{"id":"W3151058870","doi":"10.1016/j.exis.2021.100898","title":"Is niobium critical for Canada?","year":2021,"lang":"en","type":"article","venue":"The Extractive Industries and Society","topic":"Metallurgical Processes and Thermodynamics","field":"Engineering","cited_by":8,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of British Columbia","funders":"Natural Resources Canada; U.S. Geological Survey; Universidade Federal do Rio de Janeiro","keywords":"Criticality; Niobium; Business; Work (physics); Natural resource economics; Materials science; Metallurgy; Engineering; Economics; Mechanical engineering","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":true,"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":[0.002747823,0.0005299935,0.0006658577,0.002451396,0.01620095,0.01110758,0.002155536,0.004336963,0.02330323],"category_scores_gemma":[0.0130347,0.0003442361,0.0005454572,0.002440749,0.008508953,0.005498698,0.003689747,0.004779258,0.001651374],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.1250094,"about_ca_system_score_gemma":0.2993029,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9895578,"about_ca_topic_score_gemma":0.9931392,"domain_scores_codex":[0.9953293,0.0002615704,0.0001069746,0.0004410771,0.001573535,0.002287546],"domain_scores_gemma":[0.9906408,0.0008727091,0.0004646554,0.0002781019,0.006061478,0.001682109],"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":[0.0008003862,0.00006069043,0.01800559,0.0009384265,0.0001005479,0.0009978097,0.008394298,0.0006448108,0.002743592,0.6179474,0.2333717,0.1159948],"study_design_scores_gemma":[0.00004793624,0.00004072411,0.011796,0.0009293584,0.0001076054,0.0002346904,0.0233767,0.0002627803,0.002072076,0.06108816,0.8999198,0.0001242286],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"commentary","genre_gemma":"empirical","genre_scores_codex":[0.0606707,0.0278745,0.001136562,0.4560241,0.003420313,0.00007634563,0.001207432,0.000179979,0.4494101],"genre_scores_gemma":[0.762306,0.02608619,0.00150409,0.05215413,0.0006269705,0.00004237323,0.0005670049,0.0001760413,0.1565371],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.1250094,"threshold_uncertainty_score":0.9070109,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0196050379789168,"score_gpt":0.2466715469829747,"score_spread":0.2270665090040579,"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."}}