{"id":"https://openalex.org/W2115960391","doi":"https://doi.org/10.1145/2043621.2043623","title":"Group-Centric Secure Information-Sharing Models for Isolated Groups","display_name":"Group-Centric Secure Information-Sharing Models for Isolated Groups","publication_year":2011,"publication_date":"2011-11-01","ids":{"openalex":"https://openalex.org/W2115960391","doi":"https://doi.org/10.1145/2043621.2043623","mag":"2115960391"},"language":"en","primary_location":{"id":"doi:10.1145/2043621.2043623","is_oa":true,"landing_page_url":"https://doi.org/10.1145/2043621.2043623","pdf_url":"https://dl.acm.org/action/downloadSupplement?doi=10.1145%2F2043621.2043623&file=a23-krishnan_appendix.pdf","source":{"id":"https://openalex.org/S2642811","display_name":"ACM Transactions on Information and System Security","issn_l":"1094-9224","issn":["1094-9224","1557-7406"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Information and System Security","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://dl.acm.org/action/downloadSupplement?doi=10.1145%2F2043621.2043623&file=a23-krishnan_appendix.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5085555416","display_name":"Ram Krishnan","orcid":"https://orcid.org/0000-0002-7402-553X"},"institutions":[{"id":"https://openalex.org/I45438204","display_name":"The University of Texas at San Antonio","ror":"https://ror.org/01kd65564","country_code":"US","type":"education","lineage":["https://openalex.org/I45438204"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Ram Krishnan","raw_affiliation_strings":["University of Texas at San Antonio"],"affiliations":[{"raw_affiliation_string":"University of Texas at San Antonio","institution_ids":["https://openalex.org/I45438204"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103041668","display_name":"Jianwei Niu","orcid":"https://orcid.org/0000-0002-5667-3285"},"institutions":[{"id":"https://openalex.org/I45438204","display_name":"The University of Texas at San Antonio","ror":"https://ror.org/01kd65564","country_code":"US","type":"education","lineage":["https://openalex.org/I45438204"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jianwei Niu","raw_affiliation_strings":["University of Texas at San Antonio"],"affiliations":[{"raw_affiliation_string":"University of Texas at San Antonio","institution_ids":["https://openalex.org/I45438204"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038692973","display_name":"Ravi Sandhu","orcid":"https://orcid.org/0000-0002-3165-1813"},"institutions":[{"id":"https://openalex.org/I45438204","display_name":"The University of Texas at San Antonio","ror":"https://ror.org/01kd65564","country_code":"US","type":"education","lineage":["https://openalex.org/I45438204"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ravi Sandhu","raw_affiliation_strings":["University of Texas at San Antonio"],"affiliations":[{"raw_affiliation_string":"University of Texas at San Antonio","institution_ids":["https://openalex.org/I45438204"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5031434368","display_name":"William H. Winsborough","orcid":null},"institutions":[{"id":"https://openalex.org/I45438204","display_name":"The University of Texas at San Antonio","ror":"https://ror.org/01kd65564","country_code":"US","type":"education","lineage":["https://openalex.org/I45438204"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"William H. Winsborough","raw_affiliation_strings":["University of Texas at San Antonio"],"affiliations":[{"raw_affiliation_string":"University of Texas at San Antonio","institution_ids":["https://openalex.org/I45438204"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5085555416"],"corresponding_institution_ids":["https://openalex.org/I45438204"],"apc_list":null,"apc_paid":null,"fwci":14.491,"has_fulltext":false,"cited_by_count":30,"citation_normalized_percentile":{"value":0.98540512,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"14","issue":"3","first_page":"1","last_page":"29"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10927","display_name":"Access Control and Trust","score":0.9998999834060669,"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":0.9998999834060669,"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/T11424","display_name":"Security