{"id":"W2008014647","doi":"10.1002/jcd.20006","title":"Existence question for difference families and construction of some new families","year":2004,"lang":"en","type":"article","venue":"Journal of Combinatorial Designs","topic":"graph theory and CDMA systems","field":"Engineering","cited_by":8,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Waterloo","funders":"Natural Sciences and Engineering Research Council of Canada","keywords":"Mathematics; Combinatorics; Discrete mathematics","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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002668023,0.0001025761,0.0002686524,0.0001350482,0.00003993862,0.00002201848,0.00009199255,0.00007691746,9.350505e-7],"category_scores_gemma":[0.00007875065,0.00009126794,0.0000741714,0.00009328095,0.00007741396,0.0002249701,0.000005974074,0.000101322,3.272261e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00003791499,"about_ca_system_score_gemma":0.00005756684,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00001328069,"about_ca_topic_score_gemma":0.00000109835,"domain_scores_codex":[0.9992808,0.0000362735,0.0003732173,0.00005878002,0.0001460802,0.0001049274],"domain_scores_gemma":[0.9994718,0.0001056496,0.000164003,0.00007128093,0.0001152867,0.00007194485],"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":[0.0001537364,0.00002825113,0.0003449424,0.0001713203,0.00005865027,0.000002313989,0.000630819,0.0007479993,0.04618615,0.9480353,0.00003484271,0.003605656],"study_design_scores_gemma":[0.002187322,0.0006292507,0.001727474,0.0003161184,0.00005287849,0.00007859746,0.0005289856,0.00009622167,0.04808722,0.9459671,0.0001964229,0.0001324097],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9541522,0.0008477768,0.04044946,0.00002391582,0.004270452,0.0001320184,0.00000348904,0.00002538215,0.00009536544],"genre_scores_gemma":[0.996035,0.0003624603,0.003256339,0.000003180213,0.0003214387,0.000002304342,4.503911e-7,0.0000103777,0.000008384013],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.04188292,"threshold_uncertainty_score":0.3721798,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01650254630098339,"score_gpt":0.2273513855587111,"score_spread":0.2108488392577277,"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."}}