{"id":"https://openalex.org/W4402363935","doi":"https://doi.org/10.14428/esann/2024.es2024-146","title":"Forget early exaggeration in t-SNE: early hierarchization preserves global structure","display_name":"Forget early exaggeration in t-SNE: early hierarchization preserves global structure","publication_year":2024,"publication_date":"2024-01-01","ids":{"openalex":"https://openalex.org/W4402363935","doi":"https://doi.org/10.14428/esann/2024.es2024-146"},"language":"en","primary_location":{"id":"doi:10.14428/esann/2024.es2024-146","is_oa":true,"landing_page_url":"http://doi.org/10.14428/esann/2024.es2024-146","pdf_url":"http://dx.doi.org/10.14428/esann/2024.es2024-146","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ESANN 2024 proceesdings","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"http://dx.doi.org/10.14428/esann/2024.es2024-146","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5045101148","display_name":"John Chi\u2010Kin Lee","orcid":"https://orcid.org/0000-0002-3235-0967"},"institutions":[{"id":"https://openalex.org/I95674353","display_name":"UCLouvain","ror":"https://ror.org/02495e989","country_code":"BE","type":"education","lineage":["https://openalex.org/I95674353"]}],"countries":["BE"],"is_corresponding":true,"raw_author_name":"Lee John","raw_affiliation_strings":["UCL - Universit\u00e9 Catholique de Louvain = Catholic University of Louvain (Place de l'Universit\u00e9 1 - 1348 Louvain-La-Neuve - Belgique)"],"affiliations":[{"raw_affiliation_string":"UCL - Universit\u00e9 Catholique de Louvain = Catholic University of Louvain (Place de l'Universit\u00e9 1 - 1348 Louvain-La-Neuve - Belgique)","institution_ids":["https://openalex.org/I95674353"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5092891746","display_name":"Edouard Couplet","orcid":null},"institutions":[{"id":"https://openalex.org/I95674353","display_name":"UCLouvain","ror":"https://ror.org/02495e989","country_code":"BE","type":"education","lineage":["https://openalex.org/I95674353"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Edouard Couplet","raw_affiliation_strings":["UCL - Universit\u00e9 Catholique de Louvain = Catholic University of Louvain (Place de l'Universit\u00e9 1 - 1348 Louvain-La-Neuve - Belgique)"],"affiliations":[{"raw_affiliation_string":"UCL - Universit\u00e9 Catholique de Louvain = Catholic University of Louvain (Place de l'Universit\u00e9 1 - 1348 Louvain-La-Neuve - Belgique)","institution_ids":["https://openalex.org/I95674353"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027485479","display_name":"Pierre Lambert","orcid":"https://orcid.org/0000-0001-7604-0584"},"institutions":[{"id":"https://openalex.org/I95674353","display_name":"UCLouvain","ror":"https://ror.org/02495e989","country_code":"BE","type":"education","lineage":["https://openalex.org/I95674353"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Pierre Lambert","raw_affiliation_strings":["UCL - Universit\u00e9 Catholique de Louvain = Catholic University of Louvain (Place de l'Universit\u00e9 1 - 1348 Louvain-La-Neuve - Belgique)"],"affiliations":[{"raw_affiliation_string":"UCL - Universit\u00e9 Catholique de Louvain = Catholic University of Louvain (Place de l'Universit\u00e9 1 - 1348 Louvain-La-Neuve - Belgique)","institution_ids":["https://openalex.org/I95674353"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5107098871","display_name":"Ludovic Journaux","orcid":null},"institutions":[{"id":"https://openalex.org/I4210135996","display_name":"Institut Agro Dijon","ror":"https://ror.org/03zek0r74","country_code":"FR","type":"other","lineage":["https://openalex.org/I4210117091","https://openalex.org/I4210135996","https://openalex.org/I4399657933"]},{"id":"https://openalex.org/I4387155724","display_name":"Laboratoire d'Informatique de Bourgogne","ror":"https://ror.org/038kqx890","country_code":"FR","type":"facility","lineage":["https://openalex.org/I4387155724","https://openalex.org/I4405253280"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Ludovic Journaux","raw_affiliation_strings":["LIB - Laboratoire d'Informatique de Bourgogne [Dijon] (UFR Sciences et Techniques\r\n9 Avenue Alain Savary\r\nBP 47870\r\n21078 DIJON