and Verification in Computing","score":0.996399998664856,"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/T10237","display_name":"Cryptography and Data Security","score":0.995199978351593,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.796457827091217},{"id":"https://openalex.org/keywords/core","display_name":"Core (optical fiber)","score":0.4637157917022705},{"id":"https://openalex.org/keywords/semantics","display_name":"Semantics (computer science)","score":0.4605090022087097},{"id":"https://openalex.org/keywords/communication-in-small-groups","display_name":"Communication in small groups","score":0.4543567895889282},{"id":"https://openalex.org/keywords/group","display_name":"Group (periodic table)","score":0.4498802125453949},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.42771556973457336},{"id":"https://openalex.org/keywords/identification","display_name":"Identification (biology)","score":0.41567185521125793},{"id":"https://openalex.org/keywords/authorization","display_name":"Authorization","score":0.41295111179351807},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.3649090528488159},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.2477966845035553},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.105400949716568}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.796457827091217},{"id":"https://openalex.org/C2164484","wikidata":"https://www.wikidata.org/wiki/Q5170150","display_name":"Core (optical fiber)","level":2,"score":0.4637157917022705},{"id":"https://openalex.org/C184337299","wikidata":"https://www.wikidata.org/wiki/Q1437428","display_name":"Semantics (computer science)","level":2,"score":0.4605090022087097},{"id":"https://openalex.org/C44871818","wikidata":"https://www.wikidata.org/wiki/Q5154139","display_name":"Communication in small groups","level":2,"score":0.4543567895889282},{"id":"https://openalex.org/C2781311116","wikidata":"https://www.wikidata.org/wiki/Q83306","display_name":"Group (periodic table)","level":2,"score":0.4498802125453949},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.42771556973457336},{"id":"https://openalex.org/C116834253","wikidata":"https://www.wikidata.org/wiki/Q2039217","display_name":"Identification (biology)","level":2,"score":0.41567185521125793},{"id":"https://openalex.org/C108759981","wikidata":"https://www.wikidata.org/wiki/Q788590","display_name":"Authorization","level":2,"score":0.41295111179351807},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.3649090528488159},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.2477966845035553},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.105400949716568},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/2043621.2043623","is_oa":true,"landing_page_url":"https://doi.org/10.1145/2043621.2043623","pdf_url":"https://dl.acm.org/action/downloadSupplement?doi=10.1145%2F2043621.2043623&file=a23-krishnan_appendix.pdf","source":{"id":"https://openalex.org/S2642811","display_name":"ACM Transactions on Information and System Security","issn_l":"1094-9224","issn":["1094-9224","1557-7406"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Information and System Security","raw_type":"journal-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.708.7867","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.708.7867","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://engineering.utsa.edu/%7Ekrishnan/journals/2010-tissecSACMAT.pdf","raw_type":"text"}],"best_oa_location":{"id":"doi:10.1145/2043621.2043623","is_oa":true,"landing_page_url":"https://doi.org/10.1145/2043621.2043623","pdf_url":"https://dl.acm.org/action/downloadSupplement?doi=10.1145%2F2043621.2043623&file=a23-krishnan_appendix.pdf","source":{"id":"https://openalex.org/S2642811","display_name":"ACM Transactions on Information and System Security","issn_l":"1094-9224","issn":["1094-9224","1557-7406"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Information and System