{"id":"W4246025795","doi":"10.1007/978-1-4939-7131-2_100127","title":"Collaborative Filtering Using Social Data","year":2018,"lang":"en","type":"book-chapter","venue":"","topic":"Recommender Systems and Techniques","field":"Computer Science","cited_by":0,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Calgary","funders":"","keywords":"Collaborative filtering; Computer science; Data science; Information retrieval; Recommender system","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":[0.003038263,0.00140398,0.001810915,0.003094862,0.001136392,0.003826817,0.001819604,0.002000954,0.01006535],"category_scores_gemma":[0.00834163,0.0008744748,0.001399624,0.00476386,0.0009361294,0.006014287,0.001911532,0.002258461,0.007790058],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0008302306,"about_ca_system_score_gemma":0.0008151465,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001943259,"about_ca_topic_score_gemma":0.002456304,"domain_scores_codex":[0.9972571,0.000769663,0.0001542403,0.0005566078,0.001173224,0.00008924343],"domain_scores_gemma":[0.99494,0.002961593,0.0001316827,0.001252858,0.0006235174,0.00009041147],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.00005798999,0.0001136802,0.0005425313,0.0008138404,0.0002356146,0.00007214473,0.000272639,0.009701245,0.002643587,0.1483936,0.04796016,0.7891929],"study_design_scores_gemma":[0.00004037285,0.0001331764,0.001283534,0.0004610594,0.000235642,0.0007876575,0.0001681619,0.2473744,0.00809737,0.3663183,0.3749344,0.0001660741],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"methods","genre_gemma":"methods","genre_scores_codex":[0.002978594,0.01638365,0.9385363,0.001528715,0.001194048,0.0001324907,0.0003395977,0.001136109,0.03777047],"genre_scores_gemma":[0.1111421,0.02744297,0.7195119,0.0008378042,0.00318314,0.0003627161,0.002067438,0.0006559359,0.134796],"genre_candidate":"methods","genre_consensus":"methods","teacher_disagreement_score":0.01006535,"threshold_uncertainty_score":0.03367192,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1336072274606026,"score_gpt":0.3307012787071353,"score_spread":0.1970940512465327,"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."}}