{"id":"https://openalex.org/W2146776035","doi":"https://doi.org/10.1109/icassp.2009.4960233","title":"Testing fractal connectivity in multivariate long memory processes","display_name":"Testing fractal connectivity in multivariate long memory processes","publication_year":2009,"publication_date":"2009-04-01","ids":{"openalex":"https://openalex.org/W2146776035","doi":"https://doi.org/10.1109/icassp.2009.4960233","mag":"2146776035"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2009.4960233","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2009.4960233","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE International Conference on Acoustics, Speech and Signal Processing","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://ens-lyon.hal.science/ensl-00362174","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5008685312","display_name":"Herwig Wendt","orcid":"https://orcid.org/0000-0001-6930-3083"},"institutions":[{"id":"https://openalex.org/I113428412","display_name":"\u00c9cole Normale Sup\u00e9rieure de Lyon","ror":"https://ror.org/04zmssz18","country_code":"FR","type":"education","lineage":["https://openalex.org/I113428412","https://openalex.org/I203339264"]},{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"funder","lineage":["https://openalex.org/I1294671590"]}],"countries":["FR"],"is_corresponding":true,"raw_author_name":"H. Wendt","raw_affiliation_strings":["Physics Department, ENS Lyon-CNRS, Lyon, France","Physics Dept., ENS Lyon, CNRS, 46, All\u00e9e d'Italie 69364 Cedex 07, France"],"affiliations":[{"raw_affiliation_string":"Physics Department, ENS Lyon-CNRS, Lyon, France","institution_ids":["https://openalex.org/I113428412","https://openalex.org/I1294671590"]},{"raw_affiliation_string":"Physics Dept., ENS Lyon, CNRS, 46, All\u00e9e d'Italie 69364 Cedex 07, France","institution_ids":["https://openalex.org/I113428412","https://openalex.org/I1294671590"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110906306","display_name":"A Scherrer","orcid":null},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"funder","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I113428412","display_name":"\u00c9cole Normale Sup\u00e9rieure de Lyon","ror":"https://ror.org/04zmssz18","country_code":"FR","type":"education","lineage":["https://openalex.org/I113428412","https://openalex.org/I203339264"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"A. Scherrer","raw_affiliation_strings":["Physics Department, ENS Lyon-CNRS, Lyon, France","Physics Dept., ENS Lyon, CNRS, 46, All\u00e9e d'Italie 69364 Cedex 07, France"],"affiliations":[{"raw_affiliation_string":"Physics Department, ENS Lyon-CNRS, Lyon, France","institution_ids":["https://openalex.org/I113428412","https://openalex.org/I1294671590"]},{"raw_affiliation_string":"Physics Dept., ENS Lyon, CNRS, 46, All\u00e9e d'Italie 69364 Cedex 07, France","institution_ids":["https://openalex.org/I113428412","https://openalex.org/I1294671590"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050643672","display_name":"Patrice Abry","orcid":"https://orcid.org/0000-0002-7096-8290"},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"funder","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I113428412","display_name":"\u00c9cole Normale Sup\u00e9rieure de Lyon","ror":"https://ror.org/04zmssz18","country_code":"FR","type":"education","lineage":["https://openalex.org/I113428412","https://openalex.org/I203339264"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"P. Abry","raw_affiliation_strings":["Physics Department, ENS Lyon-CNRS, Lyon, France","Physics Dept., ENS Lyon, CNRS, 46, All\u00e9e d'Italie 69364 Cedex 07, France"],"affiliations":[{"raw_affiliation_string":"Physics Department, ENS Lyon-CNRS, Lyon, France","institution_ids":["https://openalex.org/I113428412","https://openalex.org/I1294671590"]},{"raw_affiliation_string":"Physics Dept., ENS Lyon, CNRS, 46, All\u00e9e d'Italie 69364 Cedex 07, France","institution_ids":["https://openalex.org/I113428412","https://openalex.org/I1294671590"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5021851184","display_name":"Sophie Achard","orcid":"https://orcid.org/0000-0001-9448-1199"},"institutions":[{"id":"https://openalex.org/I4210124956","display_name":"Grenoble Images Parole Signal Automatique","ror":"https://ror.org/02wrme198","country_code":"FR","type":"facility","lineage":["https://openalex.org/I106785703","https://openalex.org/I1294671590","https://openalex.org/I4210124956","https://openalex.org/I899635006","https://openalex.org/I899635006"]},{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"funder","lineage":["https://openalex.org/I1294671590"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"S. Achard","raw_affiliation_strings":["GIPSA