{"id":"W4232167856","doi":"10.2139/ssrn.3929272","title":"Tracking Historical Sources of Polycyclic Aromatic Compounds (PACs) in Dated Lake Sediment Cores Near In-Situ Bitumen Operations of Cold Lake, Alberta","year":2021,"lang":"en","type":"article","venue":"SSRN Electronic Journal","topic":"Toxic Organic Pollutants Impact","field":"Environmental Science","cited_by":0,"is_retracted":false,"has_abstract":false,"ca_institutions":"Government of Alberta; University of Ottawa","funders":"","keywords":"Asphalt; Sediment; In situ; Archaeology; Geology; Paleolimnology; Environmental science; Geography; Paleontology; Meteorology","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":true,"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":[0.0001342084,0.0001776018,0.0001211196,0.001299492,0.0008959345,0.0007797371,0.0004347722,0.0002606314,0.0005996316],"category_scores_gemma":[0.0002471907,0.0001528134,0.00009044316,0.001769789,0.000305804,0.0002226574,0.0003932435,0.0001446299,0.0001207187],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.004538537,"about_ca_system_score_gemma":0.002711454,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.8289922,"about_ca_topic_score_gemma":0.9523998,"domain_scores_codex":[0.9998641,0.000004667541,0.000004655219,0.00002841533,0.00006791281,0.00003025705],"domain_scores_gemma":[0.9997388,0.00001525256,0.00004779555,0.000006172544,0.0001559635,0.00003602118],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001798715,0.00005043145,0.9582329,0.00005250943,0.00005934808,0.0002449165,0.001278268,0.00150175,0.02343036,0.0001994888,0.0006119007,0.0141582],"study_design_scores_gemma":[0.000002427428,0.00001273522,0.9958016,0.000006354021,0.00001292105,0.00002921389,0.000556524,0.0007471428,0.001579662,0.0000178897,0.001229726,0.000003891736],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9980404,0.0001056709,0.0001651007,0.0000182671,0.000002867198,0.000005258968,0.0006339167,0.000009670325,0.001018874],"genre_scores_gemma":[0.9972706,0.000140463,0.0003880919,0.00001117841,0.000002030967,0.000003588073,0.0006116589,0.000004425932,0.001567945],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1710078,"threshold_uncertainty_score":0.3440297,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.009246515062869769,"score_gpt":0.2257007487973379,"score_spread":0.2164542337344681,"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."}}