{"id":"W1515925473","doi":"10.1016/j.regsciurbeco.2009.07.003","title":"The minimum circuity frontier and the journey to work","year":2009,"lang":"en","type":"article","venue":"Regional Science and Urban Economics","topic":"Urban Transport and Accessibility","field":"Social Sciences","cited_by":9,"is_retracted":false,"has_abstract":false,"ca_institutions":"McGill University","funders":"McGill University; University of Minnesota","keywords":"Destinations; Residence; Frontier; Work (physics); Metropolitan area; Selection (genetic algorithm); Geography; Economic geography; Transport engineering; Regional science; Computer science; Engineering; Demographic economics; Economics; Tourism; Artificial intelligence","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0007774442,0.0001402586,0.0003150922,0.0006135403,0.004873353,0.005856786,0.0007075728,0.001987046,0.02373388],"category_scores_gemma":[0.004871715,0.0001604448,0.0002656699,0.001032914,0.007400862,0.006346152,0.0030774,0.002490167,0.00120293],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00281076,"about_ca_system_score_gemma":0.002833081,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.007302038,"about_ca_topic_score_gemma":0.01144516,"domain_scores_codex":[0.9993542,0.0002642877,0.00001615352,0.00008510835,0.00006255892,0.0002176539],"domain_scores_gemma":[0.9985896,0.0006272424,0.00008404099,0.0001227895,0.0001998803,0.0003764443],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"observational","study_design_scores_codex":[0.00002368074,0.00001073121,0.000318027,0.00001379161,0.000001247565,0.00003368509,0.001265827,0.0003509719,0.00002965309,0.9895267,0.002532612,0.005892892],"study_design_scores_gemma":[0.000009281877,0.00001771015,0.0008013851,0.00005739973,0.000002209109,0.00007403833,0.003318552,0.0005815873,0.00003131576,0.9659165,0.02918402,0.000005959865],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"other","genre_gemma":"empirical","genre_scores_codex":[0.227216,0.00336672,0.0249581,0.04961491,0.0002271757,0.00003978733,0.0003996676,0.00005972017,0.694118],"genre_scores_gemma":[0.9780278,0.000803249,0.002750396,0.000338389,0.00003731106,0.00002617331,0.00006730347,0.0000323074,0.01791712],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.02373388,"threshold_uncertainty_score":0.07939774,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03235347733171719,"score_gpt":0.2768056619209053,"score_spread":0.2444521845891881,"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."}}