{"id":"https://openalex.org/W1495551624","doi":"https://doi.org/10.1109/fuzz.2002.1006654","title":"Improved covariance estimation for Gustafson-Kessel clustering","display_name":"Improved covariance estimation for Gustafson-Kessel clustering","publication_year":2002,"publication_date":"2002-01-01","ids":{"openalex":"https://openalex.org/W1495551624","doi":"https://doi.org/10.1109/fuzz.2002.1006654","mag":"1495551624"},"language":"en","primary_location":{"id":"pmh:oai:pure.eur.nl:openaire_cris_publications/ce85c41d-aee9-4208-971d-d3bd4bd35aee","is_oa":false,"landing_page_url":"https://pure.eur.nl/en/publications/ce85c41d-aee9-4208-971d-d3bd4bd35aee","pdf_url":null,"source":{"id":"https://openalex.org/S4306401266","display_name":"EUR Research Repository (Erasmus University Rotterdam)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I913958620","host_organization_name":"Erasmus University Rotterdam","host_organization_lineage":["https://openalex.org/I913958620"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Babuska, R, van der Veen, PJ & Kaymak, U 2002, Improved covariance estimation for gustafson-kessel clustering. in -. pp. 1081-1085.","raw_type":"info:eu-repo/semantics/conferenceObject"},"type":"conference-paper","indexed_in":[],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://pure.tue.nl/ws/files/3635433/Metis256338.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5084264842","display_name":"Robert Babu\u0161ka","orcid":"https://orcid.org/0000-0001-9578-8598"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Babuska, R","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089733782","display_name":"Peter van der Veen","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Veen, PJ  van der","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5080242338","display_name":"Uzay Kaymak","orcid":"https://orcid.org/0000-0002-4500-9098"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Kaymak, U Uzay","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":26,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10637","display_name":"Advanced Clustering Algorithms Research","score":0.7348999977111816,"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/T10637","display_name":"Advanced Clustering Algorithms Research","score":0.7348999977111816,"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/T11901","display_name":"Bayesian Methods and Mixture Models","score":0.04560000076889992,"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/T10320","display_name":"Neural Networks and Applications","score":0.030400000512599945,"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/psychology","display_name":"Psychology","score":0.7543126344680786},{"id":"https://openalex.org/keywords/covariance","display_name":"Covariance","score":0.6734081506729126},{"id":"https://openalex.org/keywords/cluster-analysis","display_name":"Cluster analysis","score":0.6651697158813477},{"id":"https://openalex.org/keywords/estimation","display_name":"Estimation","score":0.5019760131835938},{"id":"https://openalex.org/keywords/econometrics","display_name":"Econometrics","score":0.325758695602417},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.32178711891174316},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.16218504309654236},{"id":"https://openalex.org/keywords/economics","display_name":"Economics","score":0.05587837100028992}],"concepts":[{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.7543126344680786},{"id":"https://openalex.org/C178650346","wikidata":"https://www.wikidata.org/wiki/Q201984","display_name":"Covariance","level":2,"score":0.6734081506729126},{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.6651697158813477},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.5019760131835938},{"id":"https://openalex.org/C149782125","wikidata":"https://www.wikidata.org/wiki/Q160039","display_name":"Econometrics","level":1,"score":0.325758695602417},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.32178711891174316},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.16218504309654236},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.05587837100028992},{"id":"https://openalex.org/C187736073","wikidata":"https://www.wikidata.org/wiki/Q2920921","display_name":"Management","level":1,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"pmh:oai:pure.eur.nl:openaire_cris_publications/ce85c41d-aee9-4208-971d-d3bd4bd35aee","is_oa":false,"landing_page_url":"https://pure.eur.nl/en/publications/ce85c41d-aee9-4208-971d-d3bd4bd35aee","pdf_url":null,"source":{"id":"https://openalex.org/S4306401266","display_name":"EUR Research Repository (Erasmus University Rotterdam)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I913958620","host_organization_name":"Erasmus University Rotterdam","host_organization_lineage":["https://openalex.org/I913958620"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Babuska, R, van der Veen, PJ & Kaymak, U 2002, Improved covariance estimation for gustafson-kessel clustering. in -. pp. 1081-1085.","raw_type":"info:eu-repo/semantics/conferenceObject"},{"id":"pmh:oai:pure.tue.nl:publications/52d2828c-5817-45af-952f-ba6d1da163b3","is_oa":true,"landing_page_url":"https://research.tue.nl/en/publications/52d2828c-5817-45af-952f-ba6d1da163b3","pdf_url":"https://pure.tue.nl/ws/files/3635433/Metis256338.pdf","source":{"id":"https://openalex.org/S4406922641","display_name":"TU/e Research