{"id":"https://openalex.org/W2048365415","doi":"https://doi.org/10.1109/tnn.2011.2107527","title":"Topology-Based Hierarchical Clustering of Self-Organizing Maps","display_name":"Topology-Based Hierarchical Clustering of Self-Organizing Maps","publication_year":2011,"publication_date":"2011-03-01","ids":{"openalex":"https://openalex.org/W2048365415","doi":"https://doi.org/10.1109/tnn.2011.2107527","mag":"2048365415","pmid":"https://pubmed.ncbi.nlm.nih.gov/21356611"},"language":"en","primary_location":{"id":"doi:10.1109/tnn.2011.2107527","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tnn.2011.2107527","pdf_url":null,"source":{"id":"https://openalex.org/S42080949","display_name":"IEEE Transactions on Neural Networks","issn_l":"1045-9227","issn":["1045-9227","1941-0093"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Neural Networks","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5065386286","display_name":"Kadim Ta\u015fdemi\u0307r","orcid":"https://orcid.org/0000-0001-7519-1911"},"institutions":[{"id":"https://openalex.org/I4210118689","display_name":"Joint Research Centre","ror":"https://ror.org/02qezmz13","country_code":"IT","type":"government","lineage":["https://openalex.org/I1320481043","https://openalex.org/I2800387288","https://openalex.org/I4210118689","https://openalex.org/I4210161702"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"K Tasdemir","raw_affiliation_strings":["European Commission Joint Research Centre, Institute for Environment and Sustainability, Monitoring Agricultural Resources Unit, Ispra 21027, Italy. kadim.tasdemir@jrc.ec.europa.eu","Inst. for Environ. & Sustainability, Eur. Comm. Joint Res. Centre, Ispra, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"European Commission Joint Research Centre, Institute for Environment and Sustainability, Monitoring Agricultural Resources Unit, Ispra 21027, Italy. kadim.tasdemir@jrc.ec.europa.eu","institution_ids":["https://openalex.org/I4210118689"]},{"raw_affiliation_string":"Inst. for Environ. & Sustainability, Eur. Comm. Joint Res. Centre, Ispra, Italy","institution_ids":["https://openalex.org/I4210118689"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5080307915","display_name":"P Milenov","orcid":null},"institutions":[{"id":"https://openalex.org/I2800387288","display_name":"European Commission","ror":"https://ror.org/00k4n6c32","country_code":"BE","type":"government","lineage":["https://openalex.org/I1320481043","https://openalex.org/I2800387288"]},{"id":"https://openalex.org/I4210118689","display_name":"Joint Research Centre","ror":"https://ror.org/02qezmz13","country_code":"IT","type":"government","lineage":["https://openalex.org/I1320481043","https://openalex.org/I2800387288","https://openalex.org/I4210118689","https://openalex.org/I4210161702"]}],"countries":["BE","IT"],"is_corresponding":false,"raw_author_name":"P Milenov","raw_affiliation_strings":["Institute of Environment and Sustainability, Monitoring Agricultural Resources Unit, European Commission Joint Research Centre, Ispra Varese, Italy","Inst. for Environ. & Sustainability, Eur. Comm. Joint Res. Centre, Ispra, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Environment and Sustainability, Monitoring Agricultural Resources Unit, European Commission Joint Research Centre, Ispra Varese, Italy","institution_ids":["https://openalex.org/I2800387288","https://openalex.org/I4210118689"]},{"raw_affiliation_string":"Inst. for Environ. & Sustainability, Eur. Comm. Joint Res. Centre, Ispra, Italy","institution_ids":["https://openalex.org/I4210118689"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5008157841","display_name":"Brooke Tapsall","orcid":null},"institutions":[{"id":"https://openalex.org/I2800387288","display_name":"European Commission","ror":"https://ror.org/00k4n6c32","country_code":"BE","type":"government","lineage":["https://openalex.org/I1320481043","https://openalex.org/I2800387288"]},{"id":"https://openalex.org/I4210118689","display_name":"Joint Research Centre","ror":"https://ror.org/02qezmz13","country_code":"IT","type":"government","lineage":["https://openalex.org/I1320481043","https://openalex.org/I2800387288","https://openalex.org/I4210118689","https://openalex.org/I4210161702"]}],"countries":["BE","IT"],"is_corresponding":false,"raw_author_name":"B Tapsall","raw_affiliation_strings":["Institute of Environment and Sustainability, Monitoring Agricultural Resources Unit, European Commission Joint Research Centre, Ispra Varese, Italy","Inst. for Environ. & Sustainability, Eur. Comm. Joint Res. Centre, Ispra, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Environment and Sustainability, Monitoring Agricultural Resources Unit, European Commission Joint Research Centre, Ispra Varese, Italy","institution_ids":["https://openalex.org/I2800387288","https://openalex.org/I4210118689"]},{"raw_affiliation_string":"Inst. for Environ. & Sustainability, Eur. Comm. Joint Res. Centre, Ispra, Italy","institution_ids":["https://openalex.org/I4210118689"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":10.5515,"has_fulltext":false,"cited_by_count":61,"citation_normalized_percentile":{"value":0.98239473,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"22","issue":"3","first_page":"474","last_page":"485"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10637","display_name":"Advanced Clustering Algorithms