{"id":"W100108717","doi":"10.4000/quaternaire.5289","title":"IUGS ratification of the Quaternary System/Period and the Pleistocene Series/Epoch with a base at 2.58 Ma","year":2009,"lang":"en","type":"article","venue":"Quaternaire","topic":"Geology and Paleoclimatology Research","field":"Earth and Planetary Sciences","cited_by":66,"is_retracted":false,"has_abstract":true,"ca_institutions":"Brock University","funders":"","keywords":"Pleistocene; Stratotype; Quaternary; Geology; Archaeology; Paleontology; Stratigraphy; Stage (stratigraphy); Geography; Tectonics","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":[0.01240577,0.0009326534,0.001019246,0.003288041,0.002757258,0.003691872,0.001666646,0.004000107,0.004347017],"category_scores_gemma":[0.01477313,0.0004677167,0.001035403,0.002578996,0.00273691,0.001079828,0.002541366,0.007386823,0.001698993],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.004610647,"about_ca_system_score_gemma":0.01616963,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.06838752,"about_ca_topic_score_gemma":0.0657617,"domain_scores_codex":[0.9954973,0.0007057614,0.000634936,0.0004916317,0.001784201,0.0008860931],"domain_scores_gemma":[0.9927474,0.0006905688,0.001002204,0.001040126,0.003826184,0.0006934747],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"not_applicable","study_design_scores_codex":[0.0008826173,0.0002651556,0.03670247,0.001382524,0.000260932,0.001974533,0.006597747,0.00264827,0.02574684,0.4764868,0.2598657,0.1871863],"study_design_scores_gemma":[0.0001051383,0.0001729381,0.0524759,0.0005619984,0.0001259618,0.0001687638,0.0003966197,0.000403559,0.0057359,0.006769195,0.9330152,0.00006890968],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"other","genre_gemma":"other","genre_scores_codex":[0.1559508,0.02116231,0.01898288,0.05845827,0.08922844,0.002905525,0.01110119,0.001782219,0.6404283],"genre_scores_gemma":[0.5234545,0.008653759,0.07918768,0.04343611,0.01027278,0.00234616,0.009611824,0.0005851104,0.3224522],"genre_candidate":"other","genre_consensus":"other","teacher_disagreement_score":0.06838752,"threshold_uncertainty_score":0.1359789,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.009159072165493352,"score_gpt":0.2014218535170488,"score_spread":0.1922627813515555,"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."}}