{"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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002557915,0.0001775983,0.00007437451,0.0001730951,0.002039662,0.002582195,0.0002347154,0.0007236466,0.03662222],"category_scores_gemma":[0.000496509,0.0001105783,0.00008767757,0.0002414185,0.0008712047,0.001149032,0.0008231618,0.0007702958,0.006317127],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.002488784,"about_ca_system_score_gemma":0.006114719,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.08988903,"about_ca_topic_score_gemma":0.3011872,"domain_scores_codex":[0.9997389,0.00002709574,0.000008670135,0.00003164189,0.000101672,0.00009206406],"domain_scores_gemma":[0.9995635,0.00002017113,0.00002009396,0.00002126116,0.0001619023,0.0002129886],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"not_applicable","study_design_gemma":"not_applicable","study_design_scores_codex":[0.00005728125,0.00007890871,0.0160973,0.0001034254,0.000005094595,0.0002858234,0.001603576,0.000353575,0.002924993,0.02739608,0.7644246,0.1866693],"study_design_scores_gemma":[0.00000472497,0.00003697224,0.01450348,0.00003846841,0.000002749477,0.0001274945,0.003579071,0.00007244788,0.0007070986,0.0007134363,0.980204,0.00001001017],"study_design_candidate":"not_applicable","study_design_consensus":"not_applicable","genre_codex":"other","genre_gemma":"empirical","genre_scores_codex":[0.09219646,0.001681042,0.004596002,0.07760139,0.007263565,0.00006270931,0.0008028896,0.0009595008,0.8148365],"genre_scores_gemma":[0.248614,0.001806258,0.005023741,0.004840138,0.0004781499,0.00002955083,0.000779011,0.0001455003,0.7382838],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.08988903,"threshold_uncertainty_score":0.1787317,"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."}}