Security","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16","score":0.41999998688697815}],"awards":[{"id":"https://openalex.org/G3306239192","display_name":null,"funder_award_id":"IIS-0814027IIS-0814027CCR-0325951CCF-0524010CNS-0964710CNS-0716750","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G4215195399","display_name":null,"funder_award_id":"010115-0037-2007","funder_id":"https://openalex.org/F4320308138","funder_display_name":"Texas Higher Education Coordinating Board"},{"id":"https://openalex.org/G5989488774","display_name":null,"funder_award_id":"IIS-0814027IIS-0814027CCR-0325951CCF-0524010CNS-0964710CNS-0716750","funder_id":"https://openalex.org/F4320337388","funder_display_name":"Division of Computer and Network Systems"},{"id":"https://openalex.org/G6183003347","display_name":null,"funder_award_id":"FA9550-08-1-0265","funder_id":"https://openalex.org/F4320338279","funder_display_name":"Air Force Office of Scientific Research"},{"id":"https://openalex.org/G7697194679","display_name":null,"funder_award_id":"IIS-0814027IIS-0814027CCR-0325951CCF-0524010CNS-0964710CNS-0716750","funder_id":"https://openalex.org/F4320337387","funder_display_name":"Division of Computing and Communication Foundations"},{"id":"https://openalex.org/G8128412027","display_name":null,"funder_award_id":"IIS-0814027IIS-0814027CCR-0325951CCF-0524010CNS-0964710CNS-0716750","funder_id":"https://openalex.org/F4320337389","funder_display_name":"Division of Information and Intelligent Systems"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320308138","display_name":"Texas Higher Education Coordinating Board","ror":"https://ror.org/05as1qb59"},{"id":"https://openalex.org/F4320337387","display_name":"Division of Computing and Communication Foundations","ror":"https://ror.org/01mng8331"},{"id":"https://openalex.org/F4320337388","display_name":"Division of Computer and Network Systems","ror":"https://ror.org/02rdzmk74"},{"id":"https://openalex.org/F4320337389","display_name":"Division of Information and Intelligent Systems","ror":"https://ror.org/053a2cp42"},{"id":"https://openalex.org/F4320338279","display_name":"Air Force Office of Scientific Research","ror":"https://ror.org/011e9bt93"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2115960391.pdf","grobid_xml":"https://content.openalex.org/works/W2115960391.grobid-xml"},"referenced_works_count":63,"referenced_works":["https://openalex.org/W1512186075","https://openalex.org/W1590263452","https://openalex.org/W1649377807","https://openalex.org/W1776151390","https://openalex.org/W1969799644","https://openalex.org/W1974962505","https://openalex.org/W1984095300","https://openalex.org/W1984946784","https://openalex.org/W1991895580","https://openalex.org/W1992761401","https://openalex.org/W1997862012","https://openalex.org/W2001289891","https://openalex.org/W2019267322","https://openalex.org/W2023808162","https://openalex.org/W2027004202","https://openalex.org/W2035142022","https://openalex.org/W2035498319","https://openalex.org/W2040325382","https://openalex.org/W2040735523","https://openalex.org/W2044217305","https://openalex.org/W2044613318","https://openalex.org/W2053741629","https://openalex.org/W2054251041","https://openalex.org/W2063772518","https://openalex.org/W2065076704","https://openalex.org/W2066266646","https://openalex.org/W2076004681","https://openalex.org/W2076617786","https://openalex.org/W2079240233","https://openalex.org/W2087862381","https://openalex.org/W2095881341","https://openalex.org/W2096014157","https://openalex.org/W2096499366","https://openalex.org/W2097404228","https://openalex.org/W2099137371","https://openalex.org/W2107836699","https://openalex.org/W2107974953","https://openalex.org/W2109339603","https://openalex.org/W2109935174","https://openalex.org/W2111753337","https://openalex.org/W2116752890","https://openalex.org/W2121251946","https://openalex.org/W2123479684","https://openalex.org/W2127275895","https://openalex.org/W2128243594","https://openalex.org/W2132334337","https://openalex.org/W2141696417","https://openalex.org/W2143417879","https://openalex.org/W2146308814","https://openalex.org/W2150129491","https://openalex.org/W2151015825","https://openalex.org/W2151639155","https://openalex.org/W2159945176","https://openalex.org/W2163901775","https://openalex.org/W2166602595","https://openalex.org/W2168834077","https://openalex.org/W2169