{"id":"W2613653867","doi":"10.1111/bor.12258","title":"Untangling natural and anthropogenic multi‐element signatures in archaeological soils at the Ikirahak site, Arctic Canada","year":2017,"lang":"en","type":"article","venue":"Boreas","topic":"Heavy metals in environment","field":"Environmental Science","cited_by":4,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Calgary","funders":"Social Sciences and Humanities Research Council of Canada; University of Calgary","keywords":"Soil water; Trace element; Archaeology; Natural (archaeology); Geology; Hearth; Arctic; Environmental chemistry; Vegetation (pathology); Earth science; Mineralogy; Geochemistry; Soil science; Chemistry; Oceanography; Geography","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":"codex-gemma-dda1882f352a","candidate_categories":["insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.0004335532,0.0001730335,0.0001731617,0.00001298686,0.0005442265,0.00003100769,0.000365406,0.00006057756,0.001051849],"category_scores_gemma":[0.0002620682,0.0001129121,0.00003983883,0.00003707225,0.001047701,0.00009682854,0.000948525,0.0002530019,0.00002821699],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0007036809,"about_ca_system_score_gemma":0.00002788604,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.4533265,"about_ca_topic_score_gemma":0.915347,"domain_scores_codex":[0.9984857,0.000109705,0.0002117508,0.0003880695,0.0003917855,0.0004129879],"domain_scores_gemma":[0.9990513,0.000170308,0.0001068131,0.0005553789,0.000002300449,0.000113854],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0000284201,0.0000574392,0.9828817,0.000008507497,0.00001466351,0.0001433415,0.0002906216,0.001969461,0.002384852,0.00003284702,0.001014816,0.01117339],"study_design_scores_gemma":[0.0002718704,0.00001684691,0.9888764,0.00001416706,0.00001021242,0.00001252122,0.0000761115,0.002377799,0.001318098,0.00007773459,0.006780306,0.0001679484],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9965714,0.0007884086,0.00001308173,0.001658243,0.0001712208,0.0002710977,0.00001583188,0.000008774527,0.0005019046],"genre_scores_gemma":[0.9981614,0.0001347627,0.0005335789,0.0004838321,0.00003595107,0.00002419385,0.000006951471,0.00001180985,0.0006074764],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.4620206,"threshold_uncertainty_score":0.9998613,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01344958718486513,"score_gpt":0.2515571808377686,"score_spread":0.2381075936529035,"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."}}