{"id":"W2809614505","doi":"10.7939/r3cf9jn5q","title":"Impurities and defects in, and isotope compositions of, gemstones","year":2018,"lang":"en","type":"article","venue":"University of Alberta Library","topic":"Geological and Geochemical Analysis","field":"Earth and Planetary Sciences","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Isotope; Impurity; Chemistry; Physics","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":[],"consensus_categories":[],"category_scores_codex":[0.0002696956,0.0001594422,0.0001941517,0.001975682,0.0005183064,0.0007207199,0.0002716123,0.0002865878,0.0005036739],"category_scores_gemma":[0.0005895225,0.0002091523,0.0001771185,0.0007433808,0.0005174675,0.0002933541,0.0004732777,0.0001861198,0.0001035708],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0006087077,"about_ca_system_score_gemma":0.0002550378,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01448683,"about_ca_topic_score_gemma":0.04370024,"domain_scores_codex":[0.9997631,0.00001006634,0.00001728215,0.00009729444,0.00007991416,0.00003235855],"domain_scores_gemma":[0.9997416,0.0000432554,0.00007451516,0.00003049891,0.00008375479,0.00002639896],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0004437845,0.00003987073,0.6749148,0.0001051983,0.00007109375,0.0004715141,0.001613484,0.0009285429,0.2978327,0.0006512426,0.0001112201,0.02281666],"study_design_scores_gemma":[0.000003304119,0.00008278193,0.9672036,0.00001352621,0.00001942902,0.0003203877,0.0006800315,0.0009927516,0.02956253,0.0001453798,0.0009676449,0.000008647441],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9992952,0.00006581094,0.0002738349,0.000002815926,6.846454e-7,0.000003128769,0.0001078696,0.000006009182,0.0002445509],"genre_scores_gemma":[0.9981043,0.00004914075,0.001030357,0.000005768686,5.526049e-7,0.000003213582,0.0001931851,0.000005413879,0.0006079724],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01448683,"threshold_uncertainty_score":0.02880502,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.004957921936633991,"score_gpt":0.1450875355088833,"score_spread":0.1401296135722493,"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."}}