{"id":"W2969727736","doi":"10.1145/3350546.3352561","title":"Blockchain based access control systems: State of the art and challenges","year":2019,"lang":"en","type":"article","venue":"IEEE/WIC/ACM International Conference on Web Intelligence","topic":"Access Control and Trust","field":"Social Sciences","cited_by":79,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Saskatchewan","funders":"","keywords":"Access control; State (computer science); Blockchain; Control (management); Discretionary access control; Physical access; Data access; Face (sociological concept)","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.006941685,0.0006688894,0.001598602,0.001843659,0.001962881,0.007588283,0.002690193,0.003726601,0.003955374],"category_scores_gemma":[0.01040654,0.0005927913,0.0005235568,0.003916494,0.004269673,0.01408247,0.003841379,0.003243072,0.001393218],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.002564901,"about_ca_system_score_gemma":0.002851216,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002525717,"about_ca_topic_score_gemma":0.001214947,"domain_scores_codex":[0.9923679,0.002449117,0.0004753733,0.0009968048,0.003212364,0.0004983763],"domain_scores_gemma":[0.9829653,0.01139185,0.001152668,0.00187366,0.001984631,0.0006319328],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"not_applicable","study_design_scores_codex":[0.0001667441,0.0002356066,0.001972744,0.002130246,0.00009462156,0.0002451963,0.0008931769,0.0304159,0.002396589,0.586868,0.008375762,0.3662054],"study_design_scores_gemma":[0.00005942784,0.0002378869,0.0008385268,0.0009988293,0.00005738527,0.0005019518,0.0008129029,0.2406131,0.002760932,0.6191953,0.1338109,0.000112783],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"methods","genre_gemma":"review","genre_scores_codex":[0.04381045,0.186846,0.674871,0.02648786,0.00101812,0.0005251012,0.0003455841,0.0009908986,0.06510511],"genre_scores_gemma":[0.7686113,0.1193614,0.09486447,0.001548274,0.002405902,0.0004575037,0.0005054667,0.0001243312,0.01212136],"genre_candidate":"review","genre_consensus":null,"teacher_disagreement_score":0.007588283,"threshold_uncertainty_score":0.03671163,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.08719291932915742,"score_gpt":0.3392831230775589,"score_spread":0.2520902037484015,"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."}}