{"id":"https://openalex.org/W4362552472","doi":"https://doi.org/10.1007/s10618-023-00925-9","title":"A two-step anomaly detection based method for PU classification in imbalanced data sets","display_name":"A two-step anomaly detection based method for PU classification in imbalanced data sets","publication_year":2023,"publication_date":"2023-03-07","ids":{"openalex":"https://openalex.org/W4362552472","doi":"https://doi.org/10.1007/s10618-023-00925-9"},"language":"en","primary_location":{"id":"doi:10.1007/s10618-023-00925-9","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s10618-023-00925-9","pdf_url":null,"source":{"id":"https://openalex.org/S121920818","display_name":"Data Mining and Knowledge Discovery","issn_l":"1384-5810","issn":["1384-5810","1573-756X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Data Mining and Knowledge Discovery","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://biblio.ugent.be/publication/01GXG5S16ZWHPQV6P5FTRHJV1F/file/01HJB08P4SC8HRNAVFRK3Z9WGV.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5069799522","display_name":"Carlos Ortega V\u00e1zquez","orcid":"https://orcid.org/0000-0002-3254-2555"},"institutions":[{"id":"https://openalex.org/I99464096","display_name":"KU Leuven","ror":"https://ror.org/05f950310","country_code":"BE","type":"education","lineage":["https://openalex.org/I99464096"]}],"countries":["BE"],"is_corresponding":true,"raw_author_name":"Carlos Ortega V\u00e1zquez","raw_affiliation_strings":["Research Centre for Information Systems Engineering, Faculty of Economics and Business, KU Leuven, Leuven, Belgium"],"raw_orcid":"https://orcid.org/0000-0002-3254-2555","affiliations":[{"raw_affiliation_string":"Research Centre for Information Systems Engineering, Faculty of Economics and Business, KU Leuven, Leuven, Belgium","institution_ids":["https://openalex.org/I99464096"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001193136","display_name":"Seppe vanden Broucke","orcid":"https://orcid.org/0000-0002-8781-3906"},"institutions":[{"id":"https://openalex.org/I32597200","display_name":"Ghent University","ror":"https://ror.org/00cv9y106","country_code":"BE","type":"education","lineage":["https://openalex.org/I32597200"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Seppe vanden Broucke","raw_affiliation_strings":["Department of Business Informatics and Operations Management, Faculty of Economics and Business Administration, Ghent University, Ghent, Belgium"],"raw_orcid":"https://orcid.org/0000-0002-8781-3906","affiliations":[{"raw_affiliation_string":"Department of Business Informatics and Operations Management, Faculty of Economics and Business Administration, Ghent University, Ghent, Belgium","institution_ids":["https://openalex.org/I32597200"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5080266755","display_name":"Jochen De Weerdt","orcid":"https://orcid.org/0000-0001-6151-0504"},"institutions":[{"id":"https://openalex.org/I99464096","display_name":"KU Leuven","ror":"https://ror.org/05f950310","country_code":"BE","type":"education","lineage":["https://openalex.org/I99464096"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Jochen De Weerdt","raw_affiliation_strings":["Research Centre for Information Systems Engineering, Faculty of Economics and Business, KU Leuven, Leuven, Belgium"],"raw_orcid":"https://orcid.org/0000-0001-6151-0504","affiliations":[{"raw_affiliation_string":"Research Centre for Information Systems Engineering, Faculty of Economics and Business, KU Leuven, Leuven, Belgium","institution_ids":["https://openalex.org/I99464096"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5069799522"],"corresponding_institution_ids":["https://openalex.org/I99464096"],"apc_list":{"value":2390,"currency":"EUR","value_usd":2990},"apc_paid":null,"fwci":1.3633,"has_fulltext":true,"cited_by_count":8,"citation_normalized_percentile":{"value":0.841752,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":98},"biblio":{"volume":"37","issue":"3","first_page":"1301","last_page":"1325"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11652","display_name":"Imbalanced Data Classification