383992","https://openalex.org/W2914756988","https://openalex.org/W2984271297","https://openalex.org/W3152174782","https://openalex.org/W4243713038","https://openalex.org/W4248947422","https://openalex.org/W4298134634"],"related_works":["https://openalex.org/W4235015634","https://openalex.org/W2724882332","https://openalex.org/W3158538495","https://openalex.org/W1508306925","https://openalex.org/W1530221417","https://openalex.org/W2515144809","https://openalex.org/W4200494141","https://openalex.org/W114758978","https://openalex.org/W2186962225","https://openalex.org/W1504437904"],"abstract_inverted_index":{"Group-Centric":[0],"Secure":[1],"Information":[2],"Sharing":[3],"(g-SIS)":[4],"envisions":[5],"bringing":[6],"users":[7,238],"and":[8,41,55,122,154,174,177,216,221,235,239,242,262],"objects":[9],"together":[10],"in":[11,21,79,90,98,226,255,277],"a":[12,85,91,124,157,199,203,208,269,284,292],"group":[13,92,151,204,232],"to":[14,38,43,115,146],"facilitate":[15],"agile":[16],"sharing":[17],"of":[18,29,64,72,84,108,119,133,150,156,160,163,179,228,231,251],"information":[19,31],"brought":[20],"from":[22,141,282],"external":[23],"sources":[24],"as":[25,27,268],"well":[26],"creation":[28],"new":[30],"within":[32,47],"the":[33,59,70,80,104,117,147,161,168,229,252,257,274,297],"group.":[34],"We":[35],"expect":[36],"g-SIS":[37,60,74,120,139,164],"be":[39,260],"orthogonal":[40],"complementary":[42],"authorization":[44,148],"systems":[45],"deployed":[46],"participating":[48],"organizations.":[49],"The":[50,62,185,265],"metaphors":[51],"\u201csecure":[52],"meeting":[53],"room\u201d":[54],"\u201csubscription":[56],"service\u201d":[57],"characterize":[58,116],"approach.":[61],"focus":[63],"this":[65],"article":[66],"is":[67,188,207,273],"on":[68],"developing":[69],"foundations":[71],"isolated":[73,78],"models.":[75],"Groups":[76],"are":[77,171,219],"sense":[81],"that":[82,111,137,167,195,272],"membership":[83],"user":[86,200],"or":[87],"an":[88],"object":[89],"does":[93,223],"not":[94],"affect":[95],"their":[96],"authorizations":[97],"other":[99],"groups.":[100],"Present":[101],"contributions":[102],"include":[103],"following:":[105],"formal":[106],"specification":[107,187,258,266],"core":[109,169],"properties":[110,170],"at":[112],"once":[113],"help":[114],"family":[118,162],"models":[121],"provide":[123],"\u201csanity":[125],"check\u201d":[126],"for":[127,182,197,237,244,296],"full":[128],"policy":[129,134],"specifications;":[130],"informal":[131],"discussion":[132],"design":[135],"decisions":[136],"differentiate":[138],"policies":[140],"one":[142,250],"another":[143],"with":[144,286],"respect":[145],"semantics":[149],"operations;":[152,233],"formalization":[153],"verification":[155],"specific":[158],"member":[159],"models;":[165],"demonstration":[166],"logically":[172],"consistent":[173],"mutually":[175],"independent;":[176],"identification":[178],"several":[180],"directions":[181],"future":[183],"extensions.":[184],"formalized":[186],"highly":[189],"abstract.":[190],"Besides":[191],"certain":[192],"well-formedness":[193],"requirements":[194],"specify,":[196],"instance,":[198],"cannot":[201],"leave":[202,236],"unless":[205],"she":[206],"member,":[209],"it":[210,222],"constrains":[211],"only":[212],"whether":[213],"user-level":[214],"read":[215],"write":[217],"operations":[218],"authorized":[220],"so":[224],"solely":[225],"terms":[227],"history":[230],"join":[234],"add,":[240],"create,":[241],"remove":[243],"objects.":[245],"This":[246],"makes":[247],"temporal":[248],"logic":[249],"few":[253],"formalisms":[254],"which":[256,283],"can":[259],"clearly":[261],"concisely":[263],"expressed.":[264],"serves":[267],"reference":[270],"point":[271],"first":[275],"step":[276],"deriving":[278],"authorization-system":[279],"component":[280],"specifications":[281],"programmer":[285],"little":[287],"security":[288],"expertise":[289],"could":[290],"implement":[291],"high-assurance":[293],"enforcement":[294],"system":[295],"specified":[298],"policy.":[299]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":5},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":5},{"year":2012,"cited_by_count":5}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}
