{"id":"W4391543347","doi":"10.1080/03155986.2024.2303906","title":"The recommender problem with convex hulls","year":2024,"lang":"en","type":"article","venue":"INFOR Information Systems and Operational Research","topic":"Recommender Systems and Techniques","field":"Computer Science","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Hull; Convex hull; Recommender system; Computer science; Regular polygon; Combinatorics; Mathematical optimization; Artificial intelligence; Mathematics; Information retrieval; Engineering; Marine engineering; Geometry","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":[0.005002239,0.001472696,0.002965139,0.001585338,0.00128103,0.003432037,0.003858588,0.003181962,0.004376455],"category_scores_gemma":[0.01781133,0.001249878,0.002301813,0.00302409,0.002238694,0.005343398,0.003191406,0.004581178,0.001462658],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0018304,"about_ca_system_score_gemma":0.00179919,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0104592,"about_ca_topic_score_gemma":0.006228159,"domain_scores_codex":[0.9938447,0.002769324,0.0002588874,0.001086695,0.001694686,0.000345657],"domain_scores_gemma":[0.9870984,0.009135219,0.0007198562,0.001262688,0.001406735,0.0003769622],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.0001632685,0.0001727562,0.001671582,0.0003289455,0.0002118401,0.0003163245,0.0003276443,0.6494007,0.001029136,0.2459812,0.01428338,0.0861133],"study_design_scores_gemma":[0.00001995163,0.00004751606,0.0001825429,0.00002115037,0.00001565635,0.00007532281,0.00004336267,0.9339411,0.0002738789,0.06232806,0.00303066,0.00002087241],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.003192077,0.0003622514,0.9941406,0.0004039414,0.00006245705,0.00003979295,0.0001398333,0.00007492251,0.001584126],"genre_scores_gemma":[0.2214619,0.001829687,0.7631263,0.000516775,0.0007006991,0.0004242012,0.001566384,0.000170727,0.01020334],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.0104592,"threshold_uncertainty_score":0.02645475,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.05626835425289771,"score_gpt":0.3460890574276212,"score_spread":0.2898207031747235,"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."}}