{"id":"W3035007455","doi":"10.32866/001c.13207","title":"Identifying Unmarked Crosswalks at Bus Stops in Vancouver, Canada","year":2020,"lang":"en","type":"article","venue":"Findings","topic":"Urban Transport and Accessibility","field":"Social Sciences","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"Simon Fraser University","funders":"","keywords":"Schema crosswalk; Pedestrian; Intersection (aeronautics); Transport engineering; Pedestrian crossing; Transit (satellite); Geography; Computer science; Engineering; Public transport","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":["insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.0002651274,0.00008600551,0.0001450471,0.00002351947,0.0003734688,0.00005818878,0.0002874463,0.0000666722,0.001034186],"category_scores_gemma":[0.0001355936,0.00009190322,0.00003991816,0.0004235232,0.00009449424,0.0002364846,0.00004096271,0.0001515099,0.00001648284],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004610027,"about_ca_system_score_gemma":0.0004751461,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.762498,"about_ca_topic_score_gemma":0.9949394,"domain_scores_codex":[0.9987872,0.00003705266,0.0002028197,0.0002672402,0.0003642521,0.0003414916],"domain_scores_gemma":[0.9996173,0.00005604543,0.00004816398,0.00008551725,0.00002851919,0.0001644492],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00002203533,0.000009323307,0.9537045,0.00002148023,0.00000382083,0.00004369962,0.01102086,0.000002459256,0.0001622633,0.00008286588,0.03467544,0.0002512992],"study_design_scores_gemma":[0.0004571897,0.000008387892,0.7481838,0.00002701419,0.0000085354,5.723073e-8,0.002745474,0.00002218578,0.0005897625,0.0002873664,0.2474292,0.0002410259],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9875657,0.00007385861,0.00001418373,0.001124385,0.0008250355,0.0001299781,0.0000156263,0.00004180465,0.0102094],"genre_scores_gemma":[0.9940134,0.000006888819,0.00004279267,0.0006255119,0.0001165951,0.000004547772,0.000006432043,0.000007558367,0.005176265],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.2324414,"threshold_uncertainty_score":0.999879,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02974041450930889,"score_gpt":0.277970601375027,"score_spread":0.2482301868657181,"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."}}