{"id":"https://openalex.org/W2016782395","doi":"https://doi.org/10.1109/pst.2014.6890968","title":"i/k-Contact: A context-aware user authentication using physical social trust","display_name":"i/k-Contact: A context-aware user authentication using physical social trust","publication_year":2014,"publication_date":"2014-07-01","ids":{"openalex":"https://openalex.org/W2016782395","doi":"https://doi.org/10.1109/pst.2014.6890968","mag":"2016782395"},"language":"en","primary_location":{"id":"doi:10.1109/pst.2014.6890968","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pst.2014.6890968","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 Twelfth Annual International Conference on Privacy, Security and Trust","raw_type":"proceedings-article"},"type":"article","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/A5088262353","display_name":"Shiori Arimura","orcid":null},"institutions":[{"id":"https://openalex.org/I1298590031","display_name":"Shizuoka University","ror":"https://ror.org/01w6wtk13","country_code":"JP","type":"education","lineage":["https://openalex.org/I1298590031"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Shiori Arimura","raw_affiliation_strings":["Graduate school of Informatics, Shizuoka University, Hamamatsu, Japan","[Graduate school of Informatics, Shizuoka University, Hamamatsu, Japan]"],"affiliations":[{"raw_affiliation_string":"Graduate school of Informatics, Shizuoka University, Hamamatsu, Japan","institution_ids":["https://openalex.org/I1298590031"]},{"raw_affiliation_string":"[Graduate school of Informatics, Shizuoka University, Hamamatsu, Japan]","institution_ids":["https://openalex.org/I1298590031"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027837299","display_name":"Masahiro Fujita","orcid":"https://orcid.org/0000-0002-6516-4175"},"institutions":[{"id":"https://openalex.org/I1298590031","display_name":"Shizuoka University","ror":"https://ror.org/01w6wtk13","country_code":"JP","type":"education","lineage":["https://openalex.org/I1298590031"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Masahiro Fujita","raw_affiliation_strings":["Graduate school of Informatics, Shizuoka University, Hamamatsu, Japan","[Graduate school of Informatics, Shizuoka University, Hamamatsu, Japan]"],"affiliations":[{"raw_affiliation_string":"Graduate school of Informatics, Shizuoka University, Hamamatsu, Japan","institution_ids":["https://openalex.org/I1298590031"]},{"raw_affiliation_string":"[Graduate school of Informatics, Shizuoka University, Hamamatsu, Japan]","institution_ids":["https://openalex.org/I1298590031"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060712161","display_name":"Shinya Kobayashi","orcid":null},"institutions":[{"id":"https://openalex.org/I1298590031","display_name":"Shizuoka University","ror":"https://ror.org/01w6wtk13","country_code":"JP","type":"education","lineage":["https://openalex.org/I1298590031"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shinya Kobayashi","raw_affiliation_strings":["Graduate school of Informatics, Shizuoka University, Hamamatsu, Japan","[Graduate school of Informatics, Shizuoka University, Hamamatsu, Japan]"],"affiliations":[{"raw_affiliation_string":"Graduate school of Informatics, Shizuoka University, Hamamatsu, Japan","institution_ids":["https://openalex.org/I1298590031"]},{"raw_affiliation_string":"[Graduate school of Informatics, Shizuoka University, Hamamatsu, Japan]","institution_ids":["https://openalex.org/I1298590031"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053997865","display_name":"Junya Kani","orcid":null},"institutions":[{"id":"https://openalex.org/I1298590031","display_name":"Shizuoka University","ror":"https://ror.org/01w6wtk13","country_code":"JP","type":"education","lineage":["https://openalex.org/I1298590031"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Junya Kani","raw_affiliation_strings":["Graduate school of Informatics, Shizuoka University, Hamamatsu, Japan","[Graduate school of Informatics, Shizuoka University, Hamamatsu, Japan]"],"affiliations":[{"raw_affiliation_string":"Graduate school of Informatics, Shizuoka University, Hamamatsu, Japan","institution_ids":["https://openalex.org/I1298590031"]},{"raw_affiliation_string":"[Graduate school of Informatics, Shizuoka University, Hamamatsu, Japan]","institution_ids":["https://openalex.org/I1298590031"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044555670","display_name":"Masakatsu Nishigaki","orcid":"https://orcid.org/0000-0001-6048-3495"},"institutions":[{"id":"https://openalex.org/I1298590031","display_name":"Shizuoka University","ror":"https://ror.org/01w6wtk13","country_code":"JP","type":"education","lineage":["https://openalex.org/I1298590031"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Masakatsu Nishigaki","raw_affiliation_strings":["Graduate school of Informatics, Shizuoka University, Hamamatsu, Japan","[Graduate school of Informatics, Shizuoka University, Hamamatsu, Japan]"],"affiliations":[{"raw_affiliation_string":"Graduate school of Informatics, Shizuoka University, Hamamatsu, Japan","institution_ids":["https://openalex.org/I1298590031"]},{"raw_affiliation_string":"[Graduate school of Informatics, Shizuoka University, Hamamatsu, Japan]","institution_ids":["https://openalex.org/I1298590031"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5018628220","display_name":"Akira Shiba","orcid":null},"institutions":[{"id":"https://openalex.org/I2252096349","display_name":"Fujitsu (Japan)","ror":"https://ror.org/038e2g226","country_code":"JP","type":"company","lineage":["https://openalex.org/I2252096349"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Akira Shiba","raw_affiliation_strings":["Smart Centric Laboratory, Fujitsu Laboratories Ltd., Kawasaki, Japan","Smart Centric Laboratory Human Centric Computing Laboratories, Fujitsu Laboratories