{"id":"W2993794791","doi":"10.1080/15564894.2019.1659883","title":"Synthesis and analysis of the Early to Middle Holocene radiocarbon record for the Northern Northwest Coast of North America: A gap in dated components between ∼9000 and 8300 cal BP","year":2019,"lang":"en","type":"article","venue":"The Journal of Island and Coastal Archaeology","topic":"Geology and Paleoclimatology Research","field":"Earth and Planetary Sciences","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of British Columbia","funders":"Social Sciences and Humanities Research Council of Canada; National Science Foundation","keywords":"Radiocarbon dating; Holocene; Archaeology; Geology; Absolute dating; Archaeological record; Physical geography; Oceanography; Paleontology; Geography","routes":{"ca_aff":true,"ca_fund":true,"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":[0.003279572,0.0007474017,0.0008303584,0.008854294,0.0005550605,0.001962869,0.0005390793,0.0004443249,0.003540893],"category_scores_gemma":[0.01114885,0.0003218735,0.0006713105,0.00902126,0.0005191967,0.0006414949,0.00116277,0.000488126,0.000757146],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001318824,"about_ca_system_score_gemma":0.002480442,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.03027277,"about_ca_topic_score_gemma":0.06792913,"domain_scores_codex":[0.9981558,0.000395185,0.0005768153,0.000519669,0.000280897,0.00007156008],"domain_scores_gemma":[0.9880497,0.005355808,0.001705548,0.001160982,0.003483818,0.0002441883],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.001809106,0.0002475557,0.4570495,0.0373663,0.008372067,0.002230421,0.01012714,0.007490815,0.03760763,0.003980171,0.02497381,0.4087454],"study_design_scores_gemma":[0.00004527238,0.0001574553,0.8785334,0.003575245,0.002821119,0.000258672,0.004842564,0.001085359,0.003206566,0.001068777,0.1043213,0.00008432189],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.6821888,0.0903281,0.01776451,0.001747175,0.0009924552,0.0005575542,0.1865105,0.0003378031,0.01957307],"genre_scores_gemma":[0.8777378,0.02892391,0.02857151,0.0005661852,0.0003755258,0.0006358319,0.05988665,0.0001449714,0.003157645],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.9697272,"threshold_uncertainty_score":0.06019312,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02093880318238549,"score_gpt":0.2219251071208226,"score_spread":0.2009863039384371,"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."}}