{"id":"https://openalex.org/W4297678860","doi":"https://doi.org/10.1145/3549737.3549797","title":"Use of AI methods for handling multi-dimensionality and missing values in biomedical data","display_name":"Use of AI methods for handling multi-dimensionality and missing values in biomedical data","publication_year":2022,"publication_date":"2022-09-07","ids":{"openalex":"https://openalex.org/W4297678860","doi":"https://doi.org/10.1145/3549737.3549797"},"language":"en","primary_location":{"id":"doi:10.1145/3549737.3549797","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3549737.3549797","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 12th Hellenic Conference on Artificial Intelligence","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/A5009382663","display_name":"Rediona Kane","orcid":null},"institutions":[{"id":"https://openalex.org/I200777214","display_name":"National and Kapodistrian University of Athens","ror":"https://ror.org/04gnjpq42","country_code":"GR","type":"education","lineage":["https://openalex.org/I200777214"]}],"countries":["GR"],"is_corresponding":true,"raw_author_name":"Rediona Kane","raw_affiliation_strings":["Department of Biology, National Kapodistrian University of Athens, Greece"],"affiliations":[{"raw_affiliation_string":"Department of Biology, National Kapodistrian University of Athens, Greece","institution_ids":["https://openalex.org/I200777214"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056484904","display_name":"Iraklis Varlamis","orcid":"https://orcid.org/0000-0002-0876-8167"},"institutions":[{"id":"https://openalex.org/I32762134","display_name":"Harokopio University of Athens","ror":"https://ror.org/02k5gp281","country_code":"GR","type":"education","lineage":["https://openalex.org/I32762134"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Iraklis Varlamis","raw_affiliation_strings":["Department of Informatics and Telematics, Harokopio University, Greece"],"affiliations":[{"raw_affiliation_string":"Department of Informatics and Telematics, Harokopio University, Greece","institution_ids":["https://openalex.org/I32762134"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027230779","display_name":"Mary Yiannakoulia","orcid":null},"institutions":[{"id":"https://openalex.org/I32762134","display_name":"Harokopio University of Athens","ror":"https://ror.org/02k5gp281","country_code":"GR","type":"education","lineage":["https://openalex.org/I32762134"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Mary Yiannakoulia","raw_affiliation_strings":["Department of Nutrition and Dietetics, Harokopio University, Greece"],"affiliations":[{"raw_affiliation_string":"Department of Nutrition and Dietetics, Harokopio University, Greece","institution_ids":["https://openalex.org/I32762134"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5079281264","display_name":"Nikolaos Skarmeas","orcid":null},"institutions":[{"id":"https://openalex.org/I200777214","display_name":"National and Kapodistrian University of Athens","ror":"https://ror.org/04gnjpq42","country_code":"GR","type":"education","lineage":["https://openalex.org/I200777214"]},{"id":"https://openalex.org/I4210141397","display_name":"Eginition Hospital","ror":"https://ror.org/03wed5r38","country_code":"GR","type":"healthcare","lineage":["https://openalex.org/I4210141397"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Nikolaos Skarmeas","raw_affiliation_strings":["Department of Neurology Aiginition Hospital, School of Medicine, National Kapodistrian University of Athens, Greece"],"affiliations":[{"raw_affiliation_string":"Department of Neurology Aiginition Hospital, School of Medicine, National Kapodistrian University of Athens, Greece","institution_ids":["https://openalex.org/I4210141397","https://openalex.org/I200777214"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5009382663"],"corresponding_institution_ids":["https://openalex.org/I200777214"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.18126612,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"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/T11396","display_name":"Artificial Intelligence in Healthcare","score":0.977400004863739,"subfield":{"id":"https://openalex.org/subfields/3605","display_name":"Health Information Management"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T11396","display_name":"Artificial Intelligence in Healthcare","score":0.977400004863739,"subfield":{"id":"https://openalex.org/subfields/3605","display_name":"Health Information Management"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10862","display_name":"AI in cancer detection","score":0.9724000096321106,"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/T10885","display_name":"Gene expression and cancer classification","score":0.9667999744415283,"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/curse-of-dimensionality","display_name":"Curse