Research","score":0.996999979019165,"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":0.996999979019165,"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/T10064","display_name":"Complex Network Analysis Techniques","score":0.9775000214576721,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10824","display_name":"Image Retrieval and Classification Techniques","score":0.9769999980926514,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/cluster-analysis","display_name":"Cluster analysis","score":0.7977198362350464},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7345308661460876},{"id":"https://openalex.org/keywords/hierarchical-clustering","display_name":"Hierarchical clustering","score":0.6884121894836426},{"id":"https://openalex.org/keywords/visualization","display_name":"Visualization","score":0.5834717750549316},{"id":"https://openalex.org/keywords/single-linkage-clustering","display_name":"Single-linkage clustering","score":0.5786235332489014},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.5471951961517334},{"id":"https://openalex.org/keywords/brown-clustering","display_name":"Brown clustering","score":0.5445892214775085},{"id":"https://openalex.org/keywords/distance-matrix","display_name":"Distance matrix","score":0.44022226333618164},{"id":"https://openalex.org/keywords/correlation-clustering","display_name":"Correlation clustering","score":0.4367445111274719},{"id":"https://openalex.org/keywords/fuzzy-clustering","display_name":"Fuzzy clustering","score":0.42173928022384644},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.39656078815460205},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3593178391456604},{"id":"https://openalex.org/keywords/canopy-clustering-algorithm","display_name":"Canopy clustering algorithm","score":0.35366079211235046},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.14023065567016602}],"concepts":[{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.7977198362350464},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7345308661460876},{"id":"https://openalex.org/C92835128","wikidata":"https://www.wikidata.org/wiki/Q1277447","display_name":"Hierarchical clustering","level":3,"score":0.6884121894836426},{"id":"https://openalex.org/C36464697","wikidata":"https://www.wikidata.org/wiki/Q451553","display_name":"Visualization","level":2,"score":0.5834717750549316},{"id":"https://openalex.org/C22648726","wikidata":"https://www.wikidata.org/wiki/Q7523744","display_name":"Single-linkage clustering","level":5,"score":0.5786235332489014},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.5471951961517334},{"id":"https://openalex.org/C167984511","wikidata":"https://www.wikidata.org/wiki/Q17003931","display_name":"Brown clustering","level":5,"score":0.5445892214775085},{"id":"https://openalex.org/C111208986","wikidata":"https://www.wikidata.org/wiki/Q901698","display_name":"Distance matrix","level":2,"score":0.44022226333618164},{"id":"https://openalex.org/C94641424","wikidata":"https://www.wikidata.org/wiki/Q5172845","display_name":"Correlation clustering","level":3,"score":0.4367445111274719},{"id":"https://openalex.org/C17212007","wikidata":"https://www.wikidata.org/wiki/Q5511111","display_name":"Fuzzy clustering","level":3,"score":0.42173928022384644},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.39656078815460205},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3593178391456604},{"id":"https://openalex.org/C104047586","wikidata":"https://www.wikidata.org/wiki/Q5033439","display_name":"Canopy clustering algorithm","level":4,"score":0.35366079211235046},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.14023065567016602}],"mesh":[{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D001185","descriptor_name":"Artificial Intelligence","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D001185","descriptor_name":"Artificial Intelligence","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D001185","descriptor_name":"Artificial Intelligence","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D003198","descriptor_name":"Computer Simulation","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D003198","descriptor_name":"Computer Simulation","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D003198","descriptor_name":"Computer Simulation","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007091","descriptor_name":"Image Processing, Computer-Assisted","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D007091","descriptor_name":"Image Processing, Computer-Assisted","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D007091","descriptor_name":"Image Processing, Computer-Assisted","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D008377","descriptor_name":"Maps as Topic","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D008377","descriptor_name":"Maps as Topic","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D008377","descriptor_name":"Maps as Topic","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D010363","descriptor_name":"Pattern Recognition, Automated","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D010363","descriptor_name":"Pattern Recognition, Automated","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D010363","descriptor_name":"Pattern Recognition, Automated","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D016571","descriptor_name":"Neural Networks, Computer","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D016571","descriptor_name":"Neural