{"id":"W2140840069","doi":"10.1109/hicss.2011.259","title":"Is Happiness Contagious Online? A Case of Twitter and the 2010 Winter Olympics","year":2011,"lang":"en","type":"article","venue":"","topic":"Sentiment Analysis and Opinion Mining","field":"Computer Science","cited_by":91,"is_retracted":false,"has_abstract":true,"ca_institutions":"Dalhousie University","funders":"","keywords":"Happiness; Argumentative; Context (archaeology); Computer science; Sentiment analysis; Advertising; World Wide Web; Internet privacy; Social media; Psychology; Online community; Social psychology; Artificial intelligence; Political science; Business; Geography","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":[0.00224767,0.0002418025,0.000358397,0.001665552,0.004634982,0.002869546,0.0004177733,0.002352771,0.002618595],"category_scores_gemma":[0.007915233,0.0002268333,0.000367785,0.001950059,0.002593429,0.00378654,0.001772414,0.001565446,0.000283941],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001285192,"about_ca_system_score_gemma":0.0004621064,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01261571,"about_ca_topic_score_gemma":0.02038629,"domain_scores_codex":[0.9987077,0.0007700361,0.0000428802,0.0001009806,0.0001364663,0.0002419752],"domain_scores_gemma":[0.9922523,0.004977433,0.001547468,0.0002474592,0.0003556694,0.0006197603],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.001587625,0.0004779994,0.5334624,0.0004029864,0.0002424098,0.04030438,0.3064197,0.001045399,0.006421689,0.03689994,0.01493882,0.05779681],"study_design_scores_gemma":[0.00004860364,0.0002297644,0.4398468,0.0002687949,0.00014726,0.00627331,0.5016142,0.00557252,0.001454971,0.01107088,0.03335812,0.0001147665],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9793761,0.0004796632,0.000423528,0.009257254,0.00004867735,0.00001541156,0.00011095,0.000006774482,0.01028161],"genre_scores_gemma":[0.9981724,0.0003797568,0.0001842492,0.000410382,0.0001062863,0.00001344056,0.00005285799,0.000007300385,0.0006732437],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01261571,"threshold_uncertainty_score":0.02508456,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.06225041409590217,"score_gpt":0.2768234677374027,"score_spread":0.2145730536415006,"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."}}