{"id":"W1983345263","doi":"10.3141/1863-07","title":"Canadian National Railway Experience with 136-lb Thick Web Rail Switch Points","year":2004,"lang":"en","type":"article","venue":"Transportation Research Record Journal of the Transportation Research Board","topic":"Railway Engineering and Dynamics","field":"Engineering","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"Canadian Pacific Railway (Canada)","funders":"","keywords":"Section (typography); Point (geometry); Engineering; Structural engineering; Advertising; Business; Geometry; Mathematics","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["research_integrity"],"consensus_categories":[],"category_scores_codex":[0.002469658,0.0003101876,0.0003774153,0.001367945,0.0005312818,0.0001710122,0.001023949,0.0002267426,0.0001951309],"category_scores_gemma":[0.0001291183,0.0002394245,0.0002274059,0.002295305,0.0003814425,0.0007205891,0.000003392249,0.002532255,0.00004510592],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001184806,"about_ca_system_score_gemma":0.002173894,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.04375675,"about_ca_topic_score_gemma":0.5615056,"domain_scores_codex":[0.9934611,0.0002171014,0.0009732116,0.0003393737,0.003890275,0.001118908],"domain_scores_gemma":[0.9954368,0.0003517786,0.0001326065,0.0003907518,0.002921416,0.0007666228],"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":[0.0008277586,0.0002160199,0.105856,0.0004927496,0.0004173897,0.0005337704,0.01143249,0.8539367,0.007565221,0.01060224,0.005535092,0.002584506],"study_design_scores_gemma":[0.00549757,0.0008856917,0.9355907,0.001203978,0.00006050363,0.00001267814,0.00398699,0.007986709,0.003513729,0.006871203,0.03348147,0.0009088132],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9902895,0.0001711734,0.004198899,0.002980224,0.0005452153,0.0005917554,0.0001359945,0.00009220262,0.0009950168],"genre_scores_gemma":[0.995392,0.0005520931,0.003284326,0.00005348189,0.0001801578,0.00007311824,0.00002921982,0.00009608122,0.0003395424],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.84595,"threshold_uncertainty_score":0.999769,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03419412963176048,"score_gpt":0.3071803335041078,"score_spread":0.2729862038723473,"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."}}