{"id":"https://openalex.org/W4391249625","doi":"https://doi.org/10.1109/la-cci58595.2023.10409303","title":"Trajectory-based Metaheuristics for Improving Sparse Matrix Storage","display_name":"Trajectory-based Metaheuristics for Improving Sparse Matrix Storage","publication_year":2023,"publication_date":"2023-10-29","ids":{"openalex":"https://openalex.org/W4391249625","doi":"https://doi.org/10.1109/la-cci58595.2023.10409303"},"language":"en","primary_location":{"id":"doi:10.1109/la-cci58595.2023.10409303","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/la-cci58595.2023.10409303","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 IEEE Latin American Conference on Computational Intelligence (LA-CCI)","raw_type":"proceedings-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/A5102888118","display_name":"Manuel Freire","orcid":"https://orcid.org/0000-0002-4887-8918"},"institutions":[{"id":"https://openalex.org/I180910786","display_name":"Universidad de la Rep\u00fablica de Uruguay","ror":"https://ror.org/030bbe882","country_code":"UY","type":"education","lineage":["https://openalex.org/I180910786"]}],"countries":["UY"],"is_corresponding":false,"raw_author_name":"Manuel Freire","raw_affiliation_strings":["Instituto de Computaci&#x00F3;n, INCO Facultad de Ingenier&#x00ED;a, Universidad de la Rep&#x00FA;blica,Montevideo,Uruguay"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Instituto de Computaci&#x00F3;n, INCO Facultad de Ingenier&#x00ED;a, Universidad de la Rep&#x00FA;blica,Montevideo,Uruguay","institution_ids":["https://openalex.org/I180910786"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037783250","display_name":"Ra\u00fal Marichal","orcid":"https://orcid.org/0000-0003-4974-0803"},"institutions":[{"id":"https://openalex.org/I180910786","display_name":"Universidad de la Rep\u00fablica de Uruguay","ror":"https://ror.org/030bbe882","country_code":"UY","type":"education","lineage":["https://openalex.org/I180910786"]}],"countries":["UY"],"is_corresponding":false,"raw_author_name":"Ra\u00fal Marichal","raw_affiliation_strings":["Instituto de Computaci&#x00F3;n, INCO Facultad de Ingenier&#x00ED;a, Universidad de la Rep&#x00FA;blica,Montevideo,Uruguay"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Instituto de Computaci&#x00F3;n, INCO Facultad de Ingenier&#x00ED;a, Universidad de la Rep&#x00FA;blica,Montevideo,Uruguay","institution_ids":["https://openalex.org/I180910786"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020768637","display_name":"Ernesto Dufrechou","orcid":"https://orcid.org/0000-0003-4971-340X"},"institutions":[{"id":"https://openalex.org/I180910786","display_name":"Universidad de la Rep\u00fablica de Uruguay","ror":"https://ror.org/030bbe882","country_code":"UY","type":"education","lineage":["https://openalex.org/I180910786"]}],"countries":["UY"],"is_corresponding":false,"raw_author_name":"Ernesto Dufrechou","raw_affiliation_strings":["Instituto de Computaci&#x00F3;n, INCO Facultad de Ingenier&#x00ED;a, Universidad de la Rep&#x00FA;blica,Montevideo,Uruguay"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Instituto de Computaci&#x00F3;n, INCO Facultad de Ingenier&#x00ED;a, Universidad de la Rep&#x00FA;blica,Montevideo,Uruguay","institution_ids":["https://openalex.org/I180910786"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039665879","display_name":"Pablo Ezzatti","orcid":"https://orcid.org/0000-0002-2368-8907"},"institutions":[{"id":"https://openalex.org/I180910786","display_name":"Universidad de la Rep\u00fablica de Uruguay","ror":"https://ror.org/030bbe882","country_code":"UY","type":"education","lineage":["https://openalex.org/I180910786"]}],"countries":["UY"],"is_corresponding":false,"raw_author_name":"Pablo Ezzatti","raw_affiliation_strings":["Instituto de Computaci&#x00F3;n, INCO Facultad de Ingenier&#x00ED;a, Universidad de la Rep&#x00FA;blica,Montevideo,Uruguay"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Instituto de Computaci&#x00F3;n, INCO Facultad de Ingenier&#x00ED;a, Universidad de la Rep&#x00FA;blica,Montevideo,Uruguay","institution_ids":["https://openalex.org/I180910786"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5091770128","display_name":"Mart\u00edn