{"id":"https://openalex.org/W1492832934","doi":null,"title":"Implicit authentication for mobile devices","display_name":"Implicit authentication for mobile devices","publication_year":2009,"publication_date":"2009-08-11","ids":{"openalex":"https://openalex.org/W1492832934","mag":"1492832934"},"language":"en","primary_location":{"id":"pmh:oai:CiteSeerX.psu:10.1.1.160.4599","doi":null,"is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.160.4599","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.usenix.org/events/hotsec09/tech/full_papers/jakobsson.pdf","raw_type":"text"},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"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/A5020332705","display_name":"Markus Jakobsson","orcid":"https://orcid.org/0000-0002-3405-5742","observed_orcids":["https://orcid.org/0000-0002-3405-5742"]},"institutions":[{"id":"https://openalex.org/I173498003","display_name":"Palo Alto Research Center","ror":"https://ror.org/0529fxt39","country_code":"US","type":"facility","lineage":["https://openalex.org/I173498003","https://openalex.org/I4210132870"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Markus Jakobsson","raw_affiliation_strings":["Palo Alto Research Center,#TAB#"],"raw_orcid":"https://orcid.org/0000-0002-3405-5742","affiliations":[{"raw_affiliation_string":"Palo Alto Research Center,#TAB#","institution_ids":["https://openalex.org/I173498003"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089202539","display_name":"Elaine Shi","orcid":"https://orcid.org/0000-0002-5605-1048","observed_orcids":["https://orcid.org/0000-0002-5605-1048"]},"institutions":[{"id":"https://openalex.org/I173498003","display_name":"Palo Alto Research Center","ror":"https://ror.org/0529fxt39","country_code":"US","type":"facility","lineage":["https://openalex.org/I173498003","https://openalex.org/I4210132870"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Elaine Shi","raw_affiliation_strings":["Palo Alto Research Center,#TAB#"],"raw_orcid":"https://orcid.org/0000-0002-5605-1048","affiliations":[{"raw_affiliation_string":"Palo Alto Research Center,#TAB#","institution_ids":["https://openalex.org/I173498003"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028301656","display_name":"Philippe Golle","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I173498003","display_name":"Palo Alto Research Center","ror":"https://ror.org/0529fxt39","country_code":"US","type":"facility","lineage":["https://openalex.org/I173498003","https://openalex.org/I4210132870"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Philippe Golle","raw_affiliation_strings":["Palo Alto Research Center,#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Palo Alto Research Center,#TAB#","institution_ids":["https://openalex.org/I173498003"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5113510501","display_name":"Richard Chow","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I173498003","display_name":"Palo Alto Research Center","ror":"https://ror.org/0529fxt39","country_code":"US","type":"facility","lineage":["https://openalex.org/I173498003","https://openalex.org/I4210132870"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Richard Chow","raw_affiliation_strings":["Palo Alto Research Center,#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Palo Alto Research Center,#TAB#","institution_ids":["https://openalex.org/I173498003"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I173498003"],"apc_list":null,"apc_paid":null,"fwci":14.7572,"has_fulltext":false,"cited_by_count":222,"citation_normalized_percentile":{"value":0.98831153,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":100},"biblio":{"volume":null,"issue":null,"first_page":"9","last_page":"9"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11800","display_name":"User Authentication and Security Systems","score":0.9976000189781189,"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":0.9976000189781189,"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/T11504","display_name":"Advanced Authentication Protocols Security","score":0.002300000051036477,"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/T10828","display_name":"Biometric Identification and Security","score":0.0,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/continuous-authentication","display_name":"continuous authentication","score":1.0},{"id":"https://openalex.org/keywords/mobile-devices","display_name":"mobile