{"id":"W1907049803","doi":"10.2458/azu_rc.57.18431","title":"Freshwater Reservoir Effect on Redating of Eurasian Steppe Cultures: First Results for Eneolithic and Early Bronze Age Northeast Kazakhstan","year":2015,"lang":"en","type":"article","venue":"Radiocarbon","topic":"Archaeology and ancient environmental studies","field":"Earth and Planetary Sciences","cited_by":30,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Queen's University; Queen's University Belfast; Leverhulme Trust","keywords":"Radiocarbon dating; Bronze Age; Chalcolithic; Steppe; Accelerator mass spectrometry; Period (music); Archaeology; Bronze; Fauna; Isotope analysis; Holocene; Geology; Geography; Biology; Ecology","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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0005227192,0.0001520907,0.0002327512,0.00004315256,0.0002019388,0.0000109683,0.0001312828,0.00007801161,0.000008751308],"category_scores_gemma":[0.0001440379,0.0001064225,0.00004644612,0.00006627895,0.0003191909,0.0000781815,0.00002984145,0.0001183388,0.000007940456],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000008769142,"about_ca_system_score_gemma":0.000007568746,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0009829663,"about_ca_topic_score_gemma":0.005507555,"domain_scores_codex":[0.9988989,0.0001046083,0.0002183867,0.0002961846,0.0001995693,0.0002823516],"domain_scores_gemma":[0.9993579,0.0002485182,0.00009221086,0.0001638204,0.00001040109,0.0001271604],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00100892,0.00001539512,0.9914581,0.00006344334,0.00003711863,0.00002077951,0.003946655,0.000570523,0.00005694494,0.00003893242,0.0005141481,0.002269072],"study_design_scores_gemma":[0.002229931,0.004680384,0.9778275,0.0001360908,0.00003413728,0.00001289476,0.0004959369,0.001090851,0.0008316858,0.0006763584,0.01172582,0.000258449],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9926939,0.0009261236,0.00000638526,0.0003540668,0.0001309108,0.0003042373,0.0001811481,0.00002015363,0.005383079],"genre_scores_gemma":[0.9989843,0.00004559532,0.0003631334,0.000048449,0.00009291095,0.000004117693,0.00008473477,0.000004755003,0.0003720381],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01363061,"threshold_uncertainty_score":0.4339784,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01828428787577291,"score_gpt":0.2253264962622313,"score_spread":0.2070422083864583,"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."}}