{"id":"W2070267482","doi":"10.2307/1593795","title":"The Vacant Quarter Revisited: Late Mississippian Abandonment of the Lower Ohio Valley","year":2002,"lang":"en","type":"article","venue":"American Antiquity","topic":"Archaeology and ancient environmental studies","field":"Earth and Planetary Sciences","cited_by":101,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Abandonment (legal); Quarter (Canadian coin); Archaeology; Radiocarbon dating; Woodland; Period (music); Geography; History; 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":"codex-gemma-dda1882f352a","candidate_categories":["insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.0001954557,0.0001072353,0.0001584264,0.00001041429,0.0005119091,0.000007922816,0.0002960319,0.00001897411,0.001476503],"category_scores_gemma":[0.00001860825,0.00005220121,0.00009918201,0.0001420366,0.001483675,0.00004266622,0.00006054034,0.0001239562,0.0001711632],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00000419759,"about_ca_system_score_gemma":0.000003915122,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0004857273,"about_ca_topic_score_gemma":0.0004643128,"domain_scores_codex":[0.9990504,0.000119466,0.0001739064,0.0001757428,0.0002099862,0.0002704449],"domain_scores_gemma":[0.9994224,0.0001129658,0.0001463276,0.0002558117,0.000005948101,0.00005659517],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00002531404,0.00004586174,0.9373371,0.000004086069,0.00004333283,0.000004093523,0.0008185027,0.00004825517,0.00003699066,0.0000471714,0.004843259,0.05674605],"study_design_scores_gemma":[0.00009011874,0.0001591202,0.9540695,0.00001015309,0.00001367326,0.000002983241,0.0002018901,0.0004102367,0.0000695742,0.00008189259,0.04481005,0.00008078813],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9794742,0.001339496,0.00001689282,0.004248821,0.0001568437,0.0001289869,0.00002452733,0.00001183451,0.01459837],"genre_scores_gemma":[0.994863,0.001808214,0.00004738069,0.0007143504,0.00003067779,7.935598e-7,0.000001906741,0.000001932634,0.002531731],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.05666526,"threshold_uncertainty_score":0.9994363,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.00946168531055437,"score_gpt":0.1942763839956002,"score_spread":0.1848146986850459,"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."}}