Techniques","score":0.9991000294685364,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11652","display_name":"Imbalanced Data Classification Techniques","score":0.9991000294685364,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12535","display_name":"Machine Learning and Data Classification","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.9948999881744385,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/anomaly-detection","display_name":"Anomaly detection","score":0.8114185333251953},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6871541142463684},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6427594423294067},{"id":"https://openalex.org/keywords/classifier","display_name":"Classifier (UML)","score":0.5994645357131958},{"id":"https://openalex.org/keywords/false-positive-paradox","display_name":"False positive paradox","score":0.5815133452415466},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.5592698454856873},{"id":"https://openalex.org/keywords/detector","display_name":"Detector","score":0.5574227571487427},{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.5485154986381531},{"id":"https://openalex.org/keywords/k-nearest-neighbors-algorithm","display_name":"k-nearest neighbors algorithm","score":0.45137256383895874},{"id":"https://openalex.org/keywords/exploit","display_name":"Exploit","score":0.44788309931755066},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.44324997067451477},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.4271465539932251},{"id":"https://openalex.org/keywords/anomaly","display_name":"Anomaly (physics)","score":0.42516207695007324}],"concepts":[{"id":"https://openalex.org/C739882","wikidata":"https://www.wikidata.org/wiki/Q3560506","display_name":"Anomaly detection","level":2,"score":0.8114185333251953},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6871541142463684},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6427594423294067},{"id":"https://openalex.org/C95623464","wikidata":"https://www.wikidata.org/wiki/Q1096149","display_name":"Classifier (UML)","level":2,"score":0.5994645357131958},{"id":"https://openalex.org/C64869954","wikidata":"https://www.wikidata.org/wiki/Q1859747","display_name":"False positive paradox","level":2,"score":0.5815133452415466},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.5592698454856873},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.5574227571487427},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.5485154986381531},{"id":"https://openalex.org/C113238511","wikidata":"https://www.wikidata.org/wiki/Q1071612","display_name":"k-nearest neighbors algorithm","level":2,"score":0.45137256383895874},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.44788309931755066},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.44324997067451477},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.4271465539932251},{"id":"https://openalex.org/C12997251","wikidata":"https://www.wikidata.org/wiki/Q567560","display_name":"Anomaly (physics)","level":2,"score":0.42516207695007324},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0},{"id":"https://openalex.org/C26873012","wikidata":"https://www.wikidata.org/wiki/Q214781","display_name":"Condensed matter physics","level":1,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1007/s10618-023-00925-9","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s10618-023-00925-9","pdf_url":null,"source":{"id":"https://openalex.org/S121920818","display_name":"Data Mining and Knowledge Discovery","issn_l":"1384-5810","issn":["1384-5810","1573-756X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Data Mining and Knowledge Discovery","raw_type":"journal-article"},{"id":"pmh:oai:archive.ugent.be:01GXG5S16ZWHPQV6P5FTRHJV1F","is_oa":true,"landing_page_url":"http://hdl.handle.net/1854/LU-01GXG5S16ZWHPQV6P5FTRHJV1F","pdf_url":"https://biblio.ugent.be/publication/01GXG5S16ZWHPQV6P5FTRHJV1F/file/01HJB08P4SC8HRNAVFRK3Z9WGV.pdf","source":{"id":"https://openalex.org/S4306400478","display_name":"Ghent University Academic Bibliography (Ghent University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I32597200","host_organization_name":"Ghent University","host_organization_lineage":["https://openalex.org/I32597200"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ISSN: 