{"id":"W2034349189","doi":"10.1006/jhev.2002.0562","title":"Timing of the Lower to Middle Paleolithic boundary: new dates from the Levant","year":2002,"lang":"en","type":"article","venue":"Journal of Human Evolution","topic":"Pleistocene-Era Hominins and Archaeology","field":"Social Sciences","cited_by":70,"is_retracted":false,"has_abstract":false,"ca_institutions":"McMaster University; University of Toronto","funders":"Social Sciences and Humanities Research Council of Canada","keywords":"Middle Paleolithic; Chronology; Geology; Isotopes of oxygen; Upper Paleolithic; Radiometric dating; Paleontology; Archaeology; Stage (stratigraphy); Geography; Pleistocene; Geochemistry","routes":{"ca_aff":true,"ca_fund":true,"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":[0.0008639972,0.0002921216,0.0003031618,0.002799822,0.0009561344,0.001503098,0.0004992716,0.0003524482,0.004276131],"category_scores_gemma":[0.002430106,0.0001814818,0.0001557662,0.002764313,0.0009014943,0.001030354,0.001488531,0.0003883254,0.0004125886],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001028375,"about_ca_system_score_gemma":0.0004937591,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.04177145,"about_ca_topic_score_gemma":0.1133106,"domain_scores_codex":[0.9996966,0.0001013213,0.00003586186,0.00006587782,0.00004469047,0.00005564127],"domain_scores_gemma":[0.9988781,0.0002405573,0.0003140947,0.0000704488,0.000394836,0.000101915],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.001499913,0.0001047773,0.819191,0.0003248098,0.0002066548,0.001209259,0.05590785,0.001040711,0.01619767,0.006171235,0.002312357,0.09583376],"study_design_scores_gemma":[0.000009134936,0.00008486206,0.9830917,0.00009974878,0.00004672149,0.0005049638,0.004621976,0.0002623441,0.001264726,0.0003163673,0.009681539,0.00001606839],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9941454,0.001203144,0.0002108223,0.0001571805,0.00001617668,0.000003620428,0.0002167002,0.00000676125,0.004040333],"genre_scores_gemma":[0.9991512,0.0001723062,0.0001436649,0.00001497599,0.000009233928,0.000002854773,0.0001451147,0.000006787737,0.0003537251],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.04177145,"threshold_uncertainty_score":0.08305663,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.06728925713038217,"score_gpt":0.2967560109282964,"score_spread":0.2294667537979142,"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."}}