{"id":"https://openalex.org/W7132857033","doi":"https://doi.org/10.1016/j.simpa.2026.100830","title":"FastKPP: An exact accelerated k-means++ algorithmImage 999","display_name":"FastKPP: An exact accelerated k-means++ algorithmImage 999","publication_year":2026,"publication_date":"2026-02-28","ids":{"openalex":"https://openalex.org/W7132857033","doi":"https://doi.org/10.1016/j.simpa.2026.100830"},"language":"en","primary_location":{"id":"doi:10.1016/j.simpa.2026.100830","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.simpa.2026.100830","pdf_url":null,"source":{"id":"https://openalex.org/S4210180398","display_name":"Software Impacts","issn_l":"2665-9638","issn":["2665-9638"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Software Impacts","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1016/j.simpa.2026.100830","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5019374060","display_name":"Guillem Rodr\u00edguez Corominas","orcid":"https://orcid.org/0000-0002-3863-2017"},"institutions":[{"id":"https://openalex.org/I4210131846","display_name":"Artificial Intelligence Research Institute","ror":"https://ror.org/03c0ach84","country_code":"ES","type":"facility","lineage":["https://openalex.org/I134820265","https://openalex.org/I4210131846"]},{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"Guillem Rodr\u00edguez-Corominas","raw_affiliation_strings":["Artificial Intelligence Research Institute (IIIA-CSIC), Bellaterra, Spain","Universitat Polit\u00e8cnica de Catalunya (UPC), Barcelona, Spain"],"raw_orcid":"https://orcid.org/0000-0002-3863-2017","affiliations":[{"raw_affiliation_string":"Artificial Intelligence Research Institute (IIIA-CSIC), Bellaterra, Spain","institution_ids":["https://openalex.org/I4210131846"]},{"raw_affiliation_string":"Universitat Polit\u00e8cnica de Catalunya (UPC), Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043499010","display_name":"Maria Jose Blesa","orcid":null},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Maria J. Blesa","raw_affiliation_strings":["Universitat Polit\u00e8cnica de Catalunya (UPC), Barcelona, Catalonia, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universitat Polit\u00e8cnica de Catalunya (UPC), Barcelona, Catalonia, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5003063095","display_name":"Christian Blum","orcid":"https://orcid.org/0000-0002-6524-2495"},"institutions":[{"id":"https://openalex.org/I4210131846","display_name":"Artificial Intelligence Research Institute","ror":"https://ror.org/03c0ach84","country_code":"ES","type":"facility","lineage":["https://openalex.org/I134820265","https://openalex.org/I4210131846"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Christian Blum","raw_affiliation_strings":["Artificial Intelligence Research Institute (IIIA-CSIC), Bellaterra, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Artificial Intelligence Research Institute (IIIA-CSIC), Bellaterra, Spain","institution_ids":["https://openalex.org/I4210131846"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5019374060"],"corresponding_institution_ids":["https://openalex.org/I4210131846","https://openalex.org/I9617848"],"apc_list":{"value":260,"currency":"USD","value_usd":260},"apc_paid":{"value":260,"currency":"USD","value_usd":260},"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.23279817,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"28","issue":null,"first_page":"100830","last_page":"100830"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11106","display_name":"Data Management and Algorithms","score":0.10499999672174454,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T11106","display_name":"Data Management and Algorithms","score":0.10499999672174454,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T10637","display_name":"Advanced Clustering Algorithms Research","score":0.06260000169277191,"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/T10317","display_name":"Advanced Database Systems and Queries","score":0.04639999940991402,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/acceleration","display_name":"Acceleration","score":0.6432999968528748},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.6047000288963318},{"id":"https://openalex.org/keywords/norm","display_name":"Norm (philosophy)","score":0.5400999784469604},{"id":"https://openalex.org/keywords/code","display_name":"Code (set theory)","score":0.43849998712539673},{"id":"https://openalex.org/keywords/source-code","display_name":"Source code","score":0.42820000648498535},{"id":"https://openalex.org/keywords/point","display_name":"Point (geometry)","score":0.42570000886917114},{"id":"https://openalex.org/keywords/triangle-inequality","display_name":"Triangle inequality","score":0.3986999988555908}],"concepts":[{"id":"https://openalex.org/C117896860","wikidata":"https://www.wikidata.org/wiki/Q11376","display_name":"Acceleration","level":2,"score":0.6432999968528748},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.63919997215271},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.6047000288963318},{"id":"https://openalex.org/C191795146","wikidata":"https://www.wikidata.org/wiki/Q3878446","display_name":"Norm (philosophy)","level":2,"score":0.5400999784469604},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.49149999022483826},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.43849998712539673},{"id":"https://openalex.org/C43126263","wikidata":"https://www.wikidata.org/wiki/Q128751","display_name":"Source code","level":2,"score":0.42820000648498535},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.42570000886917114},{"id":"https://openalex.org/C182964748","wikidata":"https://www.wikidata.org/wiki/Q208216","display_name":"Triangle inequality","level":2,"score":0.3986999988555908},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3953000009059906},{"id":"https://openalex.org/C110121322","wikidata":"https://www.wikidata.org/wiki/Q865811","display_name":"Distribution (mathematics)","level":2,"score":0.34130001068115234},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.3280999958515167},{"id":"https://openalex.org/C140779682","wikidata":"https://www.wikidata.org/wiki/Q210868","display_name":"Sampling (signal processing)","level":3,"score":0.32749998569488525},{"id":"https://openalex.org/C149441793","wikidata":"https://www.wikidata.org/wiki/Q200726","display_name":"Probability distribution","level":2,"score":0.31310001015663147},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3109000027179718},{"id":"https://openalex.org/C520416788","wikidata":"https://www.wikidata.org/wiki/Q5419229","display_name":"Exact solutions in general relativity","level":2,"score":0.28929999470710754},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.26809999346733093},{"id":"https://openalex.org/C148764684","wikidata":"https://www.wikidata.org/wiki/Q621751","display_name":"Approximation algorithm","level":2,"score":0.2680000066757202},{"id":"https://openalex.org/C3017489831","wikidata":"https://www.wikidata.org/wiki/Q2393193","display_name":"Running time","level":2,"score":0.262800008058548}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1016/j.simpa.2026.100830","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.simpa.2026.100830","pdf_url":null,"source":{"id":"https://openalex.org/S4210180398","display_name":"Software Impacts","issn_l":"2665-9638","issn":["2665-9638"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Software Impacts","raw_type":"journal-article"},{"id":"pmh:oai:digital.csic.es:10261/440205","is_oa":true,"landing_page_url":"http://hdl.handle.net/10261/440205","pdf_url":null,"source":{"id":"https://openalex.org/S4306400616","display_name":"DIGITAL.CSIC (Spanish National Research Council (CSIC))","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I134820265","host_organization_name":"Consejo Superior de Investigaciones Cient\u00edficas","host_organization_lineage":["https://openalex.org/I134820265"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:upcommons.upc.edu:2117/460631","is_oa":true,"landing_page_url":"https://hdl.handle.net/2117/460631","pdf_url":null,"source":{"id":"https://openalex.org/S4377196262","display_name":"UPCommons institutional repository (Universitat Polit\u00e8cnica de Catalunya)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I9617848","host_organization_name":"Universitat Polit\u00e8cnica de Catalunya","host_organization_lineage":["https://openalex.org/I9617848"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"}],"best_oa_location":{"id":"doi:10.1016/j.simpa.2026.100830","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.simpa.2026.100830","pdf_url":null,"source":{"id":"https://openalex.org/S4210180398","display_name":"Software