{"id":"https://openalex.org/W2103674110","doi":"https://doi.org/10.1145/1030083.1030091","title":"On mutually-exclusive roles and separation of duty","display_name":"On mutually-exclusive roles and separation of duty","publication_year":2004,"publication_date":"2004-10-25","ids":{"openalex":"https://openalex.org/W2103674110","doi":"https://doi.org/10.1145/1030083.1030091","mag":"2103674110"},"language":"en","primary_location":{"id":"doi:10.1145/1030083.1030091","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1030083.1030091","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 11th ACM conference on Computer and communications security","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/A5101471208","display_name":"Ninghui Li","orcid":"https://orcid.org/0000-0001-8207-9717"},"institutions":[{"id":"https://openalex.org/I219193219","display_name":"Purdue University West Lafayette","ror":"https://ror.org/02dqehb95","country_code":"US","type":"education","lineage":["https://openalex.org/I219193219"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Ninghui Li","raw_affiliation_strings":["Purdue University"],"affiliations":[{"raw_affiliation_string":"Purdue University","institution_ids":["https://openalex.org/I219193219"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020668606","display_name":"Ziad Bizri","orcid":null},"institutions":[{"id":"https://openalex.org/I219193219","display_name":"Purdue University West Lafayette","ror":"https://ror.org/02dqehb95","country_code":"US","type":"education","lineage":["https://openalex.org/I219193219"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ziad Bizri","raw_affiliation_strings":["Purdue University"],"affiliations":[{"raw_affiliation_string":"Purdue University","institution_ids":["https://openalex.org/I219193219"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5081788400","display_name":"Mahesh Tripunitara","orcid":"https://orcid.org/0000-0002-3615-9393"},"institutions":[{"id":"https://openalex.org/I219193219","display_name":"Purdue University West Lafayette","ror":"https://ror.org/02dqehb95","country_code":"US","type":"education","lineage":["https://openalex.org/I219193219"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Mahesh V. Tripunitara","raw_affiliation_strings":["Purdue University"],"affiliations":[{"raw_affiliation_string":"Purdue University","institution_ids":["https://openalex.org/I219193219"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5101471208"],"corresponding_institution_ids":["https://openalex.org/I219193219"],"apc_list":null,"apc_paid":null,"fwci":37.2546,"has_fulltext":false,"cited_by_count":74,"citation_normalized_percentile":{"value":0.99699776,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"42","last_page":"51"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10927","display_name":"Access Control and Trust","score":0.9998000264167786,"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":0.9998000264167786,"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/T10237","display_name":"Cryptography and Data Security","score":0.9955000281333923,"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/T11424","display_name":"Security and Verification in Computing","score":0.9858999848365784,"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/role-based-access-control","display_name":"Role-based access control","score":0.8079173564910889},{"id":"https://openalex.org/keywords/separation-of-duties","display_name":"Separation of duties","score":0.7913550138473511},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6524468660354614},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.6304098963737488},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.565167248249054},{"id":"https://openalex.org/keywords/duty","display_name":"Duty","score":0.5248199105262756},{"id":"https://openalex.org/keywords/order","display_name":"Order (exchange)","score":0.47735142707824707},{"id":"https://openalex.org/keywords/state","display_name":"State (computer science)","score":0.45100441575050354},{"id":"https://openalex.org/keywords/access-control","display_name":"Access control","score":0.3251011073589325},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.3189655542373657},{"id":"https://openalex.org/keywords/business","display_name":"Business","score":0.21126914024353027},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.12960579991340637},{"id":"https://openalex.org/keywords/political-science","display_name":"Political science","score":0.08025217056274414},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.06824547052383423},{"id":"https://openalex.org/keywords/economics","display_name":"Economics","score":0.06634175777435303}],"concepts":[{"id":"https://openalex.org/C45567728","wikidata":"https://www.wikidata.org/wiki/Q1702839","display_name":"Role-based access control","level":3,"score":0.8079173564910889},{"id":"https://openalex.org/C100587491","wikidata":"https://www.wikidata.org/wiki/Q1474665","display_name":"Separation of