{"id":"https://openalex.org/W2295409730","doi":"https://doi.org/10.1587/transinf.2015edp7212","title":"Computationally Efficient Class-Prior Estimation under Class Balance Change Using Energy Distance","display_name":"Computationally Efficient Class-Prior Estimation under Class Balance Change Using Energy Distance","publication_year":2015,"publication_date":"2015-12-31","ids":{"openalex":"https://openalex.org/W2295409730","doi":"https://doi.org/10.1587/transinf.2015edp7212","mag":"2295409730"},"language":"en","primary_location":{"id":"doi:10.1587/transinf.2015edp7212","is_oa":true,"landing_page_url":"https://doi.org/10.1587/transinf.2015edp7212","pdf_url":"https://www.jstage.jst.go.jp/article/transinf/E99.D/1/E99.D_2015EDP7212/_pdf","source":{"id":"https://openalex.org/S2486202937","display_name":"IEICE Transactions on Information and Systems","issn_l":"0916-8532","issn":["0916-8532","1745-1361"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Transactions on Information and Systems","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://www.jstage.jst.go.jp/article/transinf/E99.D/1/E99.D_2015EDP7212/_pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5057294791","display_name":"Hideko Kawakubo","orcid":null},"institutions":[{"id":"https://openalex.org/I114531698","display_name":"Tokyo Institute of Technology","ror":"https://ror.org/0112mx960","country_code":"JP","type":"education","lineage":["https://openalex.org/I114531698"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hideko KAWAKUBO","raw_affiliation_strings":["Tokyo Institute of Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tokyo Institute of Technology","institution_ids":["https://openalex.org/I114531698"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056846443","display_name":"Marthinus Christoffel du Plessis","orcid":null},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Marthinus Christoffel DU PLESSIS","raw_affiliation_strings":["The University of Tokyo"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The University of Tokyo","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5072744508","display_name":"Masashi Sugiyama","orcid":"https://orcid.org/0000-0001-6658-6743"},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Masashi SUGIYAMA","raw_affiliation_strings":["The University of Tokyo"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The University of Tokyo","institution_ids":["https://openalex.org/I74801974"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.6192,"has_fulltext":true,"cited_by_count":26,"citation_normalized_percentile":{"value":0.91966827,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"E99.D","issue":"1","first_page":"176","last_page":"186"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11652","display_name":"Imbalanced Data Classification Techniques","score":0.9979000091552734,"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":0.9979000091552734,"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":0.9937999844551086,"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/T11307","display_name":"Domain Adaptation and Few-Shot Learning","score":0.9898999929428101,"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/computer-science","display_name":"Computer science","score":0.7564164400100708},{"id":"https://openalex.org/keywords/estimator","display_name":"Estimator","score":0.7552567720413208},{"id":"https://openalex.org/keywords/class","display_name":"Class (philosophy)","score":0.6111281514167786},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5898469686508179},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.544172465801239},{"id":"https://openalex.org/keywords/classifier","display_name":"Classifier (UML)","score":0.5440229177474976},{"id":"https://openalex.org/keywords/balance","display_name":"Balance (ability)","score":0.5027866363525391},{"id":"https://openalex.org/keywords/test","display_name":"Test (biology)","score":0.43521034717559814},{"id":"https://openalex.org/keywords/energy-balance","display_name":"Energy balance","score":0.4325658977031708},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.39783650636672974},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.30354994535446167},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.19702214002609253}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7564164400100708},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.7552567720413208},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.6111281514167786},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5898469686508179},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.544172465801239},{"id":"https://openalex.org/C95623464","wikidata":"https://www.wikidata.org/wiki/Q1096149","display_name":"Classifier (UML)","level":2,"score":0.5440229177474976},{"id":"https://openalex.org/C168031717","wikidata":"https://www.wikidata.org/wiki/Q1530280","display_name":"Balance (ability)","level":2,"score":0.5027866363525391},{"id":"https://openalex.org/C2777267654","wikidata":"https://www.wikidata.org/wiki/Q3519023","display_name":"Test (biology)","level":2,"score":0.43521034717559814},{"id":"https://openalex.org/C2777423268","wikidata":"https://www.wikidata.org/wiki/Q3663116","display_name":"Energy