{"id":"https://openalex.org/W2941239137","doi":"https://doi.org/10.1109/besc.2018.8697288","title":"Collaborative Stacked Denoising Auto-Encoders for Refining Student Performance Data","display_name":"Collaborative Stacked Denoising Auto-Encoders for Refining Student Performance Data","publication_year":2018,"publication_date":"2018-11-01","ids":{"openalex":"https://openalex.org/W2941239137","doi":"https://doi.org/10.1109/besc.2018.8697288","mag":"2941239137"},"language":"en","primary_location":{"id":"doi:10.1109/besc.2018.8697288","is_oa":false,"landing_page_url":"https://doi.org/10.1109/besc.2018.8697288","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 5th International Conference on Behavioral, Economic, and Socio-Cultural Computing (BESC)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5112431572","display_name":"Y\u00e9 Fan","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ye Fan","raw_affiliation_strings":["School of Electrical and Electronic Engineering"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076712405","display_name":"Yuan Sun","orcid":"https://orcid.org/0000-0002-4595-9237"},"institutions":[{"id":"https://openalex.org/I184597095","display_name":"National Institute of Informatics","ror":"https://ror.org/04ksd4g47","country_code":"JP","type":"facility","lineage":["https://openalex.org/I1319490839","https://openalex.org/I184597095","https://openalex.org/I4210158934"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN","JP"],"is_corresponding":false,"raw_author_name":"Yuan Sun","raw_affiliation_strings":["Information and Society Research Division, National Institute of Informatics, Tokyo, Japan","School of Computer and Control Engineering, University of Chinese Academy of Sciences, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Information and Society Research Division, National Institute of Informatics, Tokyo, Japan","institution_ids":["https://openalex.org/I184597095"]},{"raw_affiliation_string":"School of Computer and Control Engineering, University of Chinese Academy of Sciences, China","institution_ids":["https://openalex.org/I4210165038"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102926236","display_name":"Shiwei Ye","orcid":"https://orcid.org/0000-0002-6226-1797"},"institutions":[{"id":"https://openalex.org/I184597095","display_name":"National Institute of Informatics","ror":"https://ror.org/04ksd4g47","country_code":"JP","type":"facility","lineage":["https://openalex.org/I1319490839","https://openalex.org/I184597095","https://openalex.org/I4210158934"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shiwei Ye","raw_affiliation_strings":["Information and Society Research Division, National Institute of Informatics, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Information and Society Research Division, National Institute of Informatics, Tokyo, Japan","institution_ids":["https://openalex.org/I184597095"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006645886","display_name":"Pan Liao","orcid":"https://orcid.org/0000-0002-7269-9231"},"institutions":[{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Pan Liao","raw_affiliation_strings":["School of Computer and Control Engineering, University of Chinese Academy of Sciences, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Computer and Control Engineering, University of Chinese Academy of Sciences, China","institution_ids":["https://openalex.org/I4210165038"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010406311","display_name":"Guiping Su","orcid":null},"institutions":[{"id":"https://openalex.org/I184597095","display_name":"National Institute of Informatics","ror":"https://ror.org/04ksd4g47","country_code":"JP","type":"facility","lineage":["https://openalex.org/I1319490839","https://openalex.org/I184597095","https://openalex.org/I4210158934"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Guiping Su","raw_affiliation_strings":["Information and Society Research Division, National Institute of Informatics, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Information and Society Research Division, National Institute of Informatics, Tokyo, Japan","institution_ids":["https://openalex.org/I184597095"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101934902","display_name":"Yi Sun","orcid":"https://orcid.org/0000-0002-1746-0404"},"institutions":[{"id":"https://openalex.org/I184597095","display_name":"National Institute of Informatics","ror":"https://ror.org/04ksd4g47","country_code":"JP","type":"facility","lineage":["https://openalex.org/I1319490839","https://openalex.org/I184597095","https://openalex.org/I4210158934"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN","JP"],"is_corresponding":false,"raw_author_name":"Yi Sun","raw_affiliation_strings":["Information and Society Research Division, National Institute of Informatics, Tokyo, Japan","School of Computer and Control Engineering, University of Chinese Academy of Sciences, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Information and Society Research Division, National Institute of Informatics, Tokyo, Japan","institution_ids":["https://openalex.org/I184597095"]},{"raw_affiliation_string":"School of Computer and Control Engineering, University of Chinese Academy of Sciences, China","institution_ids":["https://openalex.org/I4210165038"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"67","last_page":"72"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11902","display_name":"Intelligent Tutoring Systems and Adaptive Learning","score":0.9991999864578247,"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"}},"topics":[{"id":"https://openalex.org/T11902","display_name":"Intelligent Tutoring Systems and Adaptive Learning","score":0.9991999864578247,"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/T11122","display_name":"Online Learning and Analytics","score":0.998199999332428,"subfield":{"id":"https://openalex.org/subfields/