{"id":"W3146635135","doi":"","title":"Chemical Composition of Organic Aerosols and the Origin of Organic Particulate Matter in Southern Ontario Air","year":2001,"lang":"en","type":"article","venue":"AGU Fall Meeting Abstracts","topic":"Vehicle emissions and performance","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":false,"ca_institutions":"","funders":"","keywords":"Particulates; Environmental chemistry; Chemical composition; Organic matter; Environmental science; Composition (language); Aerosol; Particulate organic matter; Chemistry","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":[0.0001450854,0.0002185803,0.0001513938,0.001110767,0.002221665,0.000913986,0.0002873172,0.0002362576,0.001330488],"category_scores_gemma":[0.0002909634,0.0002380791,0.0001569159,0.001027144,0.0005686388,0.0002411378,0.000316042,0.0001728143,0.00022261],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.009566789,"about_ca_system_score_gemma":0.006020468,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9656858,"about_ca_topic_score_gemma":0.9824766,"domain_scores_codex":[0.9997979,0.000008107476,0.000008296471,0.00003435258,0.00009598221,0.00005538504],"domain_scores_gemma":[0.9997899,0.00001584675,0.00003351087,0.000004373925,0.0001168638,0.00003943585],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0003907422,0.0000527029,0.9377612,0.0001352273,0.00006599646,0.0004516113,0.00286043,0.0006857931,0.04871282,0.0003443898,0.0006249824,0.007914043],"study_design_scores_gemma":[0.000005047719,0.00001918404,0.9963447,0.000005481787,0.00001153557,0.00002415748,0.0009980726,0.0002045493,0.001115152,0.0000283299,0.001239302,0.000004405736],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9959259,0.000238545,0.00005280914,0.00003649129,0.000003554981,0.00001675035,0.0004893902,0.000003170837,0.003233453],"genre_scores_gemma":[0.9969325,0.0002324183,0.0000874452,0.00002052696,0.000002840486,0.00000575032,0.0002960816,0.000002934134,0.002419588],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.03431416,"threshold_uncertainty_score":0.06941217,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.009044165895533387,"score_gpt":0.2035849145155423,"score_spread":0.1945407486200089,"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."}}