{"id":"W1988744593","doi":"10.1016/j.quascirev.2014.09.032","title":"A reassessment of the impact of drought cycles on the Classic Maya","year":2014,"lang":"en","type":"article","venue":"Quaternary Science Reviews","topic":"Archaeology and ancient environmental studies","field":"Earth and Planetary Sciences","cited_by":16,"is_retracted":false,"has_abstract":false,"ca_institutions":"Simon Fraser University","funders":"British Columbia Knowledge Development Fund; National Oceanic and Atmospheric Administration; Simon Fraser University; Canada Research Chairs; Canada Foundation for Innovation; Western Canada Research Grid","keywords":"Maya; Archaeology; Geology; Geography; Physical geography","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.00150379,0.0001026779,0.0002082679,0.00002713478,0.0002991215,0.000006189476,0.0007087555,0.00001638132,0.0003685615],"category_scores_gemma":[0.00009437541,0.0000378803,0.0001506923,0.0002886832,0.001881508,0.0001104839,0.00007416892,0.00008687229,0.0001032905],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000008954292,"about_ca_system_score_gemma":0.00003034102,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0005258693,"about_ca_topic_score_gemma":0.00007027843,"domain_scores_codex":[0.998805,0.0002322355,0.0002528634,0.0001867227,0.000311164,0.0002120121],"domain_scores_gemma":[0.9992157,0.0001471861,0.0002382402,0.0003478012,0.000008394022,0.00004273113],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.000006303551,0.00001862746,0.9163896,0.00001055889,0.000004983739,2.126055e-7,0.0001873964,0.0001468966,0.0002635458,0.000424653,0.0001800051,0.08236717],"study_design_scores_gemma":[0.00003984735,0.0002181085,0.9940977,0.00008443587,0.000005507328,0.000003216113,0.00003905371,0.001175591,0.0003934841,0.001248554,0.002644017,0.00005048669],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9897372,0.001480293,0.00003614843,0.0006655926,0.00012345,0.0002374569,0.000008608924,0.000003193939,0.007708027],"genre_scores_gemma":[0.9977536,0.00180801,0.00008865953,0.0001464856,0.00002134621,0.000001997711,9.102549e-7,9.895761e-7,0.0001780197],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.08231668,"threshold_uncertainty_score":0.6932493,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03260918506855755,"score_gpt":0.2836920310136618,"score_spread":0.2510828459451043,"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."}}