{"id":"W4400011133","doi":"10.2139/ssrn.4875728","title":"Challenges and Opportunities to Achieve Net-Zero Emissions in Shipping Ports","year":2024,"lang":"en","type":"preprint","venue":"SSRN Electronic Journal","topic":"Maritime Transport Emissions and Efficiency","field":"Environmental Science","cited_by":0,"is_retracted":false,"has_abstract":false,"ca_institutions":"Dalhousie University","funders":"","keywords":"Net (polyhedron); Zero emission; Zero (linguistics); Environmental science; Business; Environmental economics; Engineering; Economics; Mathematics; Waste management","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":[0.003229129,0.0005531713,0.0005553201,0.0002826368,0.00110716,0.006165592,0.001394418,0.002716653,0.01390618],"category_scores_gemma":[0.005563012,0.0002185671,0.0004785399,0.0006526153,0.002226732,0.008832323,0.003141157,0.003081142,0.001848476],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001584448,"about_ca_system_score_gemma":0.003144581,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002177552,"about_ca_topic_score_gemma":0.002473457,"domain_scores_codex":[0.9988598,0.0003190202,0.00004210354,0.0001669957,0.0003550513,0.000257028],"domain_scores_gemma":[0.9982692,0.0007308077,0.0001413521,0.0001963262,0.0004437422,0.000218522],"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":[0.0001127247,0.0001929106,0.002683308,0.0003561978,0.00004778256,0.0001865411,0.0002641406,0.04162645,0.002180195,0.8706896,0.01300474,0.06865529],"study_design_scores_gemma":[0.00002057962,0.00009634777,0.002425045,0.0001627328,0.0000170181,0.0001626903,0.00195183,0.02318121,0.003075218,0.9166169,0.0522566,0.0000337251],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"other","genre_gemma":"empirical","genre_scores_codex":[0.2989463,0.009344824,0.1306481,0.1753918,0.00157057,0.00005812493,0.0005835293,0.000520122,0.3829365],"genre_scores_gemma":[0.9600694,0.003692626,0.0119975,0.0014403,0.00037988,0.00005165594,0.0001477947,0.00012902,0.02209193],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.01390618,"threshold_uncertainty_score":0.04652083,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03292375554920843,"score_gpt":0.2585415073803384,"score_spread":0.2256177518311299,"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."}}