{"id":"W2898187250","doi":"10.4081/arc.2018.7171","title":"Archaeomagnetism of four pottery kilns in central Portugal: Implications for secular variation and dating","year":2018,"lang":"en","type":"article","venue":"Open Journal of Archaeometry","topic":"Geomagnetism and Paleomagnetism Studies","field":"Biochemistry, Genetics and Molecular Biology","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Alberta","funders":"Natural Sciences and Engineering Research Council of Canada","keywords":"Archaeomagnetic dating; Pottery; Secular variation; Chronology; Kiln; Archaeology; Context (archaeology); Period (music); Geology; Geomagnetic secular variation; Earth's magnetic field; Geography; Art; Geophysics","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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0006163282,0.0001291187,0.0002711434,0.0001911732,0.00008294095,0.00002210018,0.0003719043,0.00008004543,0.00002262806],"category_scores_gemma":[0.000262968,0.0001232697,0.00007256719,0.0001862046,0.0002216452,0.00002530125,0.0003760973,0.00009109797,3.457854e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000008014839,"about_ca_system_score_gemma":0.00009319955,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00005822378,"about_ca_topic_score_gemma":0.0001288775,"domain_scores_codex":[0.9988201,0.00006755551,0.0005208988,0.0002134261,0.0001110816,0.0002669401],"domain_scores_gemma":[0.998992,0.00005783434,0.0003911688,0.0002152012,0.0002438764,0.00009994421],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"observational","study_design_scores_codex":[0.0004920833,0.0001908867,0.3457943,0.0001599539,0.0001985479,0.0000138493,0.002998555,0.00003278852,0.6081688,0.001070604,0.001532544,0.03934702],"study_design_scores_gemma":[0.001548823,0.002262375,0.9811057,0.00007450095,0.00003668697,0.0002252208,0.0002554082,0.00002943623,0.007898445,0.003508413,0.002891021,0.000163947],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9874732,0.001314353,0.008955262,0.001018693,0.0001589743,0.000346591,0.00006139205,0.000001467102,0.0006700399],"genre_scores_gemma":[0.9759561,0.0005591051,0.02292164,0.0001021138,0.0002680971,0.00001264673,0.00002197754,0.00001592185,0.0001424223],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.6353114,"threshold_uncertainty_score":0.5026794,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02356819962221919,"score_gpt":0.2921612217345094,"score_spread":0.2685930221122902,"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."}}