{"id":"W4416007844","doi":"10.59962/9780774871037-009","title":"The Use of COVID-19 Exposure Notifcation Apps in Canada","year":2025,"lang":"","type":"book-chapter","venue":"University of British Columbia Press eBooks","topic":"COVID-19 Digital Contact Tracing","field":"Computer Science","cited_by":0,"is_retracted":false,"has_abstract":false,"ca_institutions":"","funders":"","keywords":"Government (linguistics); Data collection; The Internet; Work (physics); Quality (philosophy)","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.0003850416,0.0003159029,0.0008520631,0.0001601681,0.0005623426,0.0007402066,0.002614421,0.0003413477,0.0000420622],"category_scores_gemma":[0.0003588303,0.0006890988,0.0002957425,0.00009171417,0.0006131667,0.0006335188,0.001665223,0.0006543625,6.782043e-7],"about_ca_system_candidate":true,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.002240217,"about_ca_system_score_gemma":0.01368708,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9990962,"about_ca_topic_score_gemma":0.9998651,"domain_scores_codex":[0.9962523,0.0002089302,0.0009180813,0.001055833,0.001014673,0.0005502026],"domain_scores_gemma":[0.9944164,0.002094245,0.001052377,0.00137863,0.0007089685,0.0003493866],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"not_applicable","study_design_scores_codex":[0.0003488483,0.0001606242,0.005579376,0.003878908,0.0007366485,0.002938863,0.00292695,0.003947131,0.00003314902,0.03675761,0.03245576,0.9102361],"study_design_scores_gemma":[0.002167728,0.0001654547,0.007268102,0.003995576,0.0001941223,0.00004097588,0.0003920718,0.007121357,0.00001476759,0.0009839699,0.9766312,0.001024725],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"other","genre_gemma":"empirical","genre_scores_codex":[0.07971024,0.007738774,0.1098413,0.002297823,0.007050829,0.01894378,0.01662808,0.0006090701,0.7571801],"genre_scores_gemma":[0.6057275,0.0007532347,0.0007660947,0.0004976614,0.00002641363,0.000002474713,0.00003042616,0.00003618041,0.39216],"genre_candidate":"other","genre_consensus":null,"teacher_disagreement_score":0.9441754,"threshold_uncertainty_score":0.999556,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0379500729553054,"score_gpt":0.197792222860339,"score_spread":0.1598421499050336,"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."}}