1573-756X","raw_type":"info:eu-repo/semantics/publishedVersion"},{"id":"pmh:oai:lirias2repo.kuleuven.be:20.500.12942/717461","is_oa":true,"landing_page_url":"https://lirias.kuleuven.be/handle/20.500.12942/717461","pdf_url":"https://lirias.kuleuven.be/retrieve/a137cee8-7ae9-49b2-870b-e3fb2ba47bf6","source":{"id":"https://openalex.org/S4306401954","display_name":"Lirias (KU Leuven)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I99464096","host_organization_name":"KU Leuven","host_organization_lineage":["https://openalex.org/I99464096"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Data Mining And Knowledge Discovery, vol. 37 (3), (1301-1325)","raw_type":"info:eu-repo/semantics/publishedVersion"}],"best_oa_location":{"id":"pmh:oai:archive.ugent.be:01GXG5S16ZWHPQV6P5FTRHJV1F","is_oa":true,"landing_page_url":"http://hdl.handle.net/1854/LU-01GXG5S16ZWHPQV6P5FTRHJV1F","pdf_url":"https://biblio.ugent.be/publication/01GXG5S16ZWHPQV6P5FTRHJV1F/file/01HJB08P4SC8HRNAVFRK3Z9WGV.pdf","source":{"id":"https://openalex.org/S4306400478","display_name":"Ghent University Academic Bibliography (Ghent University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I32597200","host_organization_name":"Ghent University","host_organization_lineage":["https://openalex.org/I32597200"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ISSN: 1573-756X","raw_type":"info:eu-repo/semantics/publishedVersion"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions","score":0.49000000953674316}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":false},"content_urls":{"pdf":"https://content.openalex.org/works/W4362552472.pdf"},"referenced_works_count":56,"referenced_works":["https://openalex.org/W1497303847","https://openalex.org/W1502674064","https://openalex.org/W1506384245","https://openalex.org/W1514936228","https://openalex.org/W1575576647","https://openalex.org/W1598260899","https://openalex.org/W1666942233","https://openalex.org/W1978380814","https://openalex.org/W1986332411","https://openalex.org/W1992795012","https://openalex.org/W1995443851","https://openalex.org/W1997731668","https://openalex.org/W2010884594","https://openalex.org/W2034810662","https://openalex.org/W2050871273","https://openalex.org/W2077373870","https://openalex.org/W2088402748","https://openalex.org/W2090135786","https://openalex.org/W2100974707","https://openalex.org/W2102348129","https://openalex.org/W2106401878","https://openalex.org/W2123458540","https://openalex.org/W2123958887","https://openalex.org/W2124316743","https://openalex.org/W2124685890","https://openalex.org/W2130486630","https://openalex.org/W2130652100","https://openalex.org/W2132862423","https://openalex.org/W2143074819","https://openalex.org/W2144182447","https://openalex.org/W2148143831","https://openalex.org/W2159901481","https://openalex.org/W2167460663","https://openalex.org/W2170413589","https://openalex.org/W2170645625","https://openalex.org/W2282861635","https://openalex.org/W2295598076","https://openalex.org/W2296719434","https://openalex.org/W2310506832","https://openalex.org/W2577871063","https://openalex.org/W2746791238","https://openalex.org/W2788085070","https://openalex.org/W2802761093","https://openalex.org/W2806978311","https://openalex.org/W2899867782","https://openalex.org/W2980441388","https://openalex.org/W3030275537","https://openalex.org/W3042124509","https://openalex.org/W3114405416","https://openalex.org/W3168214179","https://openalex.org/W3190417026","https://openalex.org/W4235091326","https://openalex.org/W4238200010","https://openalex.org/W4243367342","https://openalex.org/W4256141317","https://openalex.org/W6631986487"],"related_works":["https://openalex.org/W2806741695","https://openalex.org/W4214835788","https://openalex.org/W3210364259","https://openalex.org/W4290647774","https://openalex.org/W2891652452","https://openalex.org/W3189286258","https://openalex.org/W4206552806","https://openalex.org/W3207797160","https://openalex.org/W2912112202","https://openalex.org/W2667207928"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":5}],"updated_date":"2026-01-24T23:23:39.755997","created_date":"2025-10-10T00:00:00"}