devices","score":0.9649999737739563},{"id":"https://openalex.org/keywords/user-authentication","display_name":"user authentication","score":0.8019999861717224},{"id":"https://openalex.org/keywords/usability","display_name":"usability","score":0.4970000088214874},{"id":"https://openalex.org/keywords/security-computing","display_name":"security (computing)","score":0.6930000185966492},{"id":"https://openalex.org/keywords/authentication-model","display_name":"authentication model","score":0.4259999990463257}],"concepts":[{"id":"https://openalex.org/C170130773","wikidata":"https://www.wikidata.org/wiki/Q216378","display_name":"Usability","level":2,"score":0.8230717182159424},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.807491660118103},{"id":"https://openalex.org/C148417208","wikidata":"https://www.wikidata.org/wiki/Q4825882","display_name":"Authentication (law)","level":2,"score":0.7628982663154602},{"id":"https://openalex.org/C186967261","wikidata":"https://www.wikidata.org/wiki/Q5082128","display_name":"Mobile device","level":2,"score":0.5035540461540222},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.4927678406238556},{"id":"https://openalex.org/C2776299755","wikidata":"https://www.wikidata.org/wiki/Q432449","display_name":"Carry (investment)","level":2,"score":0.4418051838874817},{"id":"https://openalex.org/C167169670","wikidata":"https://www.wikidata.org/wiki/Q1824705","display_name":"Lightweight Extensible Authentication Protocol","level":4,"score":0.41227641701698303},{"id":"https://openalex.org/C21564112","wikidata":"https://www.wikidata.org/wiki/Q4825885","display_name":"Authentication protocol","level":3,"score":0.3857440650463104},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.3469783067703247},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.19709697365760803},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:CiteSeerX.psu:10.1.1.160.4599","doi":null,"is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.160.4599","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.usenix.org/events/hotsec09/tech/full_papers/jakobsson.pdf","raw_type":"text"},{"id":"mag:1492832934","doi":null,"is_oa":false,"landing_page_url":"http://elaineshi.com/docs/implauth.pdf","pdf_url":null,"source":{"id":"https://openalex.org/S4306421117","display_name":"USENIX conference on Hot topics in security","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"USENIX conference on Hot topics in security","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W97539848","https://openalex.org/W196767578","https://openalex.org/W1977485005","https://openalex.org/W1989158699","https://openalex.org/W2024677982","https://openalex.org/W2083358597","https://openalex.org/W2095038611","https://openalex.org/W2096553805","https://openalex.org/W2108335620","https://openalex.org/W2116682495","https://openalex.org/W2124830590","https://openalex.org/W2126458714","https://openalex.org/W2142532896","https://openalex.org/W2161487483","https://openalex.org/W2164947865"],"related_works":["https://openalex.org/W7095317568","https://openalex.org/W1724737952","https://openalex.org/W2941703833","https://openalex.org/W2950158656","https://openalex.org/W2951428475","https://openalex.org/W7099161016","https://openalex.org/W2573860195","https://openalex.org/W3006473171","https://openalex.org/W6885048671","https://openalex.org/W2484628184"],"abstract_inverted_index":{"Abstract.":[0],"We":[1,23],"introduce":[2],"the":[3,9,39],"notion":[4],"of":[5,41],"implicit":[6,31],"authentication":[7],"\u2013":[8],"ability":[10],"to":[11,29,56],"authenticate":[12],"mobile":[13],"users":[14],"based":[15],"on":[16],"actions":[17],"they":[18],"would":[19],"carry":[20],"out":[21],"anyway.":[22],"develop":[24],"a":[25,51],"model":[26],"for":[27],"how":[28],"perform":[30],"authentication,":[32],"and":[33],"describe":[34],"experiments":[35],"aimed":[36],"at":[37],"assessing":[38],"benefits":[40],"our":[42],"techniques.":[43],"Our":[44],"preliminary":[45],"findings":[46],"support":[47],"that":[48],"this":[49],"is":[50],"meaningful":[52],"approach,":[53],"whether":[54],"used":[55],"increase":[57,60],"usability":[58],"or":[59],"security.":[61],"1":[62]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":18},{"year":2019,"cited_by_count":14},{"year":2018,"cited_by_count":19},{"year":2017,"cited_by_count":22},{"year":2016,"cited_by_count":23},{"year":2015,"cited_by_count":33},{"year":2014,"cited_by_count":29},{"year":2013,"cited_by_count":16},{"year":2012,"cited_by_count":14}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}