{"id":"https://openalex.org/W4281825464","doi":"https://doi.org/10.1142/s0218213022500026","title":"Hierarchical Multi-agent System for Sleep Stages Classification","display_name":"Hierarchical Multi-agent System for Sleep Stages Classification","publication_year":2022,"publication_date":"2022-05-31","ids":{"openalex":"https://openalex.org/W4281825464","doi":"https://doi.org/10.1142/s0218213022500026"},"language":"en","primary_location":{"id":"doi:10.1142/s0218213022500026","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0218213022500026","pdf_url":null,"source":{"id":"https://openalex.org/S178780388","display_name":"International Journal of Artificial Intelligence Tools","issn_l":"0218-2130","issn":["0218-2130","1793-6349"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal on Artificial Intelligence Tools","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/A5038255697","display_name":"Yasmine Amor","orcid":"https://orcid.org/0000-0002-0795-550X"},"institutions":[{"id":"https://openalex.org/I108714496","display_name":"Tunis University","ror":"https://ror.org/02q1spa57","country_code":"TN","type":"education","lineage":["https://openalex.org/I108714496"]},{"id":"https://openalex.org/I4210140729","display_name":"Institut Sup\u00e9rieur de Gestion de Tunis","ror":"https://ror.org/04w9mdw91","country_code":"TN","type":"education","lineage":["https://openalex.org/I108714496","https://openalex.org/I4210140729"]}],"countries":["TN"],"is_corresponding":false,"raw_author_name":"Yasmine Amor","raw_affiliation_strings":["Universit\u00e9 de Tunis, Institut Sup\u00e9rieur de Gestion de Tunis, SMART Lab, 41 Avenue de la Libert\u00e9, Bouchoucha, Bardo, 2000, Tunis, Tunisie"],"raw_orcid":"https://orcid.org/0000-0002-0795-550X","affiliations":[{"raw_affiliation_string":"Universit\u00e9 de Tunis, Institut Sup\u00e9rieur de Gestion de Tunis, SMART Lab, 41 Avenue de la Libert\u00e9, Bouchoucha, Bardo, 2000, Tunis, Tunisie","institution_ids":["https://openalex.org/I108714496","https://openalex.org/I4210140729"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067170253","display_name":"Lilia Rejeb","orcid":"https://orcid.org/0000-0002-5740-1556"},"institutions":[{"id":"https://openalex.org/I108714496","display_name":"Tunis University","ror":"https://ror.org/02q1spa57","country_code":"TN","type":"education","lineage":["https://openalex.org/I108714496"]},{"id":"https://openalex.org/I4210140729","display_name":"Institut Sup\u00e9rieur de Gestion de Tunis","ror":"https://ror.org/04w9mdw91","country_code":"TN","type":"education","lineage":["https://openalex.org/I108714496","https://openalex.org/I4210140729"]}],"countries":["TN"],"is_corresponding":false,"raw_author_name":"Lilia Rejeb","raw_affiliation_strings":["Universit\u00e9 de Tunis, Institut Sup\u00e9rieur de Gestion de Tunis, SMART Lab, 41 Avenue de la Libert\u00e9, Bouchoucha, Bardo, 2000, Tunis, Tunisie"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universit\u00e9 de Tunis, Institut Sup\u00e9rieur de Gestion de Tunis, SMART Lab, 41 Avenue de la Libert\u00e9, Bouchoucha, Bardo, 2000, Tunis, Tunisie","institution_ids":["https://openalex.org/I108714496","https://openalex.org/I4210140729"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015567063","display_name":"Rahma Ferjeni","orcid":null},"institutions":[{"id":"https://openalex.org/I108714496","display_name":"Tunis University","ror":"https://ror.org/02q1spa57","country_code":"TN","type":"education","lineage":["https://openalex.org/I108714496"]},{"id":"https://openalex.org/I4210140729","display_name":"Institut Sup\u00e9rieur de Gestion de Tunis","ror":"https://ror.org/04w9mdw91","country_code":"TN","type":"education","lineage":["https://openalex.org/I108714496","https://openalex.org/I4210140729"]}],"countries":["TN"],"is_corresponding":false,"raw_author_name":"Rahma Ferjeni","raw_affiliation_strings":["Universit\u00e9 de Tunis, Institut Sup\u00e9rieur de Gestion de Tunis, SMART Lab, 41 Avenue de la Libert\u00e9, Bouchoucha, Bardo, 2000, Tunis, Tunisie"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universit\u00e9 de Tunis, Institut Sup\u00e9rieur de Gestion de Tunis, SMART Lab, 41 Avenue de la Libert\u00e9, Bouchoucha, Bardo, 2000, Tunis, Tunisie","institution_ids":["https://openalex.org/I108714496","https://openalex.org/I4210140729"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028612749","display_name":"Lamjed Ben