{"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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001971479,0.0003695731,0.0005149159,0.001411265,0.001438299,0.001531449,0.0006861718,0.001099304,0.004940214],"category_scores_gemma":[0.00682938,0.00065686,0.0007167687,0.0007476571,0.001259097,0.003381102,0.001697543,0.001366064,0.0003328825],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0009529378,"about_ca_system_score_gemma":0.000369951,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0001294972,"about_ca_topic_score_gemma":0.0000961653,"domain_scores_codex":[0.9989771,0.0003052988,0.00007269784,0.0002562014,0.0002627833,0.0001260176],"domain_scores_gemma":[0.995497,0.002717951,0.0004611606,0.0003809818,0.0006156827,0.0003272396],"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":[0.0003022905,0.00007065559,0.00390474,0.000149982,0.00002843132,0.0003240262,0.0005118333,0.003011781,0.01677249,0.9464887,0.001313441,0.02712159],"study_design_scores_gemma":[0.0001521773,0.0004008988,0.002847043,0.0001560084,0.00008024107,0.003142484,0.0007900296,0.08089259,0.02627322,0.8594093,0.02576246,0.00009358033],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.5449054,0.0007602468,0.4300984,0.001153267,0.0001263817,0.0001040784,0.000325287,0.0001353745,0.02239161],"genre_scores_gemma":[0.8914195,0.0002814846,0.101922,0.0002293645,0.0001059642,0.0001892506,0.000308827,0.00005102118,0.005492661],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.004940214,"threshold_uncertainty_score":0.01652664,"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."}}