balance","level":2,"score":0.4325658977031708},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.39783650636672974},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.30354994535446167},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.19702214002609253},{"id":"https://openalex.org/C99508421","wikidata":"https://www.wikidata.org/wiki/Q2678675","display_name":"Physical medicine and rehabilitation","level":1,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1587/transinf.2015edp7212","is_oa":true,"landing_page_url":"https://doi.org/10.1587/transinf.2015edp7212","pdf_url":"https://www.jstage.jst.go.jp/article/transinf/E99.D/1/E99.D_2015EDP7212/_pdf","source":{"id":"https://openalex.org/S2486202937","display_name":"IEICE Transactions on Information and Systems","issn_l":"0916-8532","issn":["0916-8532","1745-1361"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Transactions on Information and Systems","raw_type":"journal-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.713.346","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.713.346","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.ms.k.u-tokyo.ac.jp/2016/ClassPriorED.pdf","raw_type":"text"}],"best_oa_location":{"id":"doi:10.1587/transinf.2015edp7212","is_oa":true,"landing_page_url":"https://doi.org/10.1587/transinf.2015edp7212","pdf_url":"https://www.jstage.jst.go.jp/article/transinf/E99.D/1/E99.D_2015EDP7212/_pdf","source":{"id":"https://openalex.org/S2486202937","display_name":"IEICE Transactions on Information and Systems","issn_l":"0916-8532","issn":["0916-8532","1745-1361"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Transactions on Information and Systems","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.8999999761581421,"id":"https://metadata.un.org/sdg/7"}],"awards":[{"id":"https://openalex.org/G2274962710","display_name":"Theory and Application of Information-Based Machine Learning","funder_award_id":"25700022","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"},{"id":"https://openalex.org/G6718509927","display_name":null,"funder_award_id":"CREST","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"}],"funders":[{"id":"https://openalex.org/F4320334764","display_name":"Japan Society for the Promotion of Science","ror":"https://ror.org/00hhkn466"},{"id":"https://openalex.org/F4320338075","display_name":"Core Research for Evolutional Science and Technology","ror":"https://ror.org/00097mb19"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2295409730.pdf","grobid_xml":"https://content.openalex.org/works/W2295409730.grobid-xml"},"referenced_works_count":31,"referenced_works":["https://openalex.org/W152055444","https://openalex.org/W189742998","https://openalex.org/W1479807131","https://openalex.org/W1480376833","https://openalex.org/W1493730910","https://openalex.org/W1542938076","https://openalex.org/W1779010541","https://openalex.org/W1965555277","https://openalex.org/W1986280275","https://openalex.org/W1990970321","https://openalex.org/W2031648200","https://openalex.org/W2049633694","https://openalex.org/W2062291443","https://openalex.org/W2083252561","https://openalex.org/W2102689555","https://openalex.org/W2110097068","https://openalex.org/W2117381306","https://openalex.org/W2117890631","https://openalex.org/W2125865219","https://openalex.org/W2141253686","https://openalex.org/W2147943944","https://openalex.org/W2148603752","https://openalex.org/W2153635508","https://openalex.org/W2158040987","https://openalex.org/W2162651021","https://openalex.org/W2166944917","https://openalex.org/W2616198738","https://openalex.org/W3104433444","https://openalex.org/W3120421331","https://openalex.org/W3127518054","https://openalex.org/W4244473079"],"related_works":["https://openalex.org/W4287880334","https://openalex.org/W4366700029","https://openalex.org/W4285230481","https://openalex.org/W4385769873","https://openalex.org/W2015759683","https://openalex.org/W4281634296","https://openalex.org/W4319161863","https://openalex.org/W2371687270","https://openalex.org/W4307819175","https://openalex.org/W4311888330"],"abstract_inverted_index":{"In":[0,70],"many":[1],"real-world":[2],"classification":[3],"problems,":[4],"the":[5,21,24,56,61,97,105],"class":[6,33,58,63,92],"balance":[7,34,64,93],"often":[8,66],"changes":[9,31],"between":[10],"training":[11,28,53,81],"and":[12,83,89],"test":[13,57,62,85],"datasets,":[14],"due":[15],"to":[16,55],"sample":[17],"selection":[18],"bias":[19,47],"or":[20],"non-stationarity":[22],"of":[23,32],"environment.":[25],"Naive":[26],"classifier":[27],"under":[29],"such":[30,44],"systematically":[35],"yields":[36],"a":[37,45,75,91],"biased":[38],"solution.":[39],"It":[40],"is":[41,65,108],"known":[42],"that":[43,104],"systematic":[46],"can":[48],"be":[49],"corrected":[50],"by":[51],"weighted":[52],"according":[54],"balance.":[59],"However,":[60],"unknown":[67],"in":[68],"practice.":[69],"this":[71],"paper,":[72],"we":[73,102],"consider":[74],"semi-supervised":[76],"learning":[77],"setup":[78],"where":[79],"labeled":[80],"samples":[82,86],"unlabeled":[84],"are":[87],"available":[88],"propose":[90],"estimator":[94],"based":[95],"on":[96],"energy":[98],"distance.":[99],"Through":[100],"experiments,":[101],"demonstrate":[103],"proposed":[106],"method":[107],"computationally":[109],"much":[110],"more":[111],"efficient":[112],"than":[113],"existing":[114],"approaches,":[115],"with":[116],"comparable":[117],"accuracy.":[118]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}