{"id":"W940842505","doi":"10.1017/cbo9780511795428","title":"Lighthouse Construction and Illumination","year":2010,"lang":"en","type":"book","venue":"Cambridge University Press eBooks","topic":"History and Developments in Astronomy","field":"Physics and Astronomy","cited_by":3,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Quarter (Canadian coin); China; Art history; History; Work (physics); Engineering; Management; Archaeology; Mechanical engineering","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":[],"consensus_categories":[],"category_scores_codex":[0.0002159871,0.0004277754,0.0001496031,0.0007149646,0.002486438,0.002889437,0.0003212396,0.000908536,0.01855502],"category_scores_gemma":[0.0004613758,0.0002376416,0.0001933114,0.0009378095,0.003443781,0.002046096,0.001522775,0.001288641,0.004180046],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.003185151,"about_ca_system_score_gemma":0.001764742,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.012499,"about_ca_topic_score_gemma":0.02952299,"domain_scores_codex":[0.9996358,0.00007581915,0.00001292555,0.00006458097,0.0001572681,0.00005364766],"domain_scores_gemma":[0.9999238,0.0000183783,0.000007294499,0.00001036642,0.00002476822,0.00001532498],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"not_applicable","study_design_scores_codex":[0.00002469982,0.00001449609,0.0002953488,0.0001537231,0.000003004205,0.0001601341,0.003573335,0.0002991545,0.0006919606,0.6132628,0.216114,0.1654075],"study_design_scores_gemma":[5.068213e-7,0.000003961758,0.0001811922,0.00004700115,5.513094e-7,0.00006213922,0.0001751545,0.00001590508,0.0001144841,0.005068774,0.9943277,0.000002449793],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"other","genre_gemma":"other","genre_scores_codex":[0.002468474,0.02580883,0.002558161,0.003072615,0.001559225,0.00002611375,0.00007123979,0.0001102645,0.9643251],"genre_scores_gemma":[0.05800294,0.01739744,0.002772416,0.001472116,0.0006317054,0.00002789502,0.0000879182,0.0001408113,0.9194667],"genre_candidate":"other","genre_consensus":"other","teacher_disagreement_score":0.01855502,"threshold_uncertainty_score":0.06207269,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.006542650349208206,"score_gpt":0.1725988616751313,"score_spread":0.1660562113259231,"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."}}