{"id":"https://openalex.org/W4411232428","doi":"https://doi.org/10.1109/jstsp.2025.3579651","title":"PARAFAC2-Based Coupled Matrix and Tensor Factorizations With Constraints","display_name":"PARAFAC2-Based Coupled Matrix and Tensor Factorizations With Constraints","publication_year":2025,"publication_date":"2025-06-12","ids":{"openalex":"https://openalex.org/W4411232428","doi":"https://doi.org/10.1109/jstsp.2025.3579651"},"language":"en","primary_location":{"id":"doi:10.1109/jstsp.2025.3579651","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstsp.2025.3579651","pdf_url":null,"source":{"id":"https://openalex.org/S42167783","display_name":"IEEE Journal of Selected Topics in Signal Processing","issn_l":"1932-4553","issn":["1932-4553","1941-0484"],"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 Journal of Selected Topics in Signal Processing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"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/A5042785751","display_name":"Carla Schenker","orcid":"https://orcid.org/0000-0001-6234-7569"},"institutions":[{"id":"https://openalex.org/I4210153474","display_name":"Simula Metropolitan Center for Digital Engineering","ror":"https://ror.org/04xtarr15","country_code":"NO","type":"nonprofit","lineage":["https://openalex.org/I184531372","https://openalex.org/I2799829267","https://openalex.org/I4210153474"]}],"countries":["NO"],"is_corresponding":true,"raw_author_name":"Carla Schenker","raw_affiliation_strings":["Simula Metropolitan Center for Digital Engineering, Oslo, Norway"],"raw_orcid":"https://orcid.org/0000-0001-6234-7569","affiliations":[{"raw_affiliation_string":"Simula Metropolitan Center for Digital Engineering, Oslo, Norway","institution_ids":["https://openalex.org/I4210153474"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014199804","display_name":"Xiulin Wang","orcid":"https://orcid.org/0000-0002-8884-0973"},"institutions":[{"id":"https://openalex.org/I191996457","display_name":"Dalian Medical University","ror":"https://ror.org/04c8eg608","country_code":"CN","type":"education","lineage":["https://openalex.org/I191996457"]},{"id":"https://openalex.org/I4210140813","display_name":"First Affiliated Hospital of Dalian Medical University","ror":"https://ror.org/055w74b96","country_code":"CN","type":"healthcare","lineage":["https://openalex.org/I4210140813"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiulin Wang","raw_affiliation_strings":["First Affiliated Hospital, Dalian Medical University, Dalian, China","Hospital of Dalian Medical University, Dalian, China"],"raw_orcid":"https://orcid.org/0000-0002-8884-0973","affiliations":[{"raw_affiliation_string":"First Affiliated Hospital, Dalian Medical University, Dalian, China","institution_ids":["https://openalex.org/I191996457","https://openalex.org/I4210140813"]},{"raw_affiliation_string":"Hospital of Dalian Medical University, Dalian, China","institution_ids":["https://openalex.org/I191996457"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042828641","display_name":"David A. Horner","orcid":"https://orcid.org/0000-0001-6532-1356"},"institutions":[{"id":"https://openalex.org/I2802582725","display_name":"Gentofte Hospital","ror":"https://ror.org/051dzw862","country_code":"DK","type":"healthcare","lineage":["https://openalex.org/I2802582725"]},{"id":"https://openalex.org/I4210123840","display_name":"Copenhagen Prospective Studies on Asthma in Childhood","ror":"https://ror.org/034zy7551","country_code":"DK","type":"facility","lineage":["https://openalex.org/I4210123840"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"David Horner","raw_affiliation_strings":["Copenhagen Studies on Asthma in Childhood (COPSAC), Herlev-Gentofte Hospital, Gentofte, Denmark","COPSAC: Copenhagen Studies on Asthma in Childhood, Herlev-Gentofte Hospital, Copenhagen, Denmark"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Copenhagen Studies on Asthma in Childhood (COPSAC), Herlev-Gentofte Hospital, Gentofte, Denmark","institution_ids":["https://openalex.org/I4210123840"]},{"raw_affiliation_string":"COPSAC: Copenhagen Studies on Asthma in Childhood, Herlev-Gentofte Hospital, Copenhagen, Denmark","institution_ids":["https://openalex.org/I4210123840","https://openalex.org/I2802582725"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050384418","display_name":"Morten Arendt Rasmussen","orcid":"https://orcid.org/0000-0001-7431-5206"},"institutions":[{"id":"https://openalex.org/I124055696","display_name":"University of Copenhagen","ror":"https://ror.org/035b05819","country_code":"DK","type":"education","lineage":["https://openalex.org/I124055696"]},{"id":"https://openalex.org/I2801150652","display_name":"Frederiksberg Hospital","ror":"https://ror.org/00d264c35","country_code":"DK","type":"healthcare","lineage":["https://openalex.org/I2801150652"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Morten A. Rasmussen","raw_affiliation_strings":["Department of Food Science, University of Copenhagen, Frederiksberg, Denmark","University of Copenhagen, Frederiksberg, Denmark"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Food Science, University of Copenhagen, Frederiksberg, Denmark","institution_ids":["https://openalex.org/I124055696"]},{"raw_affiliation_string":"University