{"id":"W2460093923","doi":"10.1017/s0033822200032173","title":"The Radiocarbon Dating and Authentication of Iron Artifacts","year":2002,"lang":"en","type":"article","venue":"Radiocarbon","topic":"Metallurgy and Cultural Artifacts","field":"Social Sciences","cited_by":21,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Alberta","funders":"","keywords":"Radiocarbon dating; Accelerator mass spectrometry; Confusion; Geology; Carbon fibers; Geochronology; Earth science; Archaeology; Geochemistry; Environmental science; Paleontology; History; Computer science","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":[0.00242102,0.0002595851,0.0001524414,0.002094992,0.0009915291,0.001642548,0.0005293878,0.0009652532,0.001130309],"category_scores_gemma":[0.003890123,0.0001718153,0.0001057661,0.001132028,0.003732709,0.001147271,0.0008700781,0.0005194737,0.0009321105],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004705213,"about_ca_system_score_gemma":0.0006778919,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001119023,"about_ca_topic_score_gemma":0.001483497,"domain_scores_codex":[0.998471,0.0007142785,0.0001179499,0.0001683661,0.0004377429,0.00009059485],"domain_scores_gemma":[0.9980251,0.0004557308,0.0004969068,0.000575806,0.000383296,0.0000631681],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.0003679079,0.00006642249,0.03623741,0.00060689,0.00002469029,0.003396579,0.01112102,0.0008862314,0.1381355,0.2006021,0.003573073,0.6049823],"study_design_scores_gemma":[0.00002577067,0.0004472437,0.06999967,0.0006112537,0.00005431107,0.01382087,0.007646919,0.001887428,0.2193103,0.04941212,0.6366466,0.0001376094],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.7241564,0.03090915,0.1206483,0.004327481,0.0009375654,0.0001777671,0.000524258,0.0002157593,0.1181033],"genre_scores_gemma":[0.9150415,0.006365553,0.05918713,0.0002703558,0.000251106,0.00003359463,0.0001307448,0.00004679229,0.01867335],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.00242102,"threshold_uncertainty_score":0.01280373,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02937355951816977,"score_gpt":0.2585829463354951,"score_spread":0.2292093868173253,"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."}}