{"id":"W2058090918","doi":"10.1016/j.aca.2006.10.048","title":"Gas chromatography/mass spectrometry characterization of historical varnishes of ancient Italian lutes and violin","year":2006,"lang":"en","type":"article","venue":"Analytica Chimica Acta","topic":"Cultural Heritage Materials Analysis","field":"Arts and Humanities","cited_by":71,"is_retracted":false,"has_abstract":false,"ca_institutions":"Musée de la Civilisation","funders":"","keywords":"Chemistry; Characterization (materials science); Mass spectrometry; Violin; Chromatography; Nanotechnology; Art history; Art","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":[0.0001623116,0.0002755935,0.0001553539,0.001536832,0.000922406,0.0004636242,0.0002431394,0.0005620102,0.001507967],"category_scores_gemma":[0.0001836908,0.0001217099,0.0002023952,0.0005820148,0.0004335796,0.0002322593,0.0002682193,0.0003742675,0.0001985848],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002942072,"about_ca_system_score_gemma":0.0001684599,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00491292,"about_ca_topic_score_gemma":0.007452876,"domain_scores_codex":[0.9999034,0.000008541829,0.000003111944,0.00003308387,0.00003047573,0.0000213418],"domain_scores_gemma":[0.999945,0.00001395449,0.00001181732,0.000005546855,0.00001463155,0.000009017235],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.000375256,0.0000455805,0.02805645,0.00009400387,0.00003461416,0.0005106071,0.001016502,0.0002004978,0.9544799,0.0002686615,0.0002196377,0.01469828],"study_design_scores_gemma":[0.00001830129,0.0003787927,0.6136183,0.00006721734,0.0001600809,0.002333921,0.002820445,0.002721185,0.3557428,0.0004507776,0.02164106,0.00004696363],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9962279,0.0006027931,0.0008246075,0.00004283488,0.00001402156,0.000005960266,0.0001934705,0.00002421369,0.002064114],"genre_scores_gemma":[0.996922,0.000251441,0.000783563,0.00004132928,0.00001098209,0.000003301157,0.000134883,0.00001779433,0.00183478],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.00491292,"threshold_uncertainty_score":0.009768605,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01257203128209318,"score_gpt":0.1930321673157906,"score_spread":0.1804601360336974,"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."}}