Sa\u00efd","orcid":"https://orcid.org/0000-0001-9225-884X"},"institutions":[{"id":"https://openalex.org/I108714496","display_name":"Tunis University","ror":"https://ror.org/02q1spa57","country_code":"TN","type":"education","lineage":["https://openalex.org/I108714496"]},{"id":"https://openalex.org/I4210140729","display_name":"Institut Sup\u00e9rieur de Gestion de Tunis","ror":"https://ror.org/04w9mdw91","country_code":"TN","type":"education","lineage":["https://openalex.org/I108714496","https://openalex.org/I4210140729"]}],"countries":["TN"],"is_corresponding":false,"raw_author_name":"Lamjed Ben Said","raw_affiliation_strings":["Universit\u00e9 de Tunis, Institut Sup\u00e9rieur de Gestion de Tunis, SMART Lab, 41 Avenue de la Libert\u00e9, Bouchoucha, Bardo, 2000, Tunis, Tunisie"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Universit\u00e9 de Tunis, Institut Sup\u00e9rieur de Gestion de Tunis, SMART Lab, 41 Avenue de la Libert\u00e9, Bouchoucha, Bardo, 2000, Tunis, Tunisie","institution_ids":["https://openalex.org/I108714496","https://openalex.org/I4210140729"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5067802286","display_name":"Mohamed Ridha Ben Cheikh","orcid":null},"institutions":[{"id":"https://openalex.org/I166928557","display_name":"University of Monastir","ror":"https://ror.org/00nhtcg76","country_code":"TN","type":"education","lineage":["https://openalex.org/I166928557"]}],"countries":["TN"],"is_corresponding":false,"raw_author_name":"Mohamed Ridha Ben Cheikh","raw_affiliation_strings":["Laboratoire des technologies de l\u2019imagerie m\u00e9dicale. Facult\u00e9 de m\u00e9decine de Monastir Universit\u00e9 de Monastir, Avenue Ibn Sina, Monastir, 5000, Tunisia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratoire des technologies de l\u2019imagerie m\u00e9dicale. Facult\u00e9 de m\u00e9decine de Monastir Universit\u00e9 de Monastir, Avenue Ibn Sina, Monastir, 5000, Tunisia","institution_ids":["https://openalex.org/I166928557"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.4129,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.53267501,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":96},"biblio":{"volume":"31","issue":"05","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10429","display_name":"EEG and Brain-Computer Interfaces","score":0.9926000237464905,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T10429","display_name":"EEG and Brain-Computer Interfaces","score":0.9926000237464905,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10985","display_name":"Sleep and Wakefulness Research","score":0.9442999958992004,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10603","display_name":"Smart Grid Energy Management","score":0.9333000183105469,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8592077493667603},{"id":"https://openalex.org/keywords/sleep","display_name":"Sleep (system call)","score":0.8097094297409058},{"id":"https://openalex.org/keywords/sleep-stages","display_name":"Sleep Stages","score":0.6679123640060425},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.6436440944671631},{"id":"https://openalex.org/keywords/electroencephalography","display_name":"Electroencephalography","score":0.6072860956192017},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5405899286270142},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.48911982774734497},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.4874610900878906},{"id":"https://openalex.org/keywords/sleep-patterns","display_name":"Sleep patterns","score":0.4246608018875122},{"id":"https://openalex.org/keywords/epoch","display_name":"Epoch (astronomy)","score":0.41539669036865234},{"id":"https://openalex.org/keywords/polysomnography","display_name":"Polysomnography","score":0.2849646806716919},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.12898129224777222}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8592077493667603},{"id":"https://openalex.org/C2775841894","wikidata":"https://www.wikidata.org/wiki/Q4683692","display_name":"Sleep (system call)","level":2,"score":0.8097094297409058},{"id":"https://openalex.org/C2910364982","wikidata":"https://www.wikidata.org/wiki/Q35831","display_name":"Sleep Stages","level":4,"score":0.6679123640060425},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.6436440944671631},{"id":"https://openalex.org/C522805319","wikidata":"https://www.wikidata.org/wiki/Q179965","display_name":"Electroencephalography","level":2,"score":0.6072860956192017},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5405899286270142},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.48911982774734497},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.4874610900878906},{"id":"https://openalex.org/C3019903994","wikidata":"https://www.wikidata.org/wiki/Q35831","display_name":"Sleep