Impacts","issn_l":"2665-9638","issn":["2665-9638"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Software Impacts","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2322467035","display_name":null,"funder_award_id":"PID-2020-112581GB-C21","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G4749977292","display_name":null,"funder_award_id":"PID2022-136787NB-I00","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G5470535847","display_name":null,"funder_award_id":"PID2022-136787NB-I00","funder_id":"https://openalex.org/F4320335598","funder_display_name":"Agencia Estatal de Investigaci\u00f3n"},{"id":"https://openalex.org/G6987569140","display_name":null,"funder_award_id":"2022 FI_B 00903","funder_id":"https://openalex.org/F4320334830","funder_display_name":"Ag\u00e8ncia de Gesti\u00f3 d'Ajuts Universitaris i de Recerca"},{"id":"https://openalex.org/G7847464687","display_name":null,"funder_award_id":"MMT24-IIIA-02","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"}],"funders":[{"id":"https://openalex.org/F4320320300","display_name":"European Commission","ror":"https://ror.org/00k4n6c32"},{"id":"https://openalex.org/F4320321505","display_name":"Generalitat de Catalunya","ror":"https://ror.org/01bg62x04"},{"id":"https://openalex.org/F4320334830","display_name":"Ag\u00e8ncia de Gesti\u00f3 d'Ajuts Universitaris i de Recerca","ror":"https://ror.org/01n4pqe45"},{"id":"https://openalex.org/F4320335598","display_name":"Agencia Estatal de Investigaci\u00f3n","ror":null},{"id":"https://openalex.org/F4320338080","display_name":"European Social Fund","ror":"https://ror.org/00k4n6c32"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W170122336","https://openalex.org/W1622263187","https://openalex.org/W1982414171","https://openalex.org/W2022851810","https://openalex.org/W2035729201","https://openalex.org/W2043877001","https://openalex.org/W2061521613","https://openalex.org/W2074470766","https://openalex.org/W2086959852","https://openalex.org/W2112796928","https://openalex.org/W2125621954","https://openalex.org/W2150593711","https://openalex.org/W2940320374","https://openalex.org/W3187829043","https://openalex.org/W3207974361","https://openalex.org/W4321497988","https://openalex.org/W4409494232"],"related_works":[],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3],"present":[4],"FastKpp":[5,85],",":[6],"a":[7,53,56,60],"C++":[8,153],"implementation":[9],"of":[10,128],"an":[11],"exact":[12,89],"accelerated":[13],"k":[14,76,123],"-means":[15],"+":[16,17],"algorithm":[18],"using":[19],"two":[20],"geometry-aware":[21],"filters:":[22],"one":[23],"based":[24,32],"on":[25,33],"the":[26,39,96,126,140],"Triangle":[27],"Inequality":[28],"(TIE)":[29],"and":[30,59,71,82,100,110,158],"another":[31],"point":[34],"norms.":[35],"Both":[36],"provably":[37],"preserve":[38],"original":[40],"D":[41,114],"2":[42,81,115],"sampling":[43],"distribution":[44],"while":[45,139],"avoiding":[46],"redundant":[47],"distance":[48,69,129],"computations.":[49],"The":[50,132],"library":[51,154],"provides":[52],"header-only":[54],"API,":[55],"command-line":[57],"tool,":[58],"fully":[61],"reproducible":[62,94],"capsule.":[63,103],"Experiments":[64],"show":[65],"substantial":[66],"reductions":[67],"in":[68,136,144],"computations":[70],"speedups":[72,119],"that":[73,120],"increase":[74,121],"with":[75,108,122,147,155],"(with":[77],"typical":[78],"median":[79],"between":[80],"8).":[83],"Furthermore,":[84],"outperforms":[86],"other":[87],"state-of-the-art":[88],"acceleration":[90,107],"techniques.":[91],"Results":[92],"are":[93],"via":[95],"public":[97],"GitHub":[98],"repository":[99],"Code":[101],"Ocean":[102],"\u2022":[104,117,131,151,160],"Exact":[105],"k-means++":[106],"TIE":[109,133],"norm":[111,149],"filters":[112],"preserving":[113],"sampling.":[116],"Large":[118],"by":[124],"reducing":[125],"number":[127],"evaluations.":[130],"version":[134,142],"excels":[135],"low":[137],"dimensions,":[138],"TIE+Norm":[141],"leads":[143],"high-dimensional":[145],"data":[146],"high":[148],"variance.":[150],"Header-only":[152],"drop-in":[156],"API":[157],"CLI.":[159],"Tight":[161],"per-point":[162],"lower":[163],"bounds":[164],"computed":[165],"during":[166],"seeding":[167],"for":[168],"later":[169],"k-means":[170],"accelerations.":[171]},"counts_by_year":[],"updated_date":"2026-07-31T08:31:51.225901","created_date":"2026-03-01T00:00:00"}