{"meta":{"query_hash":"c8307c4d0594","filters":{"venue":"Journal of Petroleum Technology and Alternative Fuels"},"cohort_total":2,"direct_labels_cover":0,"predictions_cover":2,"exported":2,"export_cap":100000,"truncated":false,"label_status":"direct model label, unvalidated","prediction_status":"machine_predicted_unvalidated (Codex and Gemma teacher distillation)","score_status":"score_only:v0-immature-baseline","snapshot":{"source":"OpenAlex, pinned release, all 482 partitions","release":"2026-06-24","frame_built":"2026-07-12"},"permalink":"https://metacan.xera.ac/q/c8307c4d0594","api":"https://metacan.xera.ac/api/v1/cohort?venue=Journal+of+Petroleum+Technology+and+Alternative+Fuels"},"results":[{"id":"W2161524901","doi":"10.5897/jptaf.9000028","title":"Systematic approach for improving performance of progressive cavity pumping systems in a deep heavy oil reservoir","year":2011,"lang":"en","type":"article","venue":"Journal of Petroleum Technology and Alternative Fuels","topic":"Oil and Gas Production Techniques","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":true,"route_ca_aff":true,"route_ca_fund":false,"route_ca_venue":false,"route_about_ca":false,"ca_institutions":"University of Regina","funders":"","keywords":"Thread (computing); Oil well; Petroleum engineering; Torque; Progressive cavity pump; Scalability; Oil production; Engineering; Mechanical engineering; Computer science; Hydraulic pump; Physics","score_opus":0.015484045498805084,"score_gpt":0.22934521162062846,"score_spread":0.21386116612182338,"validation_status":"score_only:v0-immature-baseline","prediction":{"id":"W2161524901","genre_codex":"empirical","genre_gemma":"empirical","domain_codex":null,"domain_gemma":null,"model_version":"codex-gemma-dda1882f352a","genre_candidate":"empirical","genre_consensus":"empirical","domain_candidate":null,"domain_consensus":null,"prediction_status":"machine_predicted_unvalidated","genre_scores_codex":[0.98519385,0.005820758,0.008231797,0.000027023378,0.00022536577,0.00018328,0.0000037196478,0.00007763547,0.00023654377],"genre_scores_gemma":[0.9917317,0.00029319015,0.00774963,0.0000021314406,0.000071433096,0.00010578882,3.9804146e-7,0.000017344497,0.000028366092],"study_design_codex":"systematic_review","study_design_gemma":"bench_or_experimental","domain_scores_codex":[0.99879575,0.00004395036,0.000683118,0.00013892888,0.00013005456,0.00020821343],"domain_scores_gemma":[0.9990328,0.00003793427,0.0005224319,0.00015478006,0.00021682153,0.000035219575],"candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.00075089006,0.00015105268,0.0005310857,0.00083146367,0.00004334115,0.000012404704,0.00025694285,0.00013936414,8.6297837e-7],"category_scores_gemma":[0.00012192594,0.000120791876,0.00006177752,0.00022859237,0.0001193912,0.0002937268,0.00004349325,0.0003677873,1.6294679e-7],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_system_candidate":false,"about_ca_system_consensus":false,"study_design_scores_codex":[0.0029717279,0.0024442016,0.11442055,0.52446496,0.0038132116,0.00039317613,0.01662059,0.03440442,0.1329239,0.015782993,0.00007771115,0.15168256],"study_design_scores_gemma":[0.0026689852,0.0028595335,0.0016170773,0.010693574,0.00022200636,0.001392772,0.0046126354,0.17538553,0.79603034,0.0038329384,0.000025457632,0.00065914425],"about_ca_topic_score_codex":0.000010280016,"about_ca_topic_score_gemma":0.0000015386462,"teacher_disagreement_score":0.66310644,"about_ca_system_score_codex":0.00007171155,"about_ca_system_score_gemma":0.000016961556,"threshold_uncertainty_score":0.492575},"labels":[],"label_agreement":null},{"id":"W2518529868","doi":"10.5897/jptaf.9000017","title":"Jatropha oil production and an experimental investigation of its use as an alternative fuel in a DI diesel engine","year":2011,"lang":"en","type":"article","venue":"Journal of Petroleum Technology and Alternative Fuels","topic":"Biodiesel Production and Applications","field":"Engineering","cited_by":31,"is_retracted":false,"has_abstract":true,"route_ca_aff":true,"route_ca_fund":false,"route_ca_venue":false,"route_about_ca":false,"ca_institutions":"Dalhousie University","funders":"","keywords":"Diesel fuel; Jatropha; Diesel engine; Biodiesel; Vegetable oil refining; Brake specific fuel consumption; Thrust specific fuel consumption; Winter diesel fuel; Waste management; Environmental science; Thermal efficiency; Pulp and paper industry; Biofuel; Vegetable oil; Fuel oil; Diesel cycle; Engineering; Chemistry; Petrol engine; Automotive engineering; Internal combustion engine; Food science; Combustion; Organic chemistry","score_opus":0.031693408988274385,"score_gpt":0.2638842786927875,"score_spread":0.23219086970451314,"validation_status":"score_only:v0-immature-baseline","prediction":{"id":"W2518529868","genre_codex":"empirical","genre_gemma":"empirical","domain_codex":null,"domain_gemma":null,"model_version":"codex-gemma-dda1882f352a","genre_candidate":"empirical","genre_consensus":"empirical","domain_candidate":null,"domain_consensus":null,"prediction_status":"machine_predicted_unvalidated","genre_scores_codex":[0.9977023,0.0014482972,0.00018003723,0.00021615044,0.00022420543,0.00006342754,0.000007873472,0.000047737816,0.00010997482],"genre_scores_gemma":[0.99668753,0.0015266124,0.0015605405,0.000011260103,0.00013351989,0.000017631604,0.0000018362133,0.000014915814,0.000046150315],"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","domain_scores_codex":[0.9991575,0.000042057996,0.0003592011,0.00019215347,0.000115621355,0.00013348354],"domain_scores_gemma":[0.99940056,0.000013257732,0.00021250587,0.00013594012,0.00015999429,0.00007773767],"candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.00018637843,0.00014738816,0.00023300103,0.00067671546,0.000042908327,0.000015871496,0.00013730428,0.000096885626,0.000011381313],"category_scores_gemma":[0.000077027864,0.00013573737,0.000023433056,0.00023879256,0.0002567288,0.0009530624,0.0000344848,0.00032966826,0.0000011531455],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_system_candidate":false,"about_ca_system_consensus":false,"study_design_scores_codex":[0.0003245759,0.0006315349,0.04229213,0.00020680473,0.00029897803,0.000044959004,0.01250487,0.00097637903,0.90291166,0.0223577,0.000032703218,0.017417707],"study_design_scores_gemma":[0.0009258129,0.0010130089,0.016781595,0.00012229249,0.000030363028,0.00024165503,0.0021768266,0.0023704164,0.9669429,0.008938774,0.00022732216,0.00022903767],"about_ca_topic_score_codex":0.000022165937,"about_ca_topic_score_gemma":0.000016680284,"teacher_disagreement_score":0.064031236,"about_ca_system_score_codex":0.000044421035,"about_ca_system_score_gemma":0.000012830762,"threshold_uncertainty_score":0.5535209},"labels":[],"label_agreement":null}]}