Networks, Computer","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D016571","descriptor_name":"Neural Networks, Computer","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D025341","descriptor_name":"Principal Component Analysis","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D025341","descriptor_name":"Principal Component Analysis","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D025341","descriptor_name":"Principal Component Analysis","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false}],"locations_count":3,"locations":[{"id":"doi:10.1109/tnn.2011.2107527","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tnn.2011.2107527","pdf_url":null,"source":{"id":"https://openalex.org/S42080949","display_name":"IEEE Transactions on Neural Networks","issn_l":"1045-9227","issn":["1045-9227","1941-0093"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Neural Networks","raw_type":"journal-article"},{"id":"pmid:21356611","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/21356611","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE transactions on neural networks","raw_type":null},{"id":"pmh:oai:publications.jrc.ec.europa.eu:JRC62773","is_oa":false,"landing_page_url":"http://publications.jrc.ec.europa.eu/repository/handle/JRC62773","pdf_url":null,"source":{"id":"https://openalex.org/S4306401126","display_name":"Joint Research Centre (European Commission)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I2800387288","host_organization_name":"European Commission","host_organization_lineage":["https://openalex.org/I2800387288"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Articles in Journals"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":40,"referenced_works":["https://openalex.org/W17418856","https://openalex.org/W154082372","https://openalex.org/W1493454437","https://openalex.org/W1508021589","https://openalex.org/W1517516770","https://openalex.org/W1532325895","https://openalex.org/W1596537840","https://openalex.org/W1974517317","https://openalex.org/W1975152892","https://openalex.org/W1976755304","https://openalex.org/W1983753875","https://openalex.org/W2040929534","https://openalex.org/W2047555270","https://openalex.org/W2047870719","https://openalex.org/W2051224630","https://openalex.org/W2059619493","https://openalex.org/W2060979493","https://openalex.org/W2075353926","https://openalex.org/W2083686278","https://openalex.org/W2084212577","https://openalex.org/W2085487226","https://openalex.org/W2088709281","https://openalex.org/W2098515641","https://openalex.org/W2107317146","https://openalex.org/W2110802877","https://openalex.org/W2112404783","https://openalex.org/W2119019914","https://openalex.org/W2128999403","https://openalex.org/W2142363274","https://openalex.org/W2142635246","https://openalex.org/W2155074104","https://openalex.org/W2165948731","https://openalex.org/W2168175751","https://openalex.org/W2171975443","https://openalex.org/W3023708208","https://openalex.org/W4213009331","https://openalex.org/W4237222446","https://openalex.org/W6600691717","https://openalex.org/W6606292067","https://openalex.org/W6630520564"],"related_works":["https://openalex.org/W2160785859","https://openalex.org/W2622412490","https://openalex.org/W2087424554","https://openalex.org/W2385630304","https://openalex.org/W1957537378","https://openalex.org/W2101637161","https://openalex.org/W4241767317","https://openalex.org/W2384052049","https://openalex.org/W2353797829","https://openalex.org/W3140018618"],"abstract_inverted_index":{"A":[0,55],"powerful":[1],"method":[2,90],"in":[3,127],"the":[4,27,48,51,65,103,118,124],"analysis":[5],"of":[6,29,99,105],"datasets":[7,125],"where":[8],"there":[9],"are":[10,43],"many":[11],"natural":[12],"clusters":[13,49,106],"with":[14],"varying":[15],"statistics":[16],"such":[17,37],"as":[18,38],"different":[19],"sizes,":[20],"shapes,":[21],"density":[22],"distribution,":[23],"overlaps,":[24],"etc.,":[25],"is":[26,94],"use":[28],"self-organizing":[30],"maps":[31],"(SOMs).":[32],"However,":[33],"further":[34],"processing":[35],"tools,":[36],"visualization":[39,57],"and":[40,60],"interactive":[41,62],"clustering,":[42],"often":[44],"necessary":[45],"to":[46],"capture":[47],"from":[50],"learned":[52],"SOM":[53,69],"knowledge.":[54],"recent":[56],"scheme":[58],"(CONNvis)":[59],"its":[61],"clustering":[63,89,98,132,139],"utilize":[64],"data":[66],"topology":[67],"for":[68,91,123],"knowledge":[70,116],"representation":[71],"by":[72,108,114],"using":[73,109],"a":[74,95],"connectivity":[75],"matrix":[76],"(a":[77],"weighted":[78],"Delaunay":[79],"graph),":[80],"CONN.":[81,100],"In":[82],"this":[83,128],"paper,":[84,129],"we":[85],"propose":[86],"an":[87],"automated":[88],"SOMs,":[92],"which":[93],"hierarchical":[96,131,138],"agglomerative":[97],"We":[101,120],"determine":[102],"number":[104],"either":[107],"cluster":[110],"validity":[111],"indices":[112],"or":[113],"prior":[115],"on":[117,142],"datasets.":[119],"show":[121],"that,":[122],"used":[126],"data-topology-based":[130],"can":[133],"produce":[134],"better":[135],"partitioning":[136],"than":[137],"based":[140],"solely":[141],"distance":[143],"information.":[144]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":5},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":7},{"year":2016,"cited_by_count":4},{"year":2015,"cited_by_count":7},{"year":2014,"cited_by_count":8},{"year":2013,"cited_by_count":6},{"year":2012,"cited_by_count":6}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}