{"id":"W2025690896","doi":"10.1353/lag.2005.0001","title":"Pollen evidence of the earliest maize agriculture in Costa Rica","year":2004,"lang":"en","type":"article","venue":"Journal of Latin American geography","topic":"Archaeology and ancient environmental studies","field":"Earth and Planetary Sciences","cited_by":34,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Andrew W. Mellon Foundation; National Geographic Society; National Science Foundation","keywords":"Macrofossil; Radiocarbon dating; Domestication; Archaeology; Pollen; Zea mays; Accelerator mass spectrometry; Geography; Botany; Biology; Agronomy; Ecology","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0005357797,0.0001962906,0.0002083202,0.001223575,0.0008290692,0.0007112141,0.0003963947,0.0003641314,0.0009274583],"category_scores_gemma":[0.00125359,0.0001649607,0.000136048,0.001538529,0.0007012585,0.0002371208,0.0007124449,0.0003013237,0.0002113789],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001091271,"about_ca_system_score_gemma":0.0003566093,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.04171341,"about_ca_topic_score_gemma":0.07877137,"domain_scores_codex":[0.9997767,0.00005749485,0.00001707814,0.00004484122,0.00006089566,0.0000430179],"domain_scores_gemma":[0.9993237,0.000108414,0.000236779,0.0001139877,0.0001737799,0.00004321543],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0004742294,0.00006006824,0.7687604,0.0003118929,0.0001604453,0.001872818,0.01606834,0.0004660413,0.1446678,0.004124448,0.00111751,0.06191618],"study_design_scores_gemma":[0.000003953745,0.00001402865,0.9941276,0.00002319036,0.00001287804,0.0002093923,0.0006946207,0.00009435225,0.0008303585,0.00008776784,0.003897541,0.000004274341],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9896116,0.001157369,0.0001911027,0.0001602297,0.000004680363,0.000008197859,0.0002235814,0.00001224902,0.008630985],"genre_scores_gemma":[0.9985251,0.0005322204,0.0002816841,0.00003876011,0.000007497783,0.000004655133,0.000171152,0.000006615622,0.0004324982],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.04171341,"threshold_uncertainty_score":0.08294123,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.008770077683713287,"score_gpt":0.2018274157890646,"score_spread":0.1930573381053513,"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."}}