{"meta":{"page":1,"per_page":50,"max_per_page":100,"total":1,"total_is_capped":false,"direct_labels_cover":0,"predictions_cover":1,"direct_label_status":"direct model label, unvalidated","prediction_status":"machine_predicted_unvalidated (Codex and Gemma teacher distillation)","score_status":"score_only:v0-immature-baseline (scores rank; they never assert a category)","snapshot":{"source":"OpenAlex, pinned release, all 482 partitions","release":"2026-06-24","frame_built":"2026-07-12","author_layer_release":"2026-06-26"},"query_hash":"9c4de2c2fb01","filters":{"venue":"Swine health and production"}},"results":[{"id":"W2117397859","doi":"","title":"Measuring ammonia concentrations in the barn using the Draeger™ and pHydrion™ tests","year":2000,"lang":"en","type":"article","venue":"Swine health and production","topic":"Odor and Emission Control Technologies","field":"Chemical Engineering","cited_by":9,"is_retracted":false,"has_abstract":true,"routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false},"ca_institutions":"University of Guelph","funders":"","keywords":"Barn; Ammonia; Environmental science; Chemistry; Animal science; Engineering; Biology; Biochemistry; Civil engineering","authors":[{"name":"Catherine E. Dewey","is_ca":true},{"name":"B. A. Cox","is_ca":false},{"name":"JoAnna K. Leyenaar","is_ca":false}],"retraction":null,"screen_n_in":null,"score":{"opus":0.04733913652054982,"gpt":0.2844847214184367,"spread":0.2371455848978869,"validation_status":"score_only:v0-immature-baseline"},"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.004084096,0.0005596821,0.0004836681,0.0006792322,0.0004522365,0.0008344519,0.000528074,0.0007371285,0.002531742],"category_scores_gemma":[0.02048096,0.0004062957,0.0004969721,0.001000008,0.0008605406,0.0006526738,0.0007188,0.0005737495,0.002338301],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004928128,"about_ca_system_score_gemma":0.0006433176,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002969015,"about_ca_topic_score_gemma":0.007093197,"domain_scores_codex":[0.9915698,0.002096851,0.0005083371,0.001719555,0.003645277,0.0004602743],"domain_scores_gemma":[0.9834484,0.006573394,0.002862558,0.001120209,0.005597209,0.0003982149],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.002000531,0.0006885055,0.6275759,0.0003963244,0.0009396084,0.0001814541,0.001016772,0.002124974,0.2185638,0.0008721406,0.003116185,0.1425239],"study_design_scores_gemma":[0.00008198085,0.002887092,0.8696594,0.00012486,0.0003973524,0.0009517454,0.000737142,0.009511534,0.1044044,0.001479682,0.00961813,0.0001467318],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9288399,0.001096475,0.0410083,0.0002701182,0.0007630946,0.0004353438,0.0009101376,0.0004216772,0.02625486],"genre_scores_gemma":[0.9745108,0.000317833,0.01782978,0.0003750027,0.00007329425,0.0002390425,0.0007025673,0.00005669344,0.005894801],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.004084096,"threshold_uncertainty_score":0.02159899,"prediction_status":"machine_predicted_unvalidated"},"labels":[],"label_agreement":null}]}