Portal","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"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":"Babuska, R, Veen, van der, P J & Kaymak, U 2002, Improved covariance estimation for Gustafson-Kessel clustering. in Proceedings of the 2002 IEEE international conference on fuzzy systems. Honolulu, pp. 1081-1085, 2002 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE 2002), Honolulu, HI, Hawaii, United States, 12/05/02. https://doi.org/10.1109/FUZZ.2002.1006654","raw_type":"info:eu-repo/semantics/conferenceObject"},{"id":"pmh:tue:oai:pure.tue.nl:publications/52d2828c-5817-45af-952f-ba6d1da163b3","is_oa":true,"landing_page_url":"https://research.tue.nl/nl/publications/52d2828c-5817-45af-952f-ba6d1da163b3","pdf_url":"https://research.tue.nl/nl/publications/52d2828c-5817-45af-952f-ba6d1da163b3","source":{"id":"https://openalex.org/S4306401843","display_name":"Data Archiving and Networked Services (DANS)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1322597698","host_organization_name":"Royal Netherlands Academy of Arts and Sciences","host_organization_lineage":["https://openalex.org/I1322597698"],"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":"Proceedings of the 2002 IEEE international conference on fuzzy systems, 1081 - 1085","raw_type":"info:eu-repo/semantics/conferencepaper"},{"id":"pmh:720453","is_oa":false,"landing_page_url":"http://library.tue.nl/csp/dare/LinkToRepository.csp?recordnumber=720453","pdf_url":null,"source":{"id":"https://openalex.org/S4406923046","display_name":"TU/e Research Portal (Eindhoven University of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":null},{"id":"pmh:oai:library.tue.nl:720453","is_oa":false,"landing_page_url":"http://repository.tue.nl/720453","pdf_url":null,"source":{"id":"https://openalex.org/S4406923046","display_name":"TU/e Research Portal (Eindhoven University of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":null}],"best_oa_location":{"id":"pmh:oai:pure.tue.nl:publications/52d2828c-5817-45af-952f-ba6d1da163b3","is_oa":true,"landing_page_url":"https://research.tue.nl/en/publications/52d2828c-5817-45af-952f-ba6d1da163b3","pdf_url":"https://pure.tue.nl/ws/files/3635433/Metis256338.pdf","source":{"id":"https://openalex.org/S4406922641","display_name":"TU/e Research Portal","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"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":"Babuska, R, Veen, van der, P J & Kaymak, U 2002, Improved covariance estimation for Gustafson-Kessel clustering. in Proceedings of the 2002 IEEE international conference on fuzzy systems. Honolulu, pp. 1081-1085, 2002 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE 2002), Honolulu, HI, Hawaii, United States, 12/05/02. https://doi.org/10.1109/FUZZ.2002.1006654","raw_type":"info:eu-repo/semantics/conferenceObject"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321012","display_name":"Technische Universiteit Delft","ror":"https://ror.org/02e2c7k09"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1495551624.pdf","grobid_xml":"https://content.openalex.org/works/W1495551624.grobid-xml"},"referenced_works_count":4,"referenced_works":["https://openalex.org/W1892412993","https://openalex.org/W2079325629","https://openalex.org/W2113076747","https://openalex.org/W2122780641"],"related_works":["https://openalex.org/W1987801991","https://openalex.org/W2113076747","https://openalex.org/W2060685971","https://openalex.org/W1560688497","https://openalex.org/W1492447324","https://openalex.org/W3120852293","https://openalex.org/W2972889269","https://openalex.org/W1485575418","https://openalex.org/W2184837577","https://openalex.org/W2887212265","https://openalex.org/W2165578763","https://openalex.org/W2887001700","https://openalex.org/W969657537","https://openalex.org/W2085992176","https://openalex.org/W2025242337","https://openalex.org/W1990368529","https://openalex.org/W1969790930","https://openalex.org/W2002234064","https://openalex.org/W2330378326","https://openalex.org/W2002388490"],"abstract_inverted_index":{"This":[0,109],"article":[1],"presents":[2],"two":[3],"techniques":[4,134],"to":[5,104,118,127],"improve":[6],"the":[7,10,15,28,33,42,56,59,65,74,80,90,95,105,119,129,132],"calculation":[8],"of":[9,35,64,82,92,97,107,131],"fuzzy":[11,84],"covariance":[12,66,121],"matrix":[13,117],"in":[14,27,79,102],"Gustafson-Kessel":[16],"(GK)":[17],"clustering":[18,31],"algorithm.":[19],"The":[20,50,68],"first":[21],"one":[22],"overcomes":[23],"problems":[24],"that":[25],"occur":[26],"standard":[29],"GK":[30,75],"when":[32,41,73,94],"number":[34,96,106],"data":[36,43],"samples":[37,99],"is":[38,52,71,77,100,110],"small":[39],"or":[40],"within":[44],"a":[45,114],"cluster":[46],"are":[47,125],"linearly":[48],"correlated.":[49],"improvement":[51],"achieved":[53,111],"by":[54,112],"fixing":[55],"ratio":[57],"between":[58],"maximal":[60],"and":[61],"minimal":[62],"eigenvalue":[63],"matrix.":[67,122],"second":[69],"technique":[70],"useful":[72],"algorithm":[76],"employed":[78],"extraction":[81],"Takagi-Sugeno":[83],"model":[85],"from":[86],"data.":[87],"It":[88],"reduces":[89],"risk":[91],"overfitting":[93],"training":[98],"low":[101],"comparison":[103],"clusters.":[108],"adding":[113],"scaled":[115],"unity":[116],"calculated":[120],"Numerical":[123],"examples":[124],"presented":[126],"demonstrate":[128],"benefits":[130],"proposed":[133]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":4},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-07-12T07:33:03.550515","created_date":"2025-10-10T00:00:00"}