Laboratory, UMR CNRS 5216, Grenoble, France","GIPSA Lab, UMR CNRS 5216, Grenoble, France"],"affiliations":[{"raw_affiliation_string":"GIPSA Laboratory, UMR CNRS 5216, Grenoble, France","institution_ids":["https://openalex.org/I4210124956","https://openalex.org/I1294671590"]},{"raw_affiliation_string":"GIPSA Lab, UMR CNRS 5216, Grenoble, France","institution_ids":["https://openalex.org/I4210124956","https://openalex.org/I1294671590"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5008685312"],"corresponding_institution_ids":["https://openalex.org/I113428412","https://openalex.org/I1294671590"],"apc_list":null,"apc_paid":null,"fwci":4.0598,"has_fulltext":false,"cited_by_count":24,"citation_normalized_percentile":{"value":0.94835738,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"2913","last_page":"2916"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11270","display_name":"Complex Systems and Time Series Analysis","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/2002","display_name":"Economics and Econometrics"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T11270","display_name":"Complex Systems and Time Series Analysis","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/2002","display_name":"Economics and Econometrics"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10591","display_name":"Theoretical and Computational Physics","score":0.9909999966621399,"subfield":{"id":"https://openalex.org/subfields/3104","display_name":"Condensed Matter 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/T12946","display_name":"Fractal and DNA sequence analysis","score":0.9847000241279602,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/fractal","display_name":"Fractal","score":0.7242431044578552},{"id":"https://openalex.org/keywords/multivariate-statistics","display_name":"Multivariate statistics","score":0.6692712903022766},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6357245445251465},{"id":"https://openalex.org/keywords/byte","display_name":"Byte","score":0.4431181848049164},{"id":"https://openalex.org/keywords/series","display_name":"Series (stratigraphy)","score":0.43733203411102295},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.4299040138721466},{"id":"https://openalex.org/keywords/wavelet","display_name":"Wavelet","score":0.41920068860054016},{"id":"https://openalex.org/keywords/statistical-hypothesis-testing","display_name":"Statistical hypothesis testing","score":0.41458821296691895},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.39022302627563477},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3555757999420166},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3347209095954895},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.3029240667819977},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.28765445947647095},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.24715125560760498}],"concepts":[{"id":"https://openalex.org/C40636538","wikidata":"https://www.wikidata.org/wiki/Q81392","display_name":"Fractal","level":2,"score":0.7242431044578552},{"id":"https://openalex.org/C161584116","wikidata":"https://www.wikidata.org/wiki/Q1952580","display_name":"Multivariate statistics","level":2,"score":0.6692712903022766},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6357245445251465},{"id":"https://openalex.org/C43364308","wikidata":"https://www.wikidata.org/wiki/Q8799","display_name":"Byte","level":2,"score":0.4431181848049164},{"id":"https://openalex.org/C143724316","wikidata":"https://www.wikidata.org/wiki/Q312468","display_name":"Series (stratigraphy)","level":2,"score":0.43733203411102295},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.4299040138721466},{"id":"https://openalex.org/C47432892","wikidata":"https://www.wikidata.org/wiki/Q831390","display_name":"Wavelet","level":2,"score":0.41920068860054016},{"id":"https://openalex.org/C87007009","wikidata":"https://www.wikidata.org/wiki/Q210832","display_name":"Statistical hypothesis