{"id":"W4250997955","doi":"10.26434/chemrxiv-2021-2frpz","title":"Computational data analysis shows that key developments towards the periodic system occurred in the 1840s","year":2021,"lang":"en","type":"preprint","venue":"ChemRxiv","topic":"History and advancements in chemistry","field":"Chemistry","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Deutscher Akademischer Austauschdienst; Fundación para la promoción de la investigación y la tecnología","keywords":"Space (punctuation); Periodic system; Similarity (geometry); Quarter (Canadian coin); Period (music); Key (lock); Moment (physics); Computer science; Mathematics; Chemistry; History; Physics; Philosophy; Artificial intelligence; Mathematical analysis; Archaeology; Classical mechanics; Aesthetics","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":"metacan-v3-hybrid-931329e0061c","candidate_categories":["sts"],"consensus_categories":[],"category_scores_codex":[0.001986973,0.0006286007,0.0006089737,0.002021764,0.001129499,0.001820317,0.0008078172,0.0006255797,0.006394498],"category_scores_gemma":[0.01264896,0.0003318973,0.001046384,0.003004147,0.001233469,0.002400713,0.001215067,0.001798055,0.002041927],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001363207,"about_ca_system_score_gemma":0.0009883045,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01303575,"about_ca_topic_score_gemma":0.01569369,"domain_scores_codex":[0.99921,0.0001693739,0.00005630432,0.0002480104,0.0002461759,0.00007006718],"domain_scores_gemma":[0.9966266,0.001911735,0.0003853978,0.0004538682,0.0005346059,0.00008774779],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.0008086268,0.0002504404,0.3967808,0.001290266,0.000828957,0.0009869187,0.002839796,0.1655693,0.004186382,0.1067676,0.0481644,0.2715264],"study_design_scores_gemma":[0.0000990762,0.0003058209,0.3398931,0.0003890067,0.0003296489,0.000885903,0.002691415,0.2682847,0.007730725,0.1482528,0.2308607,0.0002770799],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8417701,0.004379812,0.08837049,0.004298393,0.0004727152,0.00009372325,0.02008932,0.001393597,0.03913187],"genre_scores_gemma":[0.9311948,0.001940418,0.04217642,0.0003637244,0.00007561395,0.00008244249,0.02085049,0.0003683728,0.002947691],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.9988705,"threshold_uncertainty_score":0.02591974,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0883646251065639,"score_gpt":0.3029731225076696,"score_spread":0.2146084974011057,"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."}}