{"id":"W2054487404","doi":"10.1145/2723576.2723589","title":"Unsupervised modeling for understanding MOOC discussion forums","year":2015,"lang":"en","type":"article","venue":"","topic":"Online Learning and Analytics","field":"Computer Science","cited_by":131,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Athabasca University; North Carolina State University; Bill and Melinda Gates Foundation","keywords":"Asynchronous communication; Computer science; Cluster analysis; Online discussion; Data science; Collaborative learning; Massive open online course; Topic model; Unsupervised learning; World Wide Web; Artificial intelligence; Knowledge management","routes":{"ca_aff":false,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002928454,0.00007624704,0.00009305283,0.00006038689,0.0001079796,0.0001287851,0.0003171565,0.00003631339,0.000001733526],"category_scores_gemma":[0.00005855098,0.00004505166,0.00005491092,0.0001552202,0.000007882381,0.0002823526,0.0001059182,0.00006324793,0.00001136706],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00006818726,"about_ca_system_score_gemma":0.00006293195,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00001012794,"about_ca_topic_score_gemma":0.000006395594,"domain_scores_codex":[0.9992768,0.00001554587,0.0001238113,0.0002035867,0.0001658553,0.0002143747],"domain_scores_gemma":[0.9995449,0.00002917984,0.0000224884,0.0002252167,0.00005458364,0.0001235839],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.00001140052,0.00005625,0.0003600497,0.0000177182,0.00001557372,0.00000210566,0.001319381,0.1829432,0.0001006218,0.80344,0.002784826,0.008948897],"study_design_scores_gemma":[0.0003275647,0.00005146972,6.502766e-7,0.00001199444,0.000003068867,0.00000112442,0.0007659934,0.8197876,0.00001936633,0.1783885,0.0005596902,0.00008293764],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.001156324,0.00001439868,0.9803094,0.01639298,0.0001561265,0.00006883824,5.447466e-7,0.000188691,0.001712733],"genre_scores_gemma":[0.8574463,0.000001499778,0.1403543,0.0001899358,0.00007276781,0.000002659157,0.000003313763,0.000007476479,0.001921793],"genre_candidate":"methods","genre_consensus":null,"teacher_disagreement_score":0.8562899,"threshold_uncertainty_score":0.1837153,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1880088126749528,"score_gpt":0.3212109063473451,"score_spread":0.1332020936723923,"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."}}