{"id":"W1640183361","doi":"10.1023/a:1026247026218","title":"A Discussion of Space-Time Metric Engineering","year":2003,"lang":"en","type":"article","venue":"General Relativity and Gravitation","topic":"Astronomical Observations and Instrumentation","field":"Engineering","cited_by":24,"is_retracted":false,"has_abstract":false,"ca_institutions":"Lockheed Martin (Canada)","funders":"","keywords":"Spacecraft; Physics; Contraction (grammar); Mechanism (biology); sort; Differential geometry; Spacetime; Theoretical physics; Space (punctuation); Classical mechanics; Doppler effect; Length contraction; Aerospace engineering; Mathematical analysis; Computer science; Mathematics; Theory of relativity; Quantum mechanics; Arithmetic; Astronomy; Engineering","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":[0.001878007,0.001012602,0.0006644381,0.001921966,0.003683388,0.00392388,0.002149188,0.004490876,0.009660093],"category_scores_gemma":[0.002836352,0.0004950893,0.001312336,0.00205018,0.009904454,0.007184884,0.001984491,0.005711126,0.002396008],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.002227101,"about_ca_system_score_gemma":0.0008638144,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002097404,"about_ca_topic_score_gemma":0.002128048,"domain_scores_codex":[0.9989995,0.0005294145,0.00005649053,0.0001145009,0.0002169267,0.00008315583],"domain_scores_gemma":[0.9991724,0.0004983786,0.00007762542,0.00008239529,0.0001159778,0.00005317881],"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":[4.647255e-7,0.000001550455,0.000007343404,0.000007495034,7.281258e-7,0.00001263636,0.00004694396,0.00005632888,0.00002672114,0.9979048,0.001385584,0.0005493678],"study_design_scores_gemma":[0.000002377512,0.00001162823,0.00006462825,0.00003527792,0.00000281298,0.0001318777,0.00008003481,0.0006045341,0.00009023071,0.9028695,0.09610004,0.000007123763],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":"theoretical_or_conceptual","genre_codex":"other","genre_gemma":"empirical","genre_scores_codex":[0.006466452,0.04601349,0.2342422,0.06030113,0.008331477,0.00007523123,0.0002284727,0.0001828704,0.6441587],"genre_scores_gemma":[0.4220026,0.07369997,0.1983684,0.04614076,0.02589628,0.0007635286,0.0003807946,0.0006660908,0.2320815],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.009660093,"threshold_uncertainty_score":0.03231621,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.006152109866973661,"score_gpt":0.190270760460332,"score_spread":0.1841186505933584,"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."}}