{"id":"W2510572236","doi":"","title":"Optimizing Ceiling Systems and Lightweight Plenum Barriers to Achieve Ceiling Attenuation Class (CAC) Ratings of 40, 45 and 50","year":2016,"lang":"en","type":"article","venue":"Canadian acoustics","topic":"Noise Effects and Management","field":"Health Professions","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Plenum space; Ceiling (cloud); Attenuation; Acoustics; Noise control; Computer science; Silencer; Engineering; Structural engineering; Mechanical engineering; Noise reduction; Physics","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":true,"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":[0.0008617357,0.001416821,0.0004672356,0.0007183754,0.000359599,0.001059549,0.0005958407,0.0004253486,0.004402706],"category_scores_gemma":[0.002101442,0.0003155079,0.0005039191,0.0004169259,0.0002956494,0.0006240936,0.0007154912,0.000488619,0.00170421],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003995853,"about_ca_system_score_gemma":0.0007384726,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00281841,"about_ca_topic_score_gemma":0.007379536,"domain_scores_codex":[0.9991608,0.0001051873,0.00006390518,0.00009846123,0.0003703161,0.0002012881],"domain_scores_gemma":[0.9985044,0.00020045,0.0003286868,0.0001220597,0.00066846,0.0001759475],"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":[0.0008386509,0.0009157557,0.01857641,0.0008744742,0.00006640494,0.0005325226,0.0004369387,0.03056688,0.8431617,0.001163352,0.004178821,0.09868802],"study_design_scores_gemma":[0.0003525839,0.008796573,0.1847149,0.0002547615,0.0005089951,0.001072396,0.001158788,0.03307926,0.7318202,0.0007902948,0.03725205,0.0001991482],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.941671,0.0005096133,0.04057714,0.00008822242,0.0000919336,0.0004357214,0.0003583707,0.001009452,0.01525865],"genre_scores_gemma":[0.9501346,0.0002407108,0.04262366,0.00007722505,0.00001023524,0.0002279308,0.0004234183,0.0002513713,0.006010849],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.004402706,"threshold_uncertainty_score":0.01472849,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0196842200255744,"score_gpt":0.2977866594912033,"score_spread":0.2781024394656289,"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."}}