{"id":"W3014431472","doi":"10.1016/j.jasrep.2020.102287","title":"The effects of heating ostrich eggshell on bead manufacturing: An experimental approach","year":2020,"lang":"en","type":"article","venue":"Journal of Archaeological Science Reports","topic":"Pleistocene-Era Hominins and Archaeology","field":"Social Sciences","cited_by":13,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Manitoba; University of Victoria","funders":"University of Victoria; Social Sciences and Humanities Research Council of Canada; Leakey Foundation; Wenner-Gren Foundation","keywords":"Bead; Assemblage (archaeology); Taphonomy; Eggshell; Breakage; Perforation; Materials science; Archaeology; Geology; Composite material; Paleontology; 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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.000409538,0.0005984266,0.0004186578,0.0002313668,0.0005394634,0.0005507693,0.0006078103,0.0007485517,0.006235223],"category_scores_gemma":[0.001178201,0.0005023333,0.0005729186,0.0001821871,0.001453108,0.0004408834,0.0007236911,0.001148995,0.000371896],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004943136,"about_ca_system_score_gemma":0.0004786024,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001313262,"about_ca_topic_score_gemma":0.001527969,"domain_scores_codex":[0.9995433,0.00008377452,0.00004694711,0.0001299769,0.0000803947,0.0001155523],"domain_scores_gemma":[0.9985655,0.0008299721,0.0001825479,0.0002494741,0.00007702742,0.00009544565],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.009985267,0.00414436,0.001279307,0.0001320002,0.0000319853,0.00008003296,0.0002951024,0.0003983284,0.9795059,0.0002506353,0.00003517984,0.003861877],"study_design_scores_gemma":[0.0006049828,0.03323291,0.01563987,0.00001595084,0.0001217961,0.00009114412,0.0003567608,0.001425748,0.9474374,0.0002445175,0.0007921538,0.00003668447],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9990866,0.00005196159,0.000391801,0.00001527343,0.00001176843,0.00006450587,0.00004681883,0.000004581282,0.0003265576],"genre_scores_gemma":[0.9951703,0.0001743577,0.001599618,0.00004104497,0.00001640451,0.0002374182,0.00007439134,0.00001720086,0.002669212],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.006235223,"threshold_uncertainty_score":0.02085888,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03371853323521352,"score_gpt":0.3192073328933583,"score_spread":0.2854887996581448,"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."}}