{"id":"W4413966151","doi":"10.70930/tac/ws68tanm","title":"Span, Cospan, and Other Double Categories","year":2012,"lang":"en","type":"article","venue":"Theory and applications of categories","topic":"Homotopy and Cohomology in Algebraic Topology","field":"Mathematics","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Span (engineering); Computer science; Structural engineering; Engineering","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":true,"about_ca":false,"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":[0.0004613595,0.0003564789,0.0003096711,0.002385147,0.001112766,0.001796973,0.000264013,0.0004235675,0.00345968],"category_scores_gemma":[0.0008743727,0.0001308252,0.0002573284,0.001120029,0.002340156,0.003178323,0.002897504,0.0005395627,0.0001977016],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0006554014,"about_ca_system_score_gemma":0.0002639762,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0006720322,"about_ca_topic_score_gemma":0.0005967677,"domain_scores_codex":[0.9996127,0.00004900791,0.00002386132,0.0001105089,0.0001082897,0.00009565798],"domain_scores_gemma":[0.9995348,0.00006876406,0.00008847679,0.00004665571,0.00007636245,0.0001848385],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.00004016673,0.00002221647,0.002518965,0.00005758756,0.000008488651,0.0003652525,0.0009286047,0.0005196771,0.00263722,0.9822928,0.0005342851,0.01007474],"study_design_scores_gemma":[0.00001098681,0.0001180615,0.006211372,0.00006639812,0.00002885571,0.001707746,0.002783302,0.005105855,0.003343299,0.9508355,0.02975497,0.00003370941],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8908691,0.001706699,0.04200526,0.0003727927,0.0001004267,0.00002159636,0.0001823602,0.0001489038,0.0645929],"genre_scores_gemma":[0.9914179,0.0002467576,0.002885808,0.00004713122,0.00004882259,0.00001520902,0.0000956925,0.00001490397,0.005227903],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.00345968,"threshold_uncertainty_score":0.01157385,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02415140068936489,"score_gpt":0.303089184319068,"score_spread":0.2789377836297031,"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."}}