{"id":"W4388654130","doi":"10.1089/ast.2023.0042","title":"Is There Such a Thing as a Biosignature?","year":2023,"lang":"en","type":"review","venue":"Astrobiology","topic":"Planetary Science and Exploration","field":"Physics and Astronomy","cited_by":30,"is_retracted":false,"has_abstract":true,"ca_institutions":"McGill University; Université du Québec à Montréal","funders":"Nederlandse Organisatie voor Wetenschappelijk Onderzoek; Belgian Federal Science Policy Office; Canada Research Chairs; Fonds De La Recherche Scientifique - FNRS; Deutsche Forschungsgemeinschaft; European Commission; Leverhulme Trust","keywords":"CLARITY; Context (archaeology); Worry; Habitability; Computer science; Certainty; Astrobiology; Multidisciplinary approach; Confusion; Interpretation (philosophy); Epistemology; Data science; Management science; Psychology; Engineering; Planet; History; Law; Political science; Philosophy; Astronomy; Physics; Biology","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":[0.01097998,0.0008948747,0.002064248,0.00217932,0.003614404,0.009922876,0.003391422,0.008161709,0.004414447],"category_scores_gemma":[0.02597024,0.0005075219,0.001474414,0.002735314,0.04527679,0.0305222,0.004562513,0.0103986,0.002493287],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.003188331,"about_ca_system_score_gemma":0.005762472,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004114661,"about_ca_topic_score_gemma":0.00281103,"domain_scores_codex":[0.9930562,0.002988391,0.0005146066,0.001307751,0.001761419,0.0003716487],"domain_scores_gemma":[0.9819055,0.01225245,0.001718067,0.001327217,0.002251977,0.0005448138],"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":[0.00008153459,0.00001890993,0.0008707089,0.004619835,0.00007556331,0.000566546,0.01301634,0.0001984945,0.0009208313,0.8629759,0.03721079,0.07944449],"study_design_scores_gemma":[0.000005644598,0.00004525385,0.0008205961,0.00403114,0.00004374958,0.0008858855,0.008026254,0.0001143318,0.0005990766,0.3273505,0.6580129,0.00006464794],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"review","genre_gemma":"review","genre_scores_codex":[0.004938994,0.6465436,0.03267569,0.246202,0.02658323,0.00004534967,0.0001915594,0.0001861613,0.04263346],"genre_scores_gemma":[0.2048587,0.6079874,0.0184972,0.129281,0.02213595,0.0002690383,0.000414886,0.0004287235,0.01612718],"genre_candidate":"review","genre_consensus":"review","teacher_disagreement_score":0.01097998,"threshold_uncertainty_score":0.05806839,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.05739354764157169,"score_gpt":0.3256805731763638,"score_spread":0.2682870255347922,"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."}}