{"id":"W2139332235","doi":"10.1007/s00454-011-9352-x","title":"Improved Approximation for Guarding Simple Galleries from the Perimeter","year":2011,"lang":"en","type":"article","venue":"Discrete & Computational Geometry","topic":"Complexity and Algorithms in Graphs","field":"Computer Science","cited_by":46,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of British Columbia; McGill University","funders":"","keywords":"Combinatorics; Mathematics; Perimeter; Approximation algorithm; Polygon (computer graphics); Simple polygon; Binary logarithm; Guard (computer science); Time complexity; Dimension (graph theory); Simple (philosophy); Discrete mathematics; Algorithm; Regular polygon; Geometry; Computer science","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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002908167,0.0001750484,0.0001722409,0.0001098107,0.0004453528,0.0002402528,0.0008741896,0.00005176215,0.00007508951],"category_scores_gemma":[0.00009234768,0.0001349834,0.0001834063,0.0004682061,0.0001135667,0.0005413577,0.0002867473,0.0001222615,0.00001419168],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00002394634,"about_ca_system_score_gemma":0.00005006762,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0001220714,"about_ca_topic_score_gemma":0.000006374723,"domain_scores_codex":[0.9986798,0.00005697181,0.0002902365,0.0004157671,0.0002858432,0.0002714191],"domain_scores_gemma":[0.9986401,0.0006131877,0.0001364313,0.0003843599,0.0001644134,0.00006153269],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.0001442853,0.0002513768,0.005649996,0.00006248725,0.0004816877,0.000005147175,0.01280839,0.004022911,0.0006321333,0.8047321,0.003405285,0.1678042],"study_design_scores_gemma":[0.000385042,0.00008452735,0.02995975,0.000009253992,0.0000132601,0.000003513578,0.0002436043,0.6569326,0.0004379577,0.3098722,0.001824035,0.0002342692],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.02799734,0.000120724,0.9699818,0.0003234723,0.0003624152,0.0003221137,0.00008838413,0.0001386723,0.0006650144],"genre_scores_gemma":[0.6424993,0.000001302046,0.3567404,0.000397671,0.0001342771,0.00005265754,0.0001416,0.00001035411,0.00002245245],"genre_candidate":"methods","genre_consensus":null,"teacher_disagreement_score":0.6529096,"threshold_uncertainty_score":0.5504462,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04409133552517794,"score_gpt":0.2635143971703761,"score_spread":0.2194230616451982,"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."}}