{"id":"W2093388489","doi":"10.3141/1742-07","title":"Estimation of Investment in Track and Structures Needed to Handle 129 844-kg (286,000-lb) Railcars on Short-Line Railroads","year":2001,"lang":"en","type":"article","venue":"Transportation Research Record Journal of the Transportation Research Board","topic":"Transport and Economic Policies","field":"Business, Management and Accounting","cited_by":7,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Kansas Department of Transportation","keywords":"Revenue; Track (disk drive); Investment (military); Transport engineering; Line (geometry); Business; Engineering; Finance; Mathematics","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":[],"consensus_categories":[],"category_scores_codex":[0.002867148,0.000295246,0.0005901519,0.002222877,0.0003135296,0.000188641,0.0006881062,0.0001683955,0.0002990342],"category_scores_gemma":[0.0001379624,0.000235914,0.0002302149,0.002007552,0.0004059411,0.001146687,0.00001005346,0.001085133,0.00001847869],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001482602,"about_ca_system_score_gemma":0.0001661753,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.02463229,"about_ca_topic_score_gemma":0.05467721,"domain_scores_codex":[0.9953477,0.0001524041,0.001553415,0.0004063788,0.001767927,0.0007721612],"domain_scores_gemma":[0.9978519,0.0003389222,0.0003753486,0.0003678998,0.0009117729,0.0001541242],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.01022272,0.001034392,0.7516235,0.001231509,0.0003330355,0.0002273794,0.008391508,0.1096193,0.01072501,0.03166442,0.009373673,0.06555358],"study_design_scores_gemma":[0.001933525,0.0003482459,0.9723803,0.0004226027,0.00005263639,6.102043e-7,0.00224095,0.001353177,0.001781022,0.008436774,0.01080521,0.0002449564],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9933982,0.00008982783,0.0003690608,0.004170016,0.000310079,0.001021728,0.00003517124,0.0000231296,0.0005827665],"genre_scores_gemma":[0.9979603,0.0002901316,0.0006044281,0.0005002739,0.0002710303,0.00005166013,0.00003845226,0.00004950862,0.000234213],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.2207569,"threshold_uncertainty_score":0.9818628,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.09304381051178778,"score_gpt":0.353175691037113,"score_spread":0.2601318805253253,"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."}}