149],"ability":[151],"run":[153],"computations":[154],"well":[159],"Internet":[161],"network":[164],"connectivity.":[165],"These":[166],"fulfilled":[169],"most":[171],"smartphones":[172],"market.":[175]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