CEDEX - France)","Institut Agro Dijon (26 Boulevard du Dr Petitjean - BP 87999 - 21079 Dijon cedex - France)"],"affiliations":[{"raw_affiliation_string":"LIB - Laboratoire d'Informatique de Bourgogne [Dijon] (UFR Sciences et Techniques\r\n9 Avenue Alain Savary\r\nBP 47870\r\n21078 DIJON CEDEX - France)","institution_ids":["https://openalex.org/I4387155724"]},{"raw_affiliation_string":"Institut Agro Dijon (26 Boulevard du Dr Petitjean - BP 87999 - 21079 Dijon cedex - France)","institution_ids":["https://openalex.org/I4210135996"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067144586","display_name":"Dounia Mulders","orcid":"https://orcid.org/0000-0003-4855-5331"},"institutions":[{"id":"https://openalex.org/I95674353","display_name":"UCLouvain","ror":"https://ror.org/02495e989","country_code":"BE","type":"education","lineage":["https://openalex.org/I95674353"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Dounia Mulders","raw_affiliation_strings":["UCL - Universit\u00e9 Catholique de Louvain = Catholic University of Louvain (Place de l'Universit\u00e9 1 - 1348 Louvain-La-Neuve - Belgique)"],"affiliations":[{"raw_affiliation_string":"UCL - Universit\u00e9 Catholique de Louvain = Catholic University of Louvain (Place de l'Universit\u00e9 1 - 1348 Louvain-La-Neuve - Belgique)","institution_ids":["https://openalex.org/I95674353"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5070860957","display_name":"Cyril de Bodt","orcid":"https://orcid.org/0000-0003-2347-1756"},"institutions":[{"id":"https://openalex.org/I95674353","display_name":"UCLouvain","ror":"https://ror.org/02495e989","country_code":"BE","type":"education","lineage":["https://openalex.org/I95674353"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Cyril de Bodt","raw_affiliation_strings":["UCL - Universit\u00e9 Catholique de Louvain = Catholic University of Louvain (Place de l'Universit\u00e9 1 - 1348 Louvain-La-Neuve - Belgique)"],"affiliations":[{"raw_affiliation_string":"UCL - Universit\u00e9 Catholique de Louvain = Catholic University of Louvain (Place de l'Universit\u00e9 1 - 1348 Louvain-La-Neuve - Belgique)","institution_ids":["https://openalex.org/I95674353"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5009959388","display_name":"Michel Verleysen","orcid":"https://orcid.org/0000-0003-4366-6155"},"institutions":[{"id":"https://openalex.org/I95674353","display_name":"UCLouvain","ror":"https://ror.org/02495e989","country_code":"BE","type":"education","lineage":["https://openalex.org/I95674353"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Michel Verleysen","raw_affiliation_strings":["UCL - Universit\u00e9 Catholique de Louvain = Catholic University of Louvain (Place de l'Universit\u00e9 1 - 1348 Louvain-La-Neuve - Belgique)"],"affiliations":[{"raw_affiliation_string":"UCL - Universit\u00e9 Catholique de Louvain = Catholic University of Louvain (Place de l'Universit\u00e9 1 - 1348 Louvain-La-Neuve - Belgique)","institution_ids":["https://openalex.org/I95674353"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5045101148"],"corresponding_institution_ids":["https://openalex.org/I95674353"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.14588793,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"321","last_page":"326"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10054","display_name":"Parallel Computing and Optimization Techniques","score":0.833299994468689,"subfield":{"id":"https://openalex.org/subfields/1708","display_name":"Hardware and Architecture"},"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/T10054","display_name":"Parallel Computing and Optimization Techniques","score":0.833299994468689,"subfield":{"id":"https://openalex.org/subfields/1708","display_name":"Hardware and