{"id":"W2912157902","doi":"","title":"20. Projectile Points and Prehistory in Northwestern North America","year":2017,"lang":"en","type":"article","venue":"SFU Archaeology Press","topic":"Anthropology: Ethics, History, Culture","field":"Social Sciences","cited_by":0,"is_retracted":false,"has_abstract":false,"ca_institutions":"Parks Canada; Simon Fraser University","funders":"","keywords":"Projectile point; Prehistory; Geography; Projectile; Archaeology; History; Ancient history; Physics","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":[0.0004587017,0.0002070108,0.000113622,0.001439289,0.008594484,0.001936641,0.0003586164,0.001529704,0.007323537],"category_scores_gemma":[0.0009499635,0.0001428541,0.00007751844,0.002119251,0.0041697,0.001858175,0.001494311,0.001226947,0.0005126885],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.003595041,"about_ca_system_score_gemma":0.003267433,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.2947332,"about_ca_topic_score_gemma":0.7145374,"domain_scores_codex":[0.9997481,0.0000835053,0.00001326976,0.00003262925,0.00003700923,0.00008557219],"domain_scores_gemma":[0.9995505,0.0001625483,0.00006851123,0.00002458242,0.0001120345,0.0000818042],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"observational","study_design_scores_codex":[0.0001913757,0.000106652,0.09404369,0.0002317811,0.0000134638,0.001911975,0.2935213,0.0002985304,0.001934109,0.3320787,0.06739579,0.2082727],"study_design_scores_gemma":[0.00001083468,0.00005040278,0.2663575,0.0005041275,0.00002250011,0.0003688452,0.1150506,0.00008856456,0.0006255948,0.01337827,0.6035174,0.00002530551],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"other","genre_gemma":"empirical","genre_scores_codex":[0.4513303,0.02072559,0.0007581792,0.01905072,0.0004853384,0.00004875389,0.0006513513,0.00004396225,0.5069057],"genre_scores_gemma":[0.8877398,0.005649854,0.0008499383,0.001231582,0.0001699969,0.00006572047,0.0002398049,0.00002446019,0.1040289],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.7052668,"threshold_uncertainty_score":0.5860353,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04057139309104828,"score_gpt":0.3391176350680429,"score_spread":0.2985462419769946,"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."}}