{"id":"W173241321","doi":"","title":"Observation, Characterization And Modeling of Fracture Initiation In Rock","year":2009,"lang":"en","type":"article","venue":"","topic":"Hydraulic Fracturing and Reservoir Analysis","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":false,"ca_institutions":"Shell (Canada)","funders":"","keywords":"Geology; Fracture (geology); Characterization (materials science); Geotechnical engineering; Materials science","routes":{"ca_aff":true,"ca_fund":false,"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":[0.0001742113,0.0001822663,0.0002033622,0.0003851178,0.0002817129,0.0002462042,0.0003820224,0.0004078012,0.0004714646],"category_scores_gemma":[0.0004476863,0.0002043594,0.0002132878,0.0003492195,0.0003252597,0.0002542853,0.0001845252,0.0003613828,0.0001367704],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003969146,"about_ca_system_score_gemma":0.0002751492,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004435462,"about_ca_topic_score_gemma":0.004316356,"domain_scores_codex":[0.9999294,0.000006352352,0.000002818764,0.00001773389,0.00003033828,0.00001323444],"domain_scores_gemma":[0.9997744,0.0001035194,0.00003139814,0.00003637181,0.00003594453,0.00001836608],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"observational","study_design_scores_codex":[0.0005507115,0.0003850732,0.06772094,0.0001686967,0.00003826087,0.0005149906,0.0004557719,0.3460211,0.5315787,0.002915356,0.0005500999,0.04910024],"study_design_scores_gemma":[0.00001774039,0.00009678895,0.05802053,0.000004170798,0.00001449805,0.0001766398,0.00007162987,0.8399882,0.1003494,0.0006364678,0.0005985764,0.00002534674],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9696549,0.0001274761,0.02837279,0.00003199592,0.000005191002,0.00002062361,0.0001811396,0.0002661321,0.001339691],"genre_scores_gemma":[0.9961756,0.0000454677,0.003435881,0.00000192147,0.000001688397,0.000007139984,0.00009274243,0.000008523157,0.0002310115],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.004435462,"threshold_uncertainty_score":0.008819282,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01313779361630237,"score_gpt":0.2139219926167844,"score_spread":0.2007841990004821,"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."}}