{"id":"W2397204095","doi":"10.1007/978-1-4939-7131-2_101201","title":"Social Recommender Systems","year":2018,"lang":"en","type":"book-chapter","venue":"","topic":"Recommender Systems and Techniques","field":"Computer Science","cited_by":71,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Calgary","funders":"","keywords":"Recommender system; Computer science; World Wide Web; Information retrieval","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":[0.001010977,0.0009739185,0.0008172024,0.001496898,0.001033789,0.003051709,0.001152332,0.001592591,0.04087758],"category_scores_gemma":[0.002969224,0.000457445,0.0005503676,0.002702955,0.0007019931,0.004537182,0.001574875,0.001940274,0.03130152],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0008405693,"about_ca_system_score_gemma":0.0008898019,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001247885,"about_ca_topic_score_gemma":0.002710131,"domain_scores_codex":[0.9992478,0.0001891986,0.00002969525,0.0001375557,0.0003534184,0.00004225625],"domain_scores_gemma":[0.999121,0.0003890677,0.00002883715,0.0001960438,0.0002053554,0.00005969478],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.0000167524,0.00006646504,0.0001872618,0.0005258563,0.0000382024,0.00004289653,0.0002334938,0.001185253,0.0008240353,0.1407951,0.2244926,0.6315921],"study_design_scores_gemma":[0.00000720759,0.00003259815,0.0002953446,0.0002387391,0.00002379593,0.0001972446,0.0001036628,0.005040638,0.0005490598,0.08479139,0.9086966,0.00002381007],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"other","genre_gemma":"other","genre_scores_codex":[0.004582622,0.08274012,0.2108187,0.008082031,0.006271269,0.0002678727,0.0007192894,0.00201023,0.6845078],"genre_scores_gemma":[0.04707985,0.06040732,0.1054613,0.002009525,0.00417534,0.0002845974,0.001665141,0.0005637571,0.7783531],"genre_candidate":"other","genre_consensus":"other","teacher_disagreement_score":0.04087758,"threshold_uncertainty_score":0.1367491,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0614956732316402,"score_gpt":0.2773234057033098,"score_spread":0.2158277324716696,"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."}}