{"meta":{"page":1,"per_page":50,"max_per_page":100,"total":1,"total_is_capped":false,"direct_labels_cover":0,"predictions_cover":1,"direct_label_status":"direct model label, unvalidated","prediction_status":"machine_predicted_unvalidated (Codex and Gemma teacher distillation)","score_status":"score_only:v0-immature-baseline (scores rank; they never assert a category)","snapshot":{"source":"OpenAlex, pinned release, all 482 partitions","release":"2026-06-24","frame_built":"2026-07-12","author_layer_release":"2026-06-26"},"query_hash":"fecf6a542850","filters":{"venue":"Advances in isotope geochemistry"}},"results":[{"id":"W179025700","doi":"10.1007/978-3-642-10637-8_34","title":"Stable Isotopes of Carbon and Nitrogen as Tracers for Paleo-Diet Reconstruction","year":2011,"lang":"en","type":"book-chapter","venue":"Advances in isotope geochemistry","topic":"Isotope Analysis in Ecology","field":"Environmental Science","cited_by":98,"is_retracted":false,"has_abstract":false,"routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false},"ca_institutions":"McMaster University","funders":"","keywords":"δ15N; δ13C; Nutrient; Trophic level; Isotopes of nitrogen; Isotope analysis; Isotopes of carbon; Isotope; Arid; Environmental chemistry; Nitrogen; Organic matter; Stable isotope ratio; Carbon fibers; Biology; Environmental science; Chemistry; Ecology; Total organic carbon","authors":[{"name":"Henry P. Schwarcz","is_ca":true},{"name":"Margaret J. Schoeninger","is_ca":false}],"retraction":null,"screen_n_in":null,"score":{"opus":0.007426419449712455,"gpt":0.2187381804128828,"spread":0.2113117609631703,"validation_status":"score_only:v0-immature-baseline"},"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0005266783,0.0004466014,0.0004291207,0.0006849539,0.0001678204,0.001018712,0.0007382304,0.0006688872,0.003867824],"category_scores_gemma":[0.0003606217,0.0003649592,0.0002149476,0.001235846,0.0006885722,0.001198861,0.0005709921,0.0007717016,0.00221923],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005354686,"about_ca_system_score_gemma":0.0003099674,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0007081297,"about_ca_topic_score_gemma":0.002140835,"domain_scores_codex":[0.9998993,0.00001437132,0.000003875248,0.00002703,0.00005105149,0.000004389949],"domain_scores_gemma":[0.9999261,0.00004121958,0.000003975361,0.00001020567,0.00001421747,0.000004364028],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"not_applicable","study_design_scores_codex":[0.0001060983,0.00004341063,0.001197067,0.0005970394,0.00004439018,0.0001177196,0.0001599063,0.005104329,0.1176284,0.1124066,0.01604239,0.7465524],"study_design_scores_gemma":[0.00002314854,0.00007360863,0.002661097,0.0002558494,0.00006775353,0.0007626181,0.0001313247,0.0300519,0.1225632,0.180958,0.6623644,0.00008705544],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"methods","genre_gemma":"review","genre_scores_codex":[0.03027022,0.1750612,0.610845,0.002137298,0.001733154,0.0000822198,0.001787694,0.001085169,0.1769979],"genre_scores_gemma":[0.15156,0.134088,0.5105426,0.0008031954,0.0006868636,0.0001952205,0.001839365,0.001012206,0.1992724],"genre_candidate":"review","genre_consensus":null,"teacher_disagreement_score":0.003867824,"threshold_uncertainty_score":0.01293921,"prediction_status":"machine_predicted_unvalidated"},"labels":[],"label_agreement":null}]}