{"id":"W1987785538","doi":"10.1007/s11837-013-0573-8","title":"Materials Science Challenges in Radiocarbon Dating: The Case of Archaeological Plasters","year":2013,"lang":"en","type":"article","venue":"JOM","topic":"Archaeology and ancient environmental studies","field":"Earth and Planetary Sciences","cited_by":18,"is_retracted":false,"has_abstract":false,"ca_institutions":"Memorial University of Newfoundland","funders":"","keywords":"Radiocarbon dating; Archaeology; Context (archaeology); Diagenesis; Geology; Excavation; Characterization (materials science); Archaeological science; Mineralogy; Materials science; History; Nanotechnology","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":[0.01759083,0.0004385056,0.0006591634,0.002377517,0.006231513,0.00792494,0.002572547,0.00623723,0.008438426],"category_scores_gemma":[0.0352641,0.0008086771,0.0002812688,0.003575741,0.01444874,0.008389747,0.003815152,0.004205967,0.001652603],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.002280139,"about_ca_system_score_gemma":0.002407747,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.006836865,"about_ca_topic_score_gemma":0.0166222,"domain_scores_codex":[0.9959416,0.002143246,0.0001554195,0.0004967271,0.0009483959,0.000314652],"domain_scores_gemma":[0.9726276,0.01979877,0.001199156,0.003439308,0.002362363,0.0005727578],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.0002607561,0.0000972803,0.01455379,0.000861751,0.00005284299,0.008018782,0.04916241,0.0049345,0.003432256,0.6011826,0.02768028,0.2897628],"study_design_scores_gemma":[0.00001686994,0.00005786257,0.009889944,0.0009106363,0.00003636898,0.007094204,0.05379815,0.002276083,0.003956054,0.4300428,0.4918326,0.00008829385],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.3576674,0.04874922,0.05293347,0.2903091,0.002048304,0.0001039665,0.0007152309,0.0002522659,0.2472211],"genre_scores_gemma":[0.924612,0.01341346,0.03404877,0.006164397,0.0005564282,0.00005616757,0.0001127817,0.0002706074,0.02076539],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01759083,"threshold_uncertainty_score":0.09303033,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03538840184347883,"score_gpt":0.2186925437459134,"score_spread":0.1833041419024345,"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."}}