{"id":"W2491703561","doi":"10.1073/pnas.1604903113","title":"Timing and causes of mid-Holocene mammoth extinction on St. Paul Island, Alaska","year":2016,"lang":"en","type":"article","venue":"Proceedings of the National Academy of Sciences","topic":"Pleistocene-Era Hominins and Archaeology","field":"Social Sciences","cited_by":176,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Alberta","funders":"","keywords":"Mammoth; Holocene; Archaeology; Geology; Extinction (optical mineralogy); History; Geography; Paleontology","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":[0.0002326132,0.00009884489,0.0001053832,0.0006440483,0.0004442656,0.0004044275,0.0002424059,0.0001830132,0.0006935707],"category_scores_gemma":[0.0004582577,0.0001143016,0.0001175992,0.0002540074,0.0003524343,0.0002788933,0.0004457907,0.0001712711,0.00008445352],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005027055,"about_ca_system_score_gemma":0.0002422458,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0433283,"about_ca_topic_score_gemma":0.1289474,"domain_scores_codex":[0.9999273,0.000005767495,0.000009095037,0.00002719495,0.00001606143,0.00001459511],"domain_scores_gemma":[0.9995717,0.0000490158,0.0001942538,0.00002298898,0.00009566383,0.0000663304],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00002542656,0.000005968141,0.9957013,0.000009864757,0.00001554554,0.0001067389,0.0002596678,0.00009065485,0.0009316048,0.00002691598,0.00006334846,0.002762942],"study_design_scores_gemma":[2.586634e-7,0.000004977841,0.9995241,0.000003720967,0.000004194178,0.00005161567,0.0001705327,0.00008829242,0.00005775562,0.000008741367,0.00008494643,8.362356e-7],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9994105,0.0001291224,0.00003244988,0.00001479279,0.000001416535,8.77467e-7,0.00007033312,0.000002440586,0.0003380062],"genre_scores_gemma":[0.9994691,0.0001609027,0.0000374828,0.000006981547,0.000002016948,0.000001170314,0.0001556181,6.795179e-7,0.000165953],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0433283,"threshold_uncertainty_score":0.0861522,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04966874700172544,"score_gpt":0.3217129681104079,"score_spread":0.2720442211086824,"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."}}