{"id":"W2097599699","doi":"10.3390/min4010130","title":"Helium Production and Possible Projection","year":2014,"lang":"en","type":"article","venue":"Minerals","topic":"Spacecraft and Cryogenic Technologies","field":"Engineering","cited_by":28,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Natural Resources Canada; University of Texas at Austin","keywords":"Helium; Economic shortage; Production (economics); Projection (relational algebra); Natural resource economics; Environmental science; Physics; Mathematics; Economics; Atomic physics","routes":{"ca_aff":false,"ca_fund":true,"ca_venue":false,"about_ca":false,"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":[0.0005532,0.0004228022,0.0002675081,0.001972368,0.0002523493,0.001078791,0.0002804975,0.0002567495,0.003103555],"category_scores_gemma":[0.001917932,0.0002505563,0.000449133,0.003118134,0.0003212344,0.001493612,0.0008814408,0.0005519294,0.0005171618],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0008731227,"about_ca_system_score_gemma":0.0007492329,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01361994,"about_ca_topic_score_gemma":0.01717879,"domain_scores_codex":[0.9996994,0.00007677286,0.00002789652,0.00006191801,0.00008950142,0.00004463084],"domain_scores_gemma":[0.9994286,0.0001554503,0.00008139225,0.00007216098,0.000239346,0.00002310159],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.0003649106,0.00006305231,0.3814824,0.001049019,0.0003844488,0.001310266,0.001366591,0.3230975,0.003675908,0.05823592,0.01645791,0.2125121],"study_design_scores_gemma":[0.00003002983,0.0003138974,0.4366349,0.001234391,0.0001655365,0.001509929,0.005450201,0.1682804,0.01254354,0.05444998,0.3191366,0.000250698],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.7906462,0.006683436,0.08517338,0.002384909,0.0003614383,0.00008948152,0.03870867,0.0008452382,0.07510731],"genre_scores_gemma":[0.961894,0.003964746,0.0163349,0.00008819858,0.00003053889,0.00007283822,0.01322779,0.00006463308,0.00432246],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01361994,"threshold_uncertainty_score":0.02708131,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.008032891357396639,"score_gpt":0.1968990824227731,"score_spread":0.1888661910653764,"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."}}