{"id":"W2003748004","doi":"10.1145/1952982.1952985","title":"Authorization recycling in hierarchical RBAC systems","year":2011,"lang":"en","type":"article","venue":"ACM Transactions on Information and System Security","topic":"Access Control and Trust","field":"Social Sciences","cited_by":17,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of British Columbia","funders":"Natural Sciences and Engineering Research Council of Canada","keywords":"Computer science; Bottleneck; Authorization; Access control; Reuse; Role-based access control; Single point of failure; Distributed computing; Computer security; Computer network; Embedded system","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0007854927,0.00008448557,0.0001445851,0.0002101328,0.0004791476,0.0001260941,0.0001530654,0.000145479,0.00004531696],"category_scores_gemma":[0.00006728151,0.00007976845,0.00003491616,0.0002872627,0.00006010846,0.001328811,0.000003566548,0.0001903262,0.00004659933],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00009746989,"about_ca_system_score_gemma":0.00005774206,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004404559,"about_ca_topic_score_gemma":0.0007172291,"domain_scores_codex":[0.9988614,0.0002074069,0.0004122087,0.0000983574,0.0002439378,0.0001767128],"domain_scores_gemma":[0.999478,0.00008649738,0.0001087108,0.0001475012,0.00007680908,0.0001024164],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"qualitative","study_design_scores_codex":[0.000175985,0.0001298219,0.004021353,0.0003361936,0.00003630892,0.000003413146,0.1578411,0.0002565431,0.000002438253,0.7766394,0.00004036968,0.0605171],"study_design_scores_gemma":[0.01319579,0.0008519294,0.09260345,0.002569261,0.0002932035,0.00008666426,0.5062009,0.1814962,0.0002698263,0.03036416,0.168742,0.003326559],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.2403462,0.0002113195,0.5142289,0.001532012,0.003387121,0.002301113,0.00009134084,0.0008205517,0.2370815],"genre_scores_gemma":[0.999586,0.00006918007,0.0001458567,0.00005373983,0.00004075168,0.00005447093,0.000006358553,0.000003367118,0.00004022706],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.7592399,"threshold_uncertainty_score":0.6658406,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02967124889391913,"score_gpt":0.2710190726943146,"score_spread":0.2413478238003955,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}