{"id":"W2005370313","doi":"10.1086/508650","title":"Quasars: What Turns Them Off?","year":2006,"lang":"en","type":"article","venue":"The Astrophysical Journal","topic":"Galaxies: Formation, Evolution, Phenomena","field":"Physics and Astronomy","cited_by":72,"is_retracted":false,"has_abstract":true,"ca_institutions":"McMaster University; Canadian Institute for Theoretical Astrophysics; Queen's University","funders":"","keywords":"Quasar; Astrophysics; Physics; Redshift; Galaxy; Luminosity function; Luminosity; Astronomy; Halo; Galaxy formation and evolution; Dark matter; OVV quasar","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":[0.00009348505,0.0001919961,0.0001609868,0.0002842241,0.0002046356,0.0009116633,0.0003062267,0.0003681733,0.008619565],"category_scores_gemma":[0.0006292531,0.00006956315,0.0002150095,0.0002610892,0.0004889118,0.0007145113,0.0003022585,0.0003348677,0.001305364],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002835379,"about_ca_system_score_gemma":0.0001124343,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003645249,"about_ca_topic_score_gemma":0.004129873,"domain_scores_codex":[0.9999586,0.00000739314,0.000001367223,0.000008848717,0.000011709,0.00001207563],"domain_scores_gemma":[0.9999028,0.0000249811,0.00002461408,0.00001096974,0.00001282308,0.00002381386],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"not_applicable","study_design_scores_codex":[0.0004153164,0.0001251101,0.1044542,0.0005622533,0.0001484153,0.002140958,0.001811655,0.03791409,0.01143352,0.3494831,0.1556463,0.335865],"study_design_scores_gemma":[0.0001468674,0.0003460392,0.1780699,0.0002737994,0.0001059619,0.001996563,0.002023999,0.04931733,0.005402431,0.3963573,0.3658741,0.00008585345],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.7142088,0.02631432,0.03385911,0.03535162,0.00400125,0.00005834852,0.003604422,0.002532045,0.18007],"genre_scores_gemma":[0.9739811,0.003109081,0.003212011,0.002862262,0.0004557262,0.00001123628,0.0003881686,0.0001351756,0.01584535],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.008619565,"threshold_uncertainty_score":0.02883536,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.008477732845067091,"score_gpt":0.206359202571096,"score_spread":0.1978814697260289,"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."}}