Pedemonte","orcid":"https://orcid.org/0000-0002-8348-0921"},"institutions":[{"id":"https://openalex.org/I180910786","display_name":"Universidad de la Rep\u00fablica de Uruguay","ror":"https://ror.org/030bbe882","country_code":"UY","type":"education","lineage":["https://openalex.org/I180910786"]}],"countries":["UY"],"is_corresponding":false,"raw_author_name":"Mart\u00edn Pedemonte","raw_affiliation_strings":["Instituto de Computaci&#x00F3;n, INCO Facultad de Ingenier&#x00ED;a, Universidad de la Rep&#x00FA;blica,Montevideo,Uruguay"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Instituto de Computaci&#x00F3;n, INCO Facultad de Ingenier&#x00ED;a, Universidad de la Rep&#x00FA;blica,Montevideo,Uruguay","institution_ids":["https://openalex.org/I180910786"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I180910786"],"apc_list":null,"apc_paid":null,"fwci":0.2846,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.55022033,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10054","display_name":"Parallel Computing and Optimization Techniques","score":0.9973000288009644,"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":0.9973000288009644,"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"}},{"id":"https://openalex.org/T10792","display_name":"Matrix Theory and Algorithms","score":0.996999979019165,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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/T10100","display_name":"Metaheuristic Optimization Algorithms Research","score":0.996399998664856,"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/computer-science","display_name":"Computer science","score":0.747423529624939},{"id":"https://openalex.org/keywords/heuristics","display_name":"Heuristics","score":0.6767503023147583},{"id":"https://openalex.org/keywords/metaheuristic","display_name":"Metaheuristic","score":0.6326550245285034},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.5743791460990906},{"id":"https://openalex.org/keywords/permutation","display_name":"Permutation (music)","score":0.5272060036659241},{"id":"https://openalex.org/keywords/matrix","display_name":"Matrix (chemical analysis)","score":0.483090877532959},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.4750801920890808},{"id":"https://openalex.org/keywords/sparse-matrix","display_name":"Sparse matrix","score":0.43916991353034973},{"id":"https://openalex.org/keywords/evolutionary-algorithm","display_name":"Evolutionary algorithm","score":0.432881236076355},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3873177766799927},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3814679682254791},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.37625980377197266},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.19892078638076782},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.17120850086212158}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.747423529624939},{"id":"https://openalex.org/C127705205","wikidata":"https://www.wikidata.org/wiki/Q5748245","display_name":"Heuristics","level":2,"score":0.6767503023147583},{"id":"https://openalex.org/C109718341","wikidata":"https://www.wikidata.org/wiki/Q1385229","display_name":"Metaheuristic","level":2,"score":0.6326550245285034},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.5743791460990906},{"id":"https://openalex.org/C21308566","wikidata":"https://www.wikidata.org/wiki/Q7169365","display_name":"Permutation (music)","level":2,"score":0.5272060036659241},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.483090877532959},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.4750801920890808},{"id":"https://openalex.org/C56372850","wikidata":"https://www.wikidata.org/wiki/Q1050404","display_name":"Sparse matrix","level":3,"score":0.43916991353034973},{"id":"https://openalex.org/C159149176","wikidata":"https://www.wikidata.org/wiki/Q14489129","display_name":"Evolutionary