{"id":"W2950596650","doi":"10.2139/ssrn.3030545","title":"Maize and Precolonial Africa","year":2017,"lang":"en","type":"article","venue":"SSRN Electronic Journal","topic":"Culture, Economy, and Development Studies","field":"Social Sciences","cited_by":1,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Waterloo; University of Alberta","funders":"","keywords":"Geography; Ancient history; History; Political science","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":[0.0002620016,0.0001613235,0.00009866812,0.0006602231,0.001347114,0.001449473,0.0001771139,0.0003706853,0.004113657],"category_scores_gemma":[0.0005965172,0.00006195329,0.00005301408,0.001480036,0.00214665,0.000962295,0.001054564,0.000540583,0.0001002593],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.002475758,"about_ca_system_score_gemma":0.001708188,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.02438332,"about_ca_topic_score_gemma":0.06512001,"domain_scores_codex":[0.9998294,0.00005270584,0.000003137409,0.00001414754,0.00001144793,0.00008919316],"domain_scores_gemma":[0.9997811,0.0000658044,0.0000838608,0.000006593804,0.00001470694,0.00004794632],"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":[0.001096436,0.0003555199,0.1303478,0.000492813,0.00007192168,0.005066518,0.1259364,0.0004746786,0.01086639,0.5930296,0.002993102,0.1292688],"study_design_scores_gemma":[0.00009561901,0.0003686412,0.5516763,0.0005549544,0.00008492998,0.001007234,0.20385,0.000481973,0.002676907,0.06849593,0.1706691,0.00003839167],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9577036,0.005931274,0.00008901953,0.002855984,0.00001911841,0.000005229743,0.00004918062,0.000001970896,0.03334467],"genre_scores_gemma":[0.9968094,0.001900101,0.00003138544,0.00008290005,0.000008838651,0.000001935367,0.000007508544,6.143218e-7,0.001157434],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02438332,"threshold_uncertainty_score":0.04848278,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02259525812029028,"score_gpt":0.2921789114684195,"score_spread":0.2695836533481292,"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."}}