{"id":"W3030208891","doi":"10.1186/s40494-020-00389-w","title":"Chemical-technological research and radiocarbon AMS dating of wall painting fragments from the ruins of the XIIth-XIIIth centuries AD church from archaeological excavations in the city of Smolensk, Russia","year":2020,"lang":"en","type":"article","venue":"Heritage Science","topic":"Cultural Heritage Materials Analysis","field":"Arts and Humanities","cited_by":13,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Radiocarbon dating; Painting; Archaeology; Excavation; Art; Quarter (Canadian coin); Ancient history; Period (music); History; Art history","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002150691,0.00025316,0.0001704547,0.00265251,0.0006660114,0.0005609532,0.0002080846,0.0001576789,0.001836444],"category_scores_gemma":[0.0001621651,0.0002258981,0.0002299014,0.002009652,0.0004641478,0.0001397221,0.0003116846,0.0001965927,0.0003534885],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002766307,"about_ca_system_score_gemma":0.0002039545,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.006214669,"about_ca_topic_score_gemma":0.02481599,"domain_scores_codex":[0.9998317,0.00001448624,0.00001022823,0.0000553451,0.00006723961,0.0000210142],"domain_scores_gemma":[0.9999313,0.000008350321,0.00002444098,0.000009981994,0.00002023115,0.000005640929],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.000462641,0.00008111348,0.579335,0.0007080503,0.000261215,0.0021628,0.01332832,0.001083735,0.2973824,0.000841011,0.0008125335,0.1035413],"study_design_scores_gemma":[0.000002083316,0.00003019927,0.987128,0.00002968478,0.00003535076,0.0004520463,0.001021863,0.0001260375,0.006768087,0.00002710031,0.004374893,0.000004579353],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9954665,0.0006263242,0.0005475738,0.000006423607,0.000005884972,0.000009903638,0.0004646135,0.000005351536,0.002867304],"genre_scores_gemma":[0.9943253,0.0005634069,0.001951219,0.00000558581,0.00000606393,0.00001561261,0.0005440586,0.00001425187,0.00257451],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.006214669,"threshold_uncertainty_score":0.012357,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1350978880415055,"score_gpt":0.289864238604255,"score_spread":0.1547663505627494,"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."}}