testing","level":2,"score":0.41458821296691895},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.39022302627563477},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3555757999420166},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3347209095954895},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.3029240667819977},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.28765445947647095},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.24715125560760498},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","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/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/icassp.2009.4960233","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2009.4960233","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE International Conference on Acoustics, Speech and Signal Processing","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.400.328","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.400.328","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://hal.archives-ouvertes.fr/docs/00/36/21/74/PDF/WendtScherrerAbryAchard_FINAL.pdf","raw_type":"text"},{"id":"pmh:oai:HAL:ensl-00362174v1","is_oa":true,"landing_page_url":"https://ens-lyon.hal.science/ensl-00362174","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL (Le Centre pour la Communication Scientifique Directe)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1294671590","host_organization_name":"Centre National de la Recherche Scientifique","host_organization_lineage":["https://openalex.org/I1294671590"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ICASSP 2009 - IEEE International Conference on Acoustics, Speech and Signal Processing, Apr 2009, Taipei, Taiwan","raw_type":"Conference papers"}],"best_oa_location":{"id":"pmh:oai:HAL:ensl-00362174v1","is_oa":true,"landing_page_url":"https://ens-lyon.hal.science/ensl-00362174","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL (Le Centre pour la Communication Scientifique Directe)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1294671590","host_organization_name":"Centre National de la Recherche Scientifique","host_organization_lineage":["https://openalex.org/I1294671590"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ICASSP 2009 - IEEE International Conference on Acoustics, Speech and Signal Processing, Apr 2009, Taipei, Taiwan","raw_type":"Conference papers"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W149523093","https://openalex.org/W1979777051","https://openalex.org/W1985760980","https://openalex.org/W1986818175","https://openalex.org/W2045638068","https://openalex.org/W2070690275","https://openalex.org/W2070775244","https://openalex.org/W2075581310","https://openalex.org/W2115755118","https://openalex.org/W2319085245","https://openalex.org/W4214562929","https://openalex.org/W4243228191","https://openalex.org/W4298090816","https://openalex.org/W6606098666"],"related_works":["https://openalex.org/W3042604642","https://openalex.org/W121858127","https://openalex.org/W2165263102","https://openalex.org/W4289329995","https://openalex.org/W2373574911","https://openalex.org/W2775143306","https://openalex.org/W2046727832","https://openalex.org/W2013332237","https://openalex.org/W2012747176","https://openalex.org/W4247895841"],"abstract_inverted_index":{"Within":[0],"the":[1,16,22,33,36,109],"framework":[2],"of":[3,21,24,27,35,111],"long":[4,43],"memory":[5],"multivariate":[6],"processes,":[7],"fractal":[8,72],"connectivity":[9,73],"is":[10,41,78,106],"a":[11,53,66,91],"particular":[12],"model,":[13],"in":[14,45,90],"which":[15],"low":[17],"frequencies":[18],"(coarse":[19],"scales)":[20],"interspectrum":[23],"each":[25,46],"pair":[26],"process":[28],"components":[29,47],"are":[30,48,96],"determined":[31],"by":[32],"autospectra":[34],"components.":[37],"The":[38,58,76],"underlying":[39],"intuition":[40],"that":[42],"memories":[44],"likely":[49],"to":[50],"arise":[51],"from":[52],"same":[54],"and":[55,64,84,88,99,115],"single":[56],"mechanism.":[57],"present":[59],"contribution":[60],"aims":[61],"at":[62],"defining":[63],"characterizing":[65],"statistical":[67],"procedure":[68],"for":[69],"testing":[70],"actual":[71],"amongst":[74],"data.":[75,103],"test":[77],"based":[79],"on":[80,101,108],"Fisher's":[81],"Z":[82],"transform":[83],"Pearson":[85],"correlation":[86],"coefficient,":[87],"anchored":[89],"wavelet":[92],"framework.":[93],"Its":[94,104],"performance":[95],"analyzed":[97],"theoretically":[98],"validated":[100],"synthetic":[102],"usefulness":[105],"illustrated":[107],"analysis":[110],"Internet":[112],"traffic":[113],"Packet":[114],"Byte":[116],"count":[117],"time":[118],"series.":[119]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":5},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":2}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}