{"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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.00291892,0.0008047344,0.0007339281,0.002508579,0.0008382841,0.001832362,0.001719524,0.001384759,0.001105218],"category_scores_gemma":[0.01438711,0.0005836213,0.001181851,0.001094335,0.0007861999,0.002066658,0.001216223,0.001645232,0.0004726539],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001039056,"about_ca_system_score_gemma":0.001124195,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.007141173,"about_ca_topic_score_gemma":0.00832088,"domain_scores_codex":[0.9985808,0.0006849821,0.00007984189,0.0003688813,0.0001841938,0.000101296],"domain_scores_gemma":[0.9916469,0.006635258,0.0005239356,0.0004667229,0.0005508967,0.0001762897],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.0002313315,0.0003288764,0.01899947,0.000272107,0.0002630362,0.0002128392,0.002306684,0.7774522,0.006588739,0.02718918,0.0032223,0.1629332],"study_design_scores_gemma":[0.000005471828,0.000007160832,0.0008808726,0.000007055947,0.000005468385,0.0000119188,0.00005944042,0.9891544,0.0002599598,0.008977208,0.000624461,0.000006502786],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.07380886,0.0003780207,0.9230163,0.0003517138,0.00003859522,0.0001743128,0.0004978121,0.0006930243,0.00104135],"genre_scores_gemma":[0.7419477,0.0004123016,0.2513757,0.00009764899,0.0001912327,0.000647856,0.002280351,0.0002847492,0.002762358],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.007141173,"threshold_uncertainty_score":0.01543689,"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."}}