of dimensionality","score":0.6113776564598083},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5893660187721252},{"id":"https://openalex.org/keywords/missing-data","display_name":"Missing data","score":0.5399987101554871},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.4412570297718048},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3391379714012146},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.25930988788604736}],"concepts":[{"id":"https://openalex.org/C111030470","wikidata":"https://www.wikidata.org/wiki/Q1430460","display_name":"Curse of dimensionality","level":2,"score":0.6113776564598083},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5893660187721252},{"id":"https://openalex.org/C9357733","wikidata":"https://www.wikidata.org/wiki/Q6878417","display_name":"Missing data","level":2,"score":0.5399987101554871},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.4412570297718048},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3391379714012146},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.25930988788604736}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3549737.3549797","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3549737.3549797","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 12th Hellenic Conference on Artificial Intelligence","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being","score":0.6499999761581421}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W592963477","https://openalex.org/W1979268377","https://openalex.org/W1980850588","https://openalex.org/W2046079134","https://openalex.org/W2093103229","https://openalex.org/W2115098571","https://openalex.org/W2311607323","https://openalex.org/W2402922602","https://openalex.org/W2552011089","https://openalex.org/W2594139863","https://openalex.org/W2735368442","https://openalex.org/W2781122472","https://openalex.org/W2897096718","https://openalex.org/W2910493440","https://openalex.org/W2978281981","https://openalex.org/W2980264519","https://openalex.org/W2997591727","https://openalex.org/W2999852254","https://openalex.org/W3090106026","https://openalex.org/W3134407454","https://openalex.org/W4231109964","https://openalex.org/W4237896256"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2748952813","https://openalex.org/W4380150146","https://openalex.org/W3024870410","https://openalex.org/W2410652950","https://openalex.org/W4283773154","https://openalex.org/W3139174110","https://openalex.org/W4289597203","https://openalex.org/W2085630472","https://openalex.org/W1977098485"],"abstract_inverted_index":{"Bioinformatics":[0],"approaches":[1],"in":[2,21,84,139],"data-rich":[3],"domains":[4],"such":[5],"as":[6],"Medicine":[7],"and":[8,46,66,73,100],"Biology":[9],"have":[10],"presented":[11],"great":[12],"opportunities":[13],"for":[14,49,93,112],"the":[15,30,41,50,62,77,119,126,133,149,163],"application":[16],"of":[17,32,44,53,64,118,157,162],"Deep":[18],"Learning":[19],"algorithms":[20],"conjunction":[22],"with":[23,55,104,142],"biomedical":[24],"data.":[25],"The":[26,58],"present":[27],"paper":[28],"proposes":[29],"implementation":[31],"Neural":[33,69],"Network":[34],"estimators":[35],"on":[36],"epidemiological":[37],"data":[38,89],"collected":[39],"by":[40],"Longitudinal":[42],"Investigation":[43],"Aging":[45],"Diet":[47],"(HELIAD),":[48],"multiclass":[51],"classification":[52],"participants":[54,141],"cognitive":[56],"dysfunction.":[57],"proposed":[59],"workflow":[60],"integrates":[61],"use":[63],"TensorFlow":[65],"Keras":[67],"Feedforward":[68],"Networks,":[70],"scikit-learn":[71],"Pipelines":[72],"hyper-parameter":[74],"tuning":[75],"via":[76],"GridsearchCV":[78],"class.":[79],"We":[80],"exploited":[81],"these":[82],"techniques":[83],"an":[85],"effort":[86],"to":[87,91,148],"avoid":[88],"leakage,":[90],"compensate":[92],"missing":[94],"values":[95],"using":[96],"different":[97],"imputation":[98],"strategies":[99],"configure":[101],"dimensionality":[102],"reduction":[103],"autoencoders.":[105],"Additionally,":[106],"Kohonen":[107],"Self-Organizing":[108],"Maps":[109],"were":[110,131],"implemented":[111],"unsupervised":[113],"learning":[114],"accomplishing":[115],"sufficient":[116],"clustering":[117],"existing":[120],"classes.":[121],"Results":[122],"show":[123],"that":[124,130],"amongst":[125],"864":[127],"candidate":[128],"models":[129],"trained,":[132],"best":[134,164],"estimator":[135],"achieved":[136],"reasonable":[137],"performance":[138],"classifying":[140],"dementia":[143],"(accuracy:":[144],"0.92),":[145],"although":[146],"due":[147],"high":[150],"class":[151],"imbalance":[152],"a":[153],"lower":[154],"macro-f1":[155],"score":[156],"0.80":[158],"was":[159],"more":[160],"representative":[161],"model\u2019":[165],"s":[166],"capacity.":[167]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
