{"id":"W3194730801","doi":"10.4230/lipics.esa.2021.65","title":"The Visibility Center of a Simple Polygon","year":2021,"lang":"en","type":"preprint","venue":"DROPS (Schloss Dagstuhl – Leibniz Center for Informatics)","topic":"Computational Geometry and Mesh Generation","field":"Computer Science","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Waterloo","funders":"","keywords":"Simple polygon; Visibility polygon; Visibility; Polygon (computer graphics); Geodesic; Center (category theory); Combinatorics; Star-shaped polygon; Polygon covering; Mathematics; Point (geometry); Set (abstract data type); Rectilinear polygon; Point in polygon; Polygon mesh; Geometry; Computer science; Regular polygon; Physics; Convex set; Optics","routes":{"ca_aff":true,"ca_fund":false,"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":[0.0002293759,0.0005004503,0.0006103462,0.0009586812,0.0005657608,0.001403821,0.0009216079,0.0006108487,0.003874629],"category_scores_gemma":[0.002528624,0.0005092089,0.0005746533,0.0008594045,0.001300307,0.002041356,0.002360778,0.0008950543,0.0008931588],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004263572,"about_ca_system_score_gemma":0.0006789892,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00175007,"about_ca_topic_score_gemma":0.0009657085,"domain_scores_codex":[0.9995483,0.00005744922,0.00002656692,0.0001286612,0.0001682287,0.0000708052],"domain_scores_gemma":[0.9993394,0.000226355,0.0001271586,0.0001379242,0.0001025509,0.00006658062],"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":[0.0007754302,0.000124223,0.005081297,0.0006322172,0.00009285416,0.001132158,0.001079624,0.1690905,0.09420551,0.359853,0.009949901,0.3579833],"study_design_scores_gemma":[0.0001157528,0.0002814168,0.002394301,0.0001170072,0.00005116864,0.001303125,0.0004980672,0.6405978,0.06910501,0.235257,0.05017718,0.0001021698],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.1049086,0.0004114871,0.8808168,0.0002202864,0.00008955018,0.0001220758,0.0005554772,0.0008013791,0.01207446],"genre_scores_gemma":[0.5554221,0.0004360378,0.4376551,0.0000495874,0.00004756947,0.0001088565,0.001063081,0.0004062698,0.00481146],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.003874629,"threshold_uncertainty_score":0.01296192,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01731821448816483,"score_gpt":0.2775254331469206,"score_spread":0.2602072186587558,"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."}}