Architecture"},"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/exaggeration","display_name":"Exaggeration","score":0.9124943017959595},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.43703943490982056},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.22682812809944153}],"concepts":[{"id":"https://openalex.org/C2777003408","wikidata":"https://www.wikidata.org/wiki/Q5419252","display_name":"Exaggeration","level":2,"score":0.9124943017959595},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.43703943490982056},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.22682812809944153},{"id":"https://openalex.org/C118552586","wikidata":"https://www.wikidata.org/wiki/Q7867","display_name":"Psychiatry","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.14428/esann/2024.es2024-146","is_oa":true,"landing_page_url":"http://doi.org/10.14428/esann/2024.es2024-146","pdf_url":"http://dx.doi.org/10.14428/esann/2024.es2024-146","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ESANN 2024 proceesdings","raw_type":"proceedings-article"},{"id":"pmh:oai:HAL:hal-05008582v1","is_oa":true,"landing_page_url":"https://institut-agro-dijon.hal.science/hal-05008582","pdf_url":"https://institut-agro-dijon.hal.science/hal-05008582/document","source":{"id":"https://openalex.org/S4406922461","display_name":"SPIRE - Sciences Po Institutional REpository","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ESANN 2024 - 32nd European Symposium on Artificial Neural Networks, Computational Intelligence and Machine Learning, Oct 2024, Bruges, Belgium. pp.321-326, ⟨10.14428/esann/2024.ES2024-146⟩","raw_type":"Conference papers"}],"best_oa_location":{"id":"doi:10.14428/esann/2024.es2024-146","is_oa":true,"landing_page_url":"http://doi.org/10.14428/esann/2024.es2024-146","pdf_url":"http://dx.doi.org/10.14428/esann/2024.es2024-146","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ESANN 2024 proceesdings","raw_type":"proceedings-article"},"sustainable_development_goals":[{"score":0.6800000071525574,"id":"https://metadata.un.org/sdg/13","display_name":"Climate action"}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4402363935.pdf","grobid_xml":"https://content.openalex.org/works/W4402363935.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2748952813","https://openalex.org/W3081908777","https://openalex.org/W2910051094","https://openalex.org/W789364040","https://openalex.org/W2365101699","https://openalex.org/W2372549685","https://openalex.org/W2153381665","https://openalex.org/W2018583780","https://openalex.org/W2428231177"],"abstract_inverted_index":{"As":[0],"a":[1,74,88],"local":[2],"method":[3,144,149],"of":[4,63,77,95,140,150],"dimensionality":[5],"reduction,":[6],"t-SNE":[7,78,96],"requires":[8],"careful":[9],"initialization":[10,76],"in":[11,42,109],"order":[12],"to":[13,19,58,130],"preserve":[14],"the":[15,20,25,39,45,84,106,126,133,138,141],"data":[16,85],"global":[17],"structure":[18],"best":[21],"extent.In":[22],"regular":[23],"t-SNE,":[24],"low-dimensional":[26],"embedding":[27,40,127,152],"is":[28,79,113,128,145],"initialized":[29],"either":[30],"randomly":[31],"or":[32],"with":[33,97,120,147],"PCA;":[34],"next,":[35],"gradient":[36],"descent":[37],"refines":[38],"coordinates":[41,164],"two":[43,104,117],"phases.In":[44],"first":[46],"one,":[47],"called":[48],"early":[49,157],"exaggeration,":[50],"attractive":[51],"forces":[52,65],"between":[53],"points":[54,67,86],"are":[55,68],"artificially":[56],"strengthened":[57],"delay":[59],"any":[60,148],"detrimental":[61],"effect":[62],"repulsive":[64],"while":[66],"still":[69],"poorly":[70],"organized.In":[71],"this":[72],"paper,":[73],"novel":[75],"proposed.It":[80],"works":[81],"by":[82],"hierarchizing":[83],"into":[87,115],"space-partitioning":[89],"binary":[90],"tree":[91,111],"and":[92,125,162],"successive":[93],"runs":[94],"4,":[98],"8,":[99],"16,":[100],"...,":[101],"N":[102],"points.Between":[103],"runs,":[105],"prototypical":[107],"point":[108],"each":[110],"branch":[112],"split":[114],"its":[116],"children":[118],"prototypes,":[119],"some":[121],"little":[122],"random":[123],"noise,":[124],"rescaled":[129],"account":[131],"for":[132],"increased":[134],"population.Experimental":[135],"results":[136],"show":[137],"effectiveness":[139],"method.The":[142],"proposed":[143],"compatible":[146],"neighbor":[151],"(t-SNE,":[153],"UMAP,":[154],"etc.)":[155],"provided":[156],"exaggeration":[158],"can":[159,165],"be":[160,166],"disabled":[161],"initial":[163],"fed":[167],"into.":[168]},"counts_by_year":[],"updated_date":"2026-03-10T14:07:55.174380","created_date":"2024-09-10T00:00:00"}