Ltd., Kawasaki, Japan"],"affiliations":[{"raw_affiliation_string":"Smart Centric Laboratory, Fujitsu Laboratories Ltd., Kawasaki, Japan","institution_ids":["https://openalex.org/I2252096349"]},{"raw_affiliation_string":"Smart Centric Laboratory Human Centric Computing Laboratories, Fujitsu Laboratories Ltd., Kawasaki, Japan","institution_ids":["https://openalex.org/I2252096349"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5088262353"],"corresponding_institution_ids":["https://openalex.org/I1298590031"],"apc_list":null,"apc_paid":null,"fwci":3.9445,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.93812182,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"407","last_page":"413"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11800","display_name":"User Authentication and Security Systems","score":0.9998999834060669,"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":0.9998999834060669,"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/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.9991000294685364,"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"}},{"id":"https://openalex.org/T12740","display_name":"Gait Recognition and Analysis","score":0.9866999983787537,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6002448797225952},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.5921708345413208},{"id":"https://openalex.org/keywords/authentication","display_name":"Authentication (law)","score":0.5453433990478516},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.4520187973976135},{"id":"https://openalex.org/keywords/internet-privacy","display_name":"Internet privacy","score":0.4451241195201874},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.3598807156085968},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.33701664209365845},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.06656187772750854}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6002448797225952},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.5921708345413208},{"id":"https://openalex.org/C148417208","wikidata":"https://www.wikidata.org/wiki/Q4825882","display_name":"Authentication (law)","level":2,"score":0.5453433990478516},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.4520187973976135},{"id":"https://openalex.org/C108827166","wikidata":"https://www.wikidata.org/wiki/Q175975","display_name":"Internet privacy","level":1,"score":0.4451241195201874},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.3598807156085968},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.33701664209365845},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.06656187772750854},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/pst.2014.6890968","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pst.2014.6890968","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 Twelfth Annual International Conference on Privacy, Security and Trust","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/10","display_name":"Reduced inequalities","score":0.44999998807907104}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":4,"referenced_works":["https://openalex.org/W1882088395","https://openalex.org/W2153977424","https://openalex.org/W2158358197","https://openalex.org/W4234816175"],"related_works":["https://openalex.org/W4206453769","https://openalex.org/W2513267613","https://openalex.org/W3190778120","https://openalex.org/W4323341852","https://openalex.org/W2896677295","https://openalex.org/W2409853057","https://openalex.org/W2891753780","https://openalex.org/W2925953819","https://openalex.org/W1995973042","https://openalex.org/W2912135041"],"abstract_inverted_index":{"In":[0,51],"recent":[1],"years,":[2],"with":[3],"growing":[4],"demands":[5],"towards":[6],"big":[7],"data":[8],"application,":[9],"various":[10],"research":[11],"on":[12],"context-awareness":[13],"has":[14],"once":[15],"again":[16],"become":[17],"active.":[18],"This":[19],"paper":[20],"proposes":[21],"a":[22,77,125,139],"new":[23],"type":[24],"of":[25,34,39,76,87,114,177],"context-aware":[26],"user":[27,74,100,116,126,133],"authentication":[28,32,55,112,156,191],"that":[29,43,70,108],"controls":[30],"the":[31,37,54,68,73,81,94,99,106,111,118,132,154,158,169,175,189],"level":[33,113],"users,":[35],"using":[36,80,117],"context":[38,119],"\u201cphysical":[40],"trust":[41],"relationship\u201d":[42],"is":[44,57,67,105,127,134,186],"built":[45],"between":[46,184],"users":[47,88,163,185],"by":[48,60,93,129,152,188],"visual":[49],"contact.":[50],"our":[52,172],"proposal,":[53],"control":[56],"carried":[58],"out":[59],"two":[61],"mechanisms;":[62],"\u201ci-Contact\u201d":[63],"and":[64],"\u201ck-Contact\u201d.":[65],"i-Contact":[66],"mechanism":[69,107],"visually":[71],"confirms":[72],"(owner":[75],"mobile":[78,144],"device)":[79],"surrounding":[82],"users'":[83],"eyes.":[84],"The":[85],"authenticity":[86],"can":[89,164],"be":[90,165],"reliably":[91],"assessed":[92],"people":[95],"(witnesses),":[96],"even":[97],"when":[98],"exhibits":[101],"ambiguous":[102],"behavior.":[103],"k-Contact":[104],"dynamically":[109],"changes":[110],"each":[115],"information":[120],"collected":[121],"through":[122],"i-Contact.":[123],"Once":[124],"authenticated":[128],"eyewitness":[130],"reports,":[131],"no":[135],"longer":[136],"prompted":[137],"for":[138,160],"password":[140],"to":[141,147],"unlock":[142],"his/her":[143],"device":[145],"and/or":[146],"access":[148],"confidential":[149],"resources.":[150],"Thus,":[151],"leveraging":[153],"proposed":[155,190],"system,":[157],"usability":[159],"only":[161],"trusted":[162],"securely":[166],"enhanced.":[167],"At":[168],"same":[170],"time,":[171],"proposal":[173],"anticipates":[174],"promotion":[176],"physical":[178],"social":[179],"communication":[180,183],"as":[181],"face-to-face":[182],"triggered":[187],"system.":[192]},"counts_by_year":[{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