algorithm","level":2,"score":0.432881236076355},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3873177766799927},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3814679682254791},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.37625980377197266},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.19892078638076782},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.17120850086212158},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"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/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","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},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.0},{"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/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/la-cci58595.2023.10409303","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/la-cci58595.2023.10409303","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 IEEE Latin American Conference on Computational Intelligence (LA-CCI)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":35,"referenced_works":["https://openalex.org/W1506342804","https://openalex.org/W1515144947","https://openalex.org/W1575701986","https://openalex.org/W1588915715","https://openalex.org/W1935978687","https://openalex.org/W1995649289","https://openalex.org/W2004617458","https://openalex.org/W2035080386","https://openalex.org/W2084792706","https://openalex.org/W2091908315","https://openalex.org/W2095420020","https://openalex.org/W2096166399","https://openalex.org/W2128539477","https://openalex.org/W2128853364","https://openalex.org/W2157146993","https://openalex.org/W2529540995","https://openalex.org/W2597989457","https://openalex.org/W2771165335","https://openalex.org/W2790062217","https://openalex.org/W2805763850","https://openalex.org/W2903237845","https://openalex.org/W2904902077","https://openalex.org/W2964051635","https://openalex.org/W3006087437","https://openalex.org/W3006299321","https://openalex.org/W3130660608","https://openalex.org/W3193328751","https://openalex.org/W3214870808","https://openalex.org/W4200089575","https://openalex.org/W4210278090","https://openalex.org/W4246565613","https://openalex.org/W4247712932","https://openalex.org/W4292397273","https://openalex.org/W4385720152","https://openalex.org/W4391280208"],"related_works":["https://openalex.org/W2280422768","https://openalex.org/W3143197806","https://openalex.org/W4252555497","https://openalex.org/W3121175838","https://openalex.org/W3016293053","https://openalex.org/W1690653314","https://openalex.org/W2789681586","https://openalex.org/W2401723157","https://openalex.org/W2794361564","https://openalex.org/W2065055572"],"abstract_inverted_index":{"Kernels":[0],"in":[1,151],"linear":[2],"algebra":[3],"are":[4],"memory-bounded":[5],"routines":[6],"and":[7,138,144],"their":[8],"performance":[9,39],"is":[10,22,62,81,86,109],"dependent":[11],"on":[12,142],"the":[13,17,37,49,52,55,59,75,136,148,152,155,160],"sparsity":[14],"pattern":[15],"of":[16,36,40,51,54,66,69,78,154,159],"matrix":[18,80],"operands.":[19],"Since":[20],"memory":[21,60],"many":[23],"times":[24],"slower":[25],"than":[26],"arithmetic":[27],"operations":[28],"these":[29],"kernels":[30],"tend":[31],"to":[32,57,88,111,118],"exploit":[33],"small":[34],"fractions":[35],"peak":[38],"modern":[41],"architectures":[42],"such":[43],"as":[44,115],"GPUs.":[45],"In":[46,105,131],"this":[47,106,132],"sense,":[48],"improvement":[50],"storage":[53],"matrices":[56],"reduce":[58,119],"accesses":[61],"a":[63,79,116],"main":[64],"line":[65],"work.The":[67],"problem":[68],"finding":[70],"an":[71],"exact":[72],"solution":[73,128],"for":[74],"best":[76],"permutation":[77],"computationally":[82],"prohibitive":[83],"thus":[84],"it":[85,108],"interesting":[87],"explore":[89,112],"metaheuristic":[90],"approaches.":[91],"Previous":[92],"work":[93],"found":[94],"good":[95],"results":[96],"with":[97,101],"evolutionary":[98,149],"algorithms":[99],"but":[100],"high":[102],"execution":[103,120],"time.":[104],"context,":[107],"compelling":[110],"trajectory-based":[113],"metaheuristics":[114],"way":[117],"time":[121],"since":[122],"they":[123],"require":[124],"evaluating":[125,157],"only":[126],"one":[127],"per":[129],"iteration.":[130],"work,":[133],"we":[134],"continue":[135],"efforts":[137],"present":[139],"heuristics":[140],"based":[141],"VNS":[143],"ILS":[145],"which":[146],"outperform":[147],"algorithm":[150],"majority":[153],"instances":[156],"half":[158],"solutions.":[161]},"counts_by_year":[{"year":2024,"cited_by_count":1}],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}
