{"id":"W1994925504","doi":"10.1073/pnas.0904826106","title":"Stable isotope dietary analysis of the Tianyuan 1 early modern human","year":2009,"lang":"en","type":"article","venue":"Proceedings of the National Academy of Sciences","topic":"Archaeology and ancient environmental studies","field":"Earth and Planetary Sciences","cited_by":119,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of British Columbia","funders":"University of Chinese Academy of Sciences; Max-Planck-Gesellschaft; Chinese Academy of Sciences; National Science Foundation","keywords":"Isotope analysis; Subsistence agriculture; δ15N; Stable isotope ratio; δ13C; Isotopes of nitrogen; Freshwater fish; Cave; Isotopes of carbon; Fish <Actinopterygii>; Ecology; Biology; Fishery","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":[0.0001651209,0.0001449556,0.000133355,0.001170755,0.0004551044,0.0002138788,0.0001554678,0.0001761119,0.0009323694],"category_scores_gemma":[0.0003344233,0.0001559021,0.0001137019,0.001140266,0.0003462388,0.0001157448,0.0002553957,0.0001386806,0.0001245802],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003668803,"about_ca_system_score_gemma":0.0002555026,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01431956,"about_ca_topic_score_gemma":0.02881026,"domain_scores_codex":[0.9999375,0.00001333771,0.000004748162,0.0000183271,0.00001491135,0.00001107194],"domain_scores_gemma":[0.9998949,0.00001086107,0.00002594337,0.00001624044,0.0000352589,0.00001679011],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0002949606,0.00003485106,0.8610558,0.0000736868,0.00009848674,0.0004239489,0.004908679,0.0001899704,0.08862349,0.0004128997,0.0003931102,0.04349003],"study_design_scores_gemma":[0.000002390098,0.0000371685,0.9957059,0.000002907683,0.00001452414,0.0003742645,0.000287737,0.0001546589,0.002282359,0.00007360957,0.001058751,0.000005765833],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9991263,0.0001166148,0.0002044599,0.00002165271,0.000001516708,0.000002049577,0.0001636835,0.000003186309,0.0003604742],"genre_scores_gemma":[0.9980768,0.00017739,0.0006685989,0.00002399966,0.000003368386,0.00000698839,0.0003130646,0.000004494727,0.0007253524],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01431956,"threshold_uncertainty_score":0.02847242,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03553974781978999,"score_gpt":0.2588561819791868,"score_spread":0.2233164341593968,"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."}}