{"id":"W4396903688","doi":"10.1080/00934690.2024.2348854","title":"Models of Grinding Stone Manufacture, Use, and Discard from Tigrai, Ethiopia: Opportunities for Cultural Comparisons and Implications for Usewear Analysis","year":2024,"lang":"en","type":"article","venue":"Journal of Field Archaeology","topic":"Forensic Anthropology and Bioarchaeology Studies","field":"Arts and Humanities","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"Simon Fraser University","funders":"","keywords":"Grinding; Archaeology; Stone tool; Engineering; History; Mechanical engineering","routes":{"ca_aff":true,"ca_fund":false,"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":["sts"],"consensus_categories":[],"category_scores_codex":[0.000155686,0.0001116096,0.0004581086,0.000228945,0.0002125945,0.00002012782,0.00008232142,0.0001046679,0.00003096492],"category_scores_gemma":[0.00005602304,0.00007544953,0.0001799176,0.00002480942,0.005119266,0.0002009674,0.00008714705,0.0001973667,5.641754e-8],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000005977037,"about_ca_system_score_gemma":0.00002437997,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0007375177,"about_ca_topic_score_gemma":0.01530226,"domain_scores_codex":[0.9992804,0.0000415617,0.0003421935,0.000136847,0.00004324549,0.0001557362],"domain_scores_gemma":[0.9980497,0.001498529,0.0001559504,0.00007168545,0.000182283,0.0000418472],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.0001616991,0.0000186832,0.02586229,0.00006849462,0.002435049,0.000005440154,0.03385247,0.00001552699,0.00002082351,0.9294859,0.006671405,0.001402239],"study_design_scores_gemma":[0.001989909,0.003401731,0.06953248,0.0002254841,0.007224567,0.0001942078,0.1628942,0.002639243,0.000751287,0.6274565,0.1230241,0.0006662523],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9001998,0.004976872,0.01925053,0.07438852,0.0004424507,0.0001807256,0.000425413,0.00001312638,0.0001225572],"genre_scores_gemma":[0.9952138,0.001360809,0.00248876,0.0003238101,0.0002318032,0.00001122273,0.00002107496,0.000005651897,0.000343054],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3020293,"threshold_uncertainty_score":0.9975882,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1879494491409718,"score_gpt":0.3455909246903954,"score_spread":0.1576414755494236,"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."}}