{"id":"W4232091557","doi":"10.1126/science.335.6065.151-a","title":"Random Sample","year":2012,"lang":"en","type":"article","venue":"Science","topic":"Chemical Safety and Risk Management","field":"Chemical Engineering","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Quarter (Canadian coin); Sample (material); Geography; Chemistry; Archaeology; Chromatography","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":["insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.008443969,0.0013621,0.001623351,0.00192013,0.001111968,0.001148756,0.001918825,0.002262538,0.2286077],"category_scores_gemma":[0.07330123,0.0005056922,0.001118604,0.001642716,0.0006372411,0.001291755,0.001418737,0.001988055,0.09196192],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0008037382,"about_ca_system_score_gemma":0.002333975,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003136278,"about_ca_topic_score_gemma":0.002292163,"domain_scores_codex":[0.9901596,0.00422329,0.001078639,0.002642202,0.001384849,0.0005115264],"domain_scores_gemma":[0.9836615,0.00666105,0.0008656802,0.004458231,0.003951629,0.0004020449],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"not_applicable","study_design_gemma":"not_applicable","study_design_scores_codex":[0.01021923,0.000954158,0.01691035,0.003131195,0.0004525156,0.0006451696,0.0005288874,0.001877092,0.0009206868,0.01639499,0.7343097,0.213656],"study_design_scores_gemma":[0.008727699,0.002571882,0.02076458,0.002984574,0.0007901699,0.001145992,0.0009482916,0.01215924,0.001873262,0.05322385,0.8946592,0.000151357],"study_design_candidate":"not_applicable","study_design_consensus":"not_applicable","genre_codex":"dataset","genre_gemma":"empirical","genre_scores_codex":[0.05846845,0.004291647,0.1916934,0.008147066,0.008996771,0.1387695,0.4362125,0.008119711,0.1453009],"genre_scores_gemma":[0.2649874,0.002131395,0.1069869,0.01730267,0.001694183,0.2096766,0.2027831,0.001797856,0.1926399],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.7713923,"threshold_uncertainty_score":0.764769,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01251806171541713,"score_gpt":0.2462158039922978,"score_spread":0.2336977422768807,"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."}}