duties","level":4,"score":0.7913550138473511},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6524468660354614},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.6304098963737488},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.565167248249054},{"id":"https://openalex.org/C2779103253","wikidata":"https://www.wikidata.org/wiki/Q878070","display_name":"Duty","level":2,"score":0.5248199105262756},{"id":"https://openalex.org/C182306322","wikidata":"https://www.wikidata.org/wiki/Q1779371","display_name":"Order (exchange)","level":2,"score":0.47735142707824707},{"id":"https://openalex.org/C48103436","wikidata":"https://www.wikidata.org/wiki/Q599031","display_name":"State (computer science)","level":2,"score":0.45100441575050354},{"id":"https://openalex.org/C527821871","wikidata":"https://www.wikidata.org/wiki/Q228502","display_name":"Access control","level":2,"score":0.3251011073589325},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.3189655542373657},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.21126914024353027},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.12960579991340637},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.08025217056274414},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.06824547052383423},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.06634175777435303},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C187736073","wikidata":"https://www.wikidata.org/wiki/Q2920921","display_name":"Management","level":1,"score":0.0},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/1030083.1030091","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1030083.1030091","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 11th ACM conference on Computer and communications security","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":45,"referenced_works":["https://openalex.org/W156009831","https://openalex.org/W1502450710","https://openalex.org/W1538129883","https://openalex.org/W1559155956","https://openalex.org/W1605921716","https://openalex.org/W1639227833","https://openalex.org/W1668287011","https://openalex.org/W1840655788","https://openalex.org/W1986359160","https://openalex.org/W1992761401","https://openalex.org/W2000266971","https://openalex.org/W2011039300","https://openalex.org/W2021079739","https://openalex.org/W2038953226","https://openalex.org/W2040023747","https://openalex.org/W2046398106","https://openalex.org/W2057028717","https://openalex.org/W2065076704","https://openalex.org/W2067106503","https://openalex.org/W2100245805","https://openalex.org/W2103317919","https://openalex.org/W2111239270","https://openalex.org/W2124511523","https://openalex.org/W2128145651","https://openalex.org/W2134167896","https://openalex.org/W2141696417","https://openalex.org/W2143509186","https://openalex.org/W2145793726","https://openalex.org/W2145857528","https://openalex.org/W2152505375","https://openalex.org/W2154765153","https://openalex.org/W2156137400","https://openalex.org/W2163283609","https://openalex.org/W2166602595","https://openalex.org/W2169620043","https://openalex.org/W2180985473","https://openalex.org/W2340406763","https://openalex.org/W2476096155","https://openalex.org/W2626643089","https://openalex.org/W4249529812","https://openalex.org/W4285719527","https://openalex.org/W6633401185","https://openalex.org/W6674330518","https://openalex.org/W6675844770","https://openalex.org/W6990023262"],"related_works":["https://openalex.org/W2361825345","https://openalex.org/W2945232779","https://openalex.org/W2056139315","https://openalex.org/W2354790132","https://openalex.org/W2393886221","https://openalex.org/W2378809132","https://openalex.org/W1606180331","https://openalex.org/W2354055181","https://openalex.org/W2938177213","https://openalex.org/W1586718624"],"abstract_inverted_index":{"Separation":[0],"of":[1,36,42,76,102,116],"Duty":[2],"(SoD)":[3],"is":[4,44,90,105,123],"widely":[5],"considered":[6],"to":[7,24,29,59,73,79,136],"be":[8],"a":[9,31,39,100,113],"fundamental":[10,70],"principle":[11],"in":[12,22],"computer":[13],"security.":[14],"A":[15],"Static":[16],"SoD":[17],"(SSoD)":[18],"policy":[19,122],"states":[20],"that":[21,85,110,138],"order":[23],"have":[25],"all":[26],"permissions":[27],"necessary":[28],"complete":[30],"sensitive":[32],"task,":[33],"the":[34,74],"cooperation":[35],"at":[37],"least":[38],"certain":[40],"number":[41],"users":[43],"required.":[45],"In":[46,63],"Role-Based":[47],"Access":[48],"Control":[49],"(RBAC),":[50],"Statically":[51],"Mutually":[52],"Exclusive":[53],"Role":[54],"(SMER)":[55],"constraints":[56,78,104,118,140],"are":[57,141],"used":[58],"enforce":[60,80],"SSoD":[61,81,88,121,148],"policies.":[62,82,149],"this":[64,129],"paper,":[65],"we":[66,108],"pose":[67],"and":[68,126],"answer":[69],"questions":[71],"related":[72],"use":[75],"SMER":[77,103,117,139],"We":[83],"show":[84,109],"directly":[86],"enforcing":[87,147],"policies":[89],"intractable":[91,124],"(<b>coNP</b>-complete),":[92],"while":[93],"checking":[94],"whether":[95,112],"an":[96,120,143],"RBAC":[97],"state":[98],"satisfies":[99],"set":[101,115],"efficient.":[106],"Also,":[107],"verifying":[111],"given":[114],"enforces":[119],"(<b>coNP</b>-complete)":[125],"discuss":[127],"why":[128],"intractability":[130],"result":[131],"should":[132],"not":[133,142],"lead":[134],"us":[135],"conclude":[137],"appropriate":[144],"mechanism":[145],"for":[146]},"counts_by_year":[{"year":2021,"cited_by_count":2},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
