{"id":"W1833136862","doi":"10.1017/s0033822200056630","title":"The Canadian Archaeological Radiocarbon Database (Card): Archaeological <sup>14</sup>C Dates in North America and Their Paleoenvironmental Context","year":2011,"lang":"en","type":"article","venue":"Radiocarbon","topic":"Archaeology and ancient environmental studies","field":"Earth and Planetary Sciences","cited_by":50,"is_retracted":false,"has_abstract":true,"ca_institutions":"Canadian Museum of Nature; University of Ottawa","funders":"Natural Sciences and Engineering Research Council of Canada; Canadian Foundation for Climate and Atmospheric Sciences","keywords":"Radiocarbon dating; Archaeology; Prehistory; Archaeological record; Context (archaeology); Population; Geography; Taphonomy; Woodland; Database; Ecology; Demography","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":true,"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":[0.002166863,0.0008589693,0.0006944759,0.01358267,0.002742047,0.00282566,0.001947152,0.0005154934,0.007262403],"category_scores_gemma":[0.007877288,0.0004844827,0.0003348154,0.03889228,0.0006954223,0.001084125,0.001496089,0.0007870953,0.002376714],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.009852725,"about_ca_system_score_gemma":0.04077304,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9703579,"about_ca_topic_score_gemma":0.9817449,"domain_scores_codex":[0.9983859,0.00007906419,0.0002096896,0.0002471363,0.0008562827,0.0002218406],"domain_scores_gemma":[0.9879,0.0008895746,0.001327541,0.0007771716,0.007976647,0.001128886],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"not_applicable","study_design_gemma":"not_applicable","study_design_scores_codex":[0.0004655098,0.00005583046,0.1452674,0.003217764,0.0002650733,0.0003591168,0.001613656,0.001203269,0.002696722,0.004093172,0.4621513,0.3786111],"study_design_scores_gemma":[0.00003110083,0.00002165919,0.4856068,0.0005875145,0.000143026,0.0001818673,0.001042096,0.0005610879,0.0009139718,0.0005084538,0.5103104,0.00009200304],"study_design_candidate":"not_applicable","study_design_consensus":"not_applicable","genre_codex":"dataset","genre_gemma":"dataset","genre_scores_codex":[0.04983146,0.01327145,0.003335152,0.001174832,0.0002450394,0.0002593969,0.9100305,0.0008607875,0.02099145],"genre_scores_gemma":[0.1472929,0.01840666,0.02656008,0.0007109107,0.0001500939,0.0006749028,0.7958639,0.0003989854,0.009941653],"genre_candidate":"dataset","genre_consensus":"dataset","teacher_disagreement_score":0.02964211,"threshold_uncertainty_score":0.07148683,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01778794594087175,"score_gpt":0.1743883961575695,"score_spread":0.1566004502166977,"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."}}