{"id":"W604098638","doi":"","title":"SECOND TRAIN WARNING AT GRADE CROSSINGS: THE CANADIAN EXPERIENCE","year":2004,"lang":"en","type":"article","venue":"ITE 2004 Annual Meeting and ExhibitInstitute of Transportation Engineers (ITE)","topic":"Transportation Safety and Impact Analysis","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Transport engineering; Procurement; Pedestrian; Warning system; Software deployment; Hazard; Engineering; Track (disk drive); Damages; Test (biology); Telecommunications; Business","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":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.000244809,0.0002884756,0.0002952765,0.0002468996,0.0004674425,0.00005809513,0.0001473748,0.0001476981,0.00006405146],"category_scores_gemma":[0.00002461881,0.0002672017,0.0001443739,0.0004959695,0.0002208748,0.0004939837,0.000001695993,0.0002416516,0.000005742366],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001476777,"about_ca_system_score_gemma":0.000128541,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.008027444,"about_ca_topic_score_gemma":0.1358782,"domain_scores_codex":[0.9984079,0.00001341532,0.0005694117,0.0002552126,0.0002962933,0.0004577938],"domain_scores_gemma":[0.9992896,0.00004855618,0.0000942914,0.0001701585,0.00010181,0.0002955981],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"observational","study_design_scores_codex":[0.00001581692,0.00001507806,0.002565483,0.0001674433,0.00009306306,0.0000319103,0.06886058,0.9218286,0.004892347,0.0007032558,0.00009505131,0.0007313729],"study_design_scores_gemma":[0.01153018,0.0003721078,0.5259498,0.00303194,0.001198046,0.0001613262,0.05120847,0.01417013,0.1498533,0.0005049366,0.2367634,0.00525632],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9912916,0.0008565869,0.004894848,0.0002954216,0.0002382138,0.0001637436,0.0005096818,0.0001941055,0.001555842],"genre_scores_gemma":[0.9980139,0.00009904855,0.001250644,0.0001229339,0.00006876321,0.00001577904,0.0002628733,0.00003834949,0.0001277802],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.9076585,"threshold_uncertainty_score":0.999978,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.00704870133442363,"score_gpt":0.2066523044839028,"score_spread":0.1996036031494792,"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."}}