of Copenhagen, Frederiksberg, Denmark","institution_ids":["https://openalex.org/I2801150652","https://openalex.org/I124055696"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5046236337","display_name":"Evrim Acar","orcid":"https://orcid.org/0000-0002-3737-292X"},"institutions":[{"id":"https://openalex.org/I4210153474","display_name":"Simula Metropolitan Center for Digital Engineering","ror":"https://ror.org/04xtarr15","country_code":"NO","type":"nonprofit","lineage":["https://openalex.org/I184531372","https://openalex.org/I2799829267","https://openalex.org/I4210153474"]}],"countries":["NO"],"is_corresponding":false,"raw_author_name":"Evrim Acar","raw_affiliation_strings":["Simula Metropolitan Center for Digital Engineering, Oslo, Norway"],"raw_orcid":"https://orcid.org/0000-0002-3737-292X","affiliations":[{"raw_affiliation_string":"Simula Metropolitan Center for Digital Engineering, Oslo, Norway","institution_ids":["https://openalex.org/I4210153474"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5042785751"],"corresponding_institution_ids":["https://openalex.org/I4210153474"],"apc_list":null,"apc_paid":null,"fwci":1.4012,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.8020654,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":98},"biblio":{"volume":"19","issue":"7","first_page":"1461","last_page":"1476"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12303","display_name":"Tensor decomposition and applications","score":0.9812999963760376,"subfield":{"id":"https://openalex.org/subfields/2605","display_name":"Computational Mathematics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12303","display_name":"Tensor decomposition and applications","score":0.9812999963760376,"subfield":{"id":"https://openalex.org/subfields/2605","display_name":"Computational Mathematics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/tensor","display_name":"Tensor (intrinsic definition)","score":0.5667157769203186},{"id":"https://openalex.org/keywords/matrix","display_name":"Matrix (chemical analysis)","score":0.5080111026763916},{"id":"https://openalex.org/keywords/matrix-decomposition","display_name":"Matrix decomposition","score":0.4547902047634125},{"id":"https://openalex.org/keywords/algebra-over-a-field","display_name":"Algebra over a field","score":0.43280118703842163},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.42821332812309265},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3970631957054138},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.370025098323822},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.35738396644592285},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3352280259132385},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.2622884511947632},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.12887483835220337},{"id":"https://openalex.org/keywords/eigenvalues-and-eigenvectors","display_name":"Eigenvalues and eigenvectors","score":0.09494948387145996}],"concepts":[{"id":"https://openalex.org/C155281189","wikidata":"https://www.wikidata.org/wiki/Q3518150","display_name":"Tensor (intrinsic definition)","level":2,"score":0.5667157769203186},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.5080111026763916},{"id":"https://openalex.org/C42355184","wikidata":"https://www.wikidata.org/wiki/Q1361088","display_name":"Matrix decomposition","level":3,"score":0.4547902047634125},{"id":"https://openalex.org/C136119220","wikidata":"https://www.wikidata.org/wiki/Q1000660","display_name":"Algebra over a field","level":2,"score":0.43280118703842163},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.42821332812309265},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3970631957054138},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.370025098323822},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.35738396644592285},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3352280259132385},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.2622884511947632},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.12887483835220337},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.09494948387145996},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/jstsp.2025.3579651","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstsp.2025.3579651","pdf_url":null,"source":{"id":"https://openalex.org/S42167783","display_name":"IEEE Journal of Selected Topics in Signal Processing","issn_l":"1932-4553","issn":["1932-4553","1941-0484"],"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 Journal of Selected Topics in Signal Processing","raw_type":"journal-article"},{"id":"pmh:oai:pure.atira.dk:openaire_cris_publications/dc2d308f-fc3c-4583-95b0-f77de460db37","is_oa":false,"landing_page_url":"https://researchprofiles.ku.dk/da/publications/dc2d308f-fc3c-4583-95b0-f77de460db37","pdf_url":null,"source":{"id":"https://openalex.org/S4306401983","display_name":"Research at the University of Copenhagen (University of Copenhagen)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I124055696","host_organization_name":"University of Copenhagen","host_organization_lineage":["https://openalex.org/I124055696"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Schenker , C , Wang , X , Horner , D , Rasmussen , M A & Acar , E 2025 , ' PARAFAC2-Based Coupled Matrix and Tensor Factorizations With Constraints ' , IEEE Journal on Selected Topics in Signal Processing , vol. 19 , no. 7 , pp. 1461-1476 . https://doi.org/10.1109/JSTSP.2025.3579651","raw_type":"article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1949557574","display_name":null,"funder_award_id":"300489","funder_id":"https://openalex.org/F4320323299","funder_display_name":"Norges Forskningsr\u00e5d"}],"funders":[{"id":"https://openalex.org/F4320323299","display_name":"Norges Forskningsr\u00e5d","ror":"https://ror.org/00epmv149"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":57,"referenced_works":["https://openalex.org/W356012825","https://openalex.org/W1480059945","https://openalex.org/W1539811621","https://openalex.org/W1850275953","https://openalex.org/W1953936588","https://openalex.org/W1964121443","https://openalex.org/W1971752899","https://openalex.org/W1988083567","https://openalex.org/W2000215628","https://openalex.org/W2010928181","https://openalex.org/W2024165284","https://openalex.org/W2050016299","https://openalex.org/W2057503509","https://openalex.org/W2064321206","https://openalex.org/W2070013413","https://openalex.org/W2076566842","https://openalex.org/W2086261631","https://openalex.org/W2093492509","https://openalex.org/W2099388546","https://openalex.org/W2101815756","https://openalex.org/W2130852547","https://openalex.org/W2144351558","https://openalex.org/W2146508253","https://openalex.org/W2167838035","https://openalex.org/W2258054274","https://openalex.org/W2295220159","https://openalex.org/W2538746112","https://openalex.org/W2734770034","https://openalex.org/W2763081248","https://openalex.org/W2766824351","https://openalex.org/W2785676486","https://openalex.org/W2798016471","https://openalex.org/W2903132576","https://openalex.org/W2912675712","https://openalex.org/W2919437050","https://openalex.org/W2949982560","https://openalex.org/W2964343053","https://openalex.org/W2984741565","https://openalex.org/W3012523953","https://openalex.org/W3023205342","https://openalex.org/W3035408224","https://openalex.org/W3042828037","https://openalex.org/W3102892617","https://openalex.org/W3148279983","https://openalex.org/W3204697898","https://openalex.org/W4207065465","https://openalex.org/W4214916906","https://openalex.org/W4224320358","https://openalex.org/W4229972328","https://openalex.org/W4244393449","https://openalex.org/W4292363360","https://openalex.org/W4312258136","https://openalex.org/W4318776929","https://openalex.org/W4372266823","https://openalex.org/W4392379269","https://openalex.org/W4396770000","https://openalex.org/W4401049949"],"related_works":["https://openalex.org/W2539013788","https://openalex.org/W271909273","https://openalex.org/W2474230578","https://openalex.org/W4200278016","https://openalex.org/W2792706544","https://openalex.org/W1568451138","https://openalex.org/W1486448290","https://openalex.org/W4390394189","https://openalex.org/W2127243424","https://openalex.org/W2012593053"],"abstract_inverted_index":{"Data":[0],"fusion":[1],"models":[2,29,55,81,115],"based":[3,31],"on":[4,32,89,136,149],"Coupled":[5],"Matrix":[6],"and":[7,60,120,139,152,158,173],"Tensor":[8],"Factorizations":[9],"(CMTF)":[10],"have":[11,61,82],"been":[12,48],"effective":[13],"tools":[14],"for":[15,67],"joint":[16],"analysis":[17],"of":[18,27,86,94,125,160,171],"data":[19,70,154],"from":[20],"multiple":[21],"sources.":[22],"While":[23],"the":[24,33,42,90,121,156,161],"vast":[25],"majority":[26],"CMTF":[28,51,80,114],"are":[30],"strictly":[34],"multilinear":[35],"CANDECOMP/PARAFAC":[36],"(CP)":[37],"tensor":[38,54],"model,":[39],"recently":[40],"also":[41],"more":[43],"flexible":[44,108],"PARAFAC2":[45,53],"model":[46],"has":[47],"integrated":[49],"into":[50],"models.":[52],"can":[56],"handle":[57],"irregular/ragged":[58],"tensors":[59],"shown":[62],"to":[63,132,142],"be":[64],"especially":[65],"useful":[66],"modelling":[68],"dynamic":[69],"with":[71,177],"unaligned":[72],"or":[73,146],"irregular":[74],"time":[75],"profiles.":[76],"However,":[77],"existing":[78],"PARAFAC2-based":[79,113],"limitations":[83],"in":[84,102,169,175],"terms":[85,170],"possible":[87],"regularizations":[88],"factors":[91],"and/or":[92],"types":[93],"coupling":[95],"between":[96],"datasets.":[97],"To":[98],"address":[99],"these":[100],"limitations,":[101],"this":[103],"paper":[104],"we":[105],"introduce":[106],"a":[107],"algorithmic":[109],"framework":[110,130,163],"that":[111],"fits":[112],"using":[116],"Alternating":[117,122],"Optimization":[118],"(AO)":[119],"Direction":[123],"Method":[124],"Multipliers":[126],"(ADMM).":[127],"The":[128],"proposed":[129,162],"allows":[131],"impose":[133],"various":[134,150],"constraints":[135],"all":[137],"modes":[138],"linear":[140],"couplings":[141],"other":[143],"matrix-,":[144],"CP-":[145],"PARAFAC2-models.":[147],"Experiments":[148],"simulated":[151],"real":[153],"demonstrate":[155],"utility":[157],"versatility":[159],"as":[164,166],"well":[165],"its":[167],"benefits":[168],"accuracy":[172],"efficiency":[174],"comparison":[176],"state-of-the-art":[178],"methods.":[179]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}