{"id":"W627864943","doi":"","title":"It's All About Height: Tunnel and Trackwork Along NS' Heartland Corridor Will Allow a Direct Route Between Chicago and Norfolk, Va., for Auto Racks and Double-Stack Freight Cars","year":2006,"lang":"en","type":"article","venue":"Railway track and structures","topic":"Transport and Economic Policies","field":"Business, Management and Accounting","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Engineering; Train; Stack (abstract data type); Excavation; Transport engineering; Quarter (Canadian coin); Rail freight transport; Civil engineering; Computer science; Geography; Archaeology; Geotechnical engineering","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":[0.000208077,0.0005023712,0.0007286704,0.0001882287,0.000500462,0.0007117632,0.0001399155,0.000242601,0.00003936484],"category_scores_gemma":[0.00001108676,0.0004206219,0.0001069955,0.0001058739,0.0002735043,0.001034134,0.00006642898,0.0002141504,0.000002077197],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00001442403,"about_ca_system_score_gemma":0.00001894823,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002997965,"about_ca_topic_score_gemma":0.006835906,"domain_scores_codex":[0.9980097,0.00001036325,0.0005233635,0.0006848305,0.0001455462,0.000626182],"domain_scores_gemma":[0.999312,0.000128841,0.0002021687,0.0002150752,0.00004924383,0.00009270407],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0004540975,0.00004260585,0.9761905,0.0007152254,0.0003107981,0.00002080053,0.001375861,0.0000908314,0.0003058189,0.005311401,0.006765519,0.008416556],"study_design_scores_gemma":[0.003209068,0.00003700928,0.8376307,0.00006396968,0.0003213514,0.0000162104,0.0001522069,0.0005875697,0.00007076425,0.005162633,0.1521827,0.0005658048],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9921573,0.002850011,0.00005184225,0.001423429,0.0002493446,0.0006028182,0.0001924519,0.0001156827,0.002357158],"genre_scores_gemma":[0.9962396,0.0003144681,0.0003560554,0.0007787242,0.001567134,0.00002961322,0.0002637873,0.00005943891,0.0003911523],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1454172,"threshold_uncertainty_score":0.9998246,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01452117140700288,"score_gpt":0.2178877255784017,"score_spread":0.2033665541713988,"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."}}