{"id":"W4207087124","doi":"","title":"Obsidian value and exchange in the southern Red Sea region and its role in the establishment of prehistoric complex society: new data from South Arabia and the African Horn","year":2015,"lang":"en","type":"preprint","venue":"HAL (Le Centre pour la Communication Scientifique Directe)","topic":"Archaeology and ancient environmental studies","field":"Earth and Planetary Sciences","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"Canada Research Chairs; University of Toronto","funders":"","keywords":"Prehistory; Value (mathematics); Geography; Archaeology; Ancient history; Economic geography; Computer science; History","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":[0.0004982171,0.0001832622,0.0002099015,0.001130167,0.0008873576,0.001020876,0.0003188806,0.0002410296,0.001876203],"category_scores_gemma":[0.00140223,0.0001566671,0.0001236585,0.003498386,0.001175643,0.0008513393,0.000835945,0.0003151589,0.0001997085],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0008093046,"about_ca_system_score_gemma":0.0006685899,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.09708168,"about_ca_topic_score_gemma":0.2293477,"domain_scores_codex":[0.9998466,0.00004616949,0.00001320121,0.00002838255,0.00002518622,0.00004041741],"domain_scores_gemma":[0.9987273,0.0003736556,0.0004655193,0.00009415032,0.0002188357,0.0001205968],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001686296,0.00003824874,0.9303789,0.00005724905,0.000045067,0.0002969357,0.05056171,0.0001196751,0.001495894,0.001027573,0.0002267247,0.01558345],"study_design_scores_gemma":[0.000001616517,0.00001236364,0.9831434,0.00001489051,0.000006689378,0.00006972413,0.01555544,0.00004112508,0.00007929667,0.0000689779,0.00100327,0.000003243749],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9992157,0.00009211597,0.00001658666,0.00002142078,6.828584e-7,0.000001130896,0.00009177208,2.246144e-7,0.0005602606],"genre_scores_gemma":[0.9992323,0.0001297926,0.00007915198,0.000007812407,0.00000165943,0.000002549053,0.0001345906,9.268614e-7,0.0004113068],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.09708168,"threshold_uncertainty_score":0.1930332,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04544210076744355,"score_gpt":0.2123366979033963,"score_spread":0.1668945971359527,"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."}}