{"id":"W4214840393","doi":"10.3390/quat5010015","title":"Macroscopic Chop Mark Identification on Archaeological Bone: An Experimental Study of Chipped Stone, Ground Stone, Copper, and Bronze Axe Heads on Bone","year":2022,"lang":"en","type":"article","venue":"Quaternary","topic":"Archaeology and ancient environmental studies","field":"Earth and Planetary Sciences","cited_by":19,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Manitoba","funders":"Social Sciences and Humanities Research Council of Canada; University of Manitoba","keywords":"Bronze; Archaeology; Geology; Assemblage (archaeology); Copper; Materials science; Metallurgy; 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":[0.0003122091,0.0001802042,0.0002495082,0.00008300526,0.0006640858,0.000009385718,0.0001887578,0.00003789076,0.0008397177],"category_scores_gemma":[0.000004940133,0.0001544026,0.00003509776,0.00008521989,0.0004780713,0.0001174893,0.0001637055,0.0002265387,0.0000457815],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00001747103,"about_ca_system_score_gemma":0.000005821843,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001794705,"about_ca_topic_score_gemma":0.0004997195,"domain_scores_codex":[0.9982362,0.0003243595,0.0002863511,0.0004744837,0.000408097,0.0002705134],"domain_scores_gemma":[0.9994814,0.00007532174,0.0001222212,0.0002246438,0.000003895356,0.0000924669],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0007651961,0.001277211,0.9877104,0.000007870628,0.00002914509,0.00008989109,0.004597916,0.0005961643,0.001544987,0.00004248605,0.00007013867,0.00326863],"study_design_scores_gemma":[0.0009055238,0.007817351,0.9830483,0.000005912846,0.00001300424,0.00003537981,0.006642163,0.0004961193,0.0005896922,0.0001586234,0.0001228476,0.0001650341],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9974158,0.001434737,0.000002684061,0.0001459742,0.0002973907,0.0004067053,0.0000658896,0.00002877109,0.0002020551],"genre_scores_gemma":[0.9989475,0.00007291298,0.00003239011,0.0002375411,0.00003784778,0.00002685434,0.0001051757,0.000005816427,0.000533936],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.00654014,"threshold_uncertainty_score":0.919432,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02282675864944817,"score_gpt":0.2646690781682634,"score_spread":0.2418423195188152,"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."}}