patterns","level":3,"score":0.4246608018875122},{"id":"https://openalex.org/C2780317896","wikidata":"https://www.wikidata.org/wiki/Q2703","display_name":"Epoch (astronomy)","level":3,"score":0.41539669036865234},{"id":"https://openalex.org/C2778205975","wikidata":"https://www.wikidata.org/wiki/Q1754874","display_name":"Polysomnography","level":3,"score":0.2849646806716919},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.12898129224777222},{"id":"https://openalex.org/C150846664","wikidata":"https://www.wikidata.org/wiki/Q7602306","display_name":"Stars","level":2,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C187736073","wikidata":"https://www.wikidata.org/wiki/Q2920921","display_name":"Management","level":1,"score":0.0},{"id":"https://openalex.org/C118552586","wikidata":"https://www.wikidata.org/wiki/Q7867","display_name":"Psychiatry","level":1,"score":0.0},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","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:10.1142/s0218213022500026","is_oa":false,"landing_page_url":"https://doi.org/10.1142/s0218213022500026","pdf_url":null,"source":{"id":"https://openalex.org/S178780388","display_name":"International Journal of Artificial Intelligence Tools","issn_l":"0218-2130","issn":["0218-2130","1793-6349"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319815","host_organization_name":"World Scientific","host_organization_lineage":["https://openalex.org/P4310319815"],"host_organization_lineage_names":["World Scientific"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal on Artificial Intelligence Tools","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6800000071525574,"id":"https://metadata.un.org/sdg/4","display_name":"Quality Education"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2802026353","https://openalex.org/W3081653163","https://openalex.org/W4315853058","https://openalex.org/W2114603675","https://openalex.org/W2071539815","https://openalex.org/W1966262416","https://openalex.org/W4377009940","https://openalex.org/W4385489261","https://openalex.org/W2054640685","https://openalex.org/W4281825464"],"abstract_inverted_index":{"Sleep":[0,33],"is":[1,22,35,48,59,92],"a":[2,25,105,121,128,150],"fundamental":[3],"restorative":[4],"process":[5],"for":[6,39,161],"human":[7,40],"mental":[8],"and":[9,53],"physical":[10],"health.":[11],"Considering":[12],"the":[13,30,36,155],"risks":[14],"that":[15,113],"sleep":[16,20,41,45,57,84,100,162],"disorders":[17],"can":[18],"present,":[19],"analysis":[21],"considered":[23,49],"as":[24],"primordial":[26],"task":[27,47],"to":[28,71,93,98,149],"identify":[29],"different":[31,95,115],"abnormalities.":[32],"scoring":[34,46,58,85],"gold":[37],"standard":[38],"analysis.":[42],"The":[43,87,132],"manual":[44],"exhausting,":[50],"subjective,":[51],"time-consuming":[52],"error":[54],"prone.":[55],"Moreover,":[56],"based":[60,107],"on":[61,108],"fixed":[62],"epoch":[63],"lengths":[64],"usually":[65],"of":[66,89,123,134],"30":[67],"seconds,":[68],"which":[69],"leads":[70],"an":[72,81],"information":[73],"loss":[74],"problem.":[75],"In":[76],"this":[77],"paper,":[78],"we":[79,103],"propose":[80],"automatic":[82],"unsupervised":[83],"model.":[86],"aim":[88],"our":[90,135],"work":[91],"consider":[94],"epoch\u2019s":[96],"durations":[97],"classify":[99],"stages.":[101],"Therefore,":[102],"developed":[104],"model":[106],"Hierarchical":[109],"Multi-Agent":[110],"Systems":[111],"(HMASs)":[112],"presents":[114],"layers":[116],"where":[117],"each":[118],"layer":[119],"contains":[120],"number":[122],"adaptive":[124],"agents":[125],"working":[126],"with":[127,154],"specific":[129],"time":[130],"epoch.":[131],"effectiveness":[133],"approach":[136],"was":[137],"investigated":[138],"using":[139],"real":[140],"electroencephalography":[141],"(EEG)":[142],"data.":[143],"Good":[144],"results":[145],"were":[146],"reached":[147],"according":[148],"comparative":[151],"study":[152],"realized":[153],"often":[156],"used":[157],"machine":[158],"learning":[159],"techniques":[160],"stages":[163],"classification":[164],"problems.":[165]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":2}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}
