{"id":"W2523508423","doi":"10.1017/rdc.2016.55","title":"First Status Report on Radiocarbon Sample Preparation Techniques at the A.E. Lalonde AMS Laboratory (Ottawa, Canada)","year":2016,"lang":"en","type":"article","venue":"Radiocarbon","topic":"Archaeology and ancient environmental studies","field":"Earth and Planetary Sciences","cited_by":124,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Ottawa","funders":"University of Alberta","keywords":"Radiocarbon dating; Accelerator mass spectrometry; Sample (material); Sample preparation; Environmental science; Archaeology; Chemistry; Geography; Chromatography","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0003239815,0.000181371,0.0001696632,0.00002970926,0.0005164651,0.000008240021,0.0001619051,0.00007234895,0.0004779329],"category_scores_gemma":[0.0001303189,0.0001001762,0.00004165155,0.0001123754,0.0003801014,0.00008614252,0.0000331926,0.0001025385,0.00003869678],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000136183,"about_ca_system_score_gemma":0.0001127808,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.1381513,"about_ca_topic_score_gemma":0.7721546,"domain_scores_codex":[0.9984731,0.00009943153,0.0002358078,0.0003766675,0.0003945089,0.0004204811],"domain_scores_gemma":[0.9989527,0.0004240698,0.0001336274,0.0003643998,0.00001190748,0.0001132936],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00008119941,0.00001156182,0.9826786,0.000005084737,0.00003212846,0.00007953423,0.0001331608,0.0001426072,0.0001566597,0.0001086827,0.01055006,0.006020762],"study_design_scores_gemma":[0.0001591898,0.0001983484,0.6367319,0.00002234182,0.00001393027,0.00002751037,0.00003536213,0.0001081884,0.004042312,0.0002660934,0.3582053,0.0001895546],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9817909,0.001452002,0.000104545,0.003351311,0.0004706512,0.0003501211,0.000275654,0.00008973659,0.01211508],"genre_scores_gemma":[0.9968245,0.0005407946,0.0001652311,0.0006006366,0.0001556526,0.00001225457,0.0000744225,0.000006561918,0.00161992],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.6340033,"threshold_uncertainty_score":0.8675878,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.005693826998656044,"score_gpt":0.1901978413781547,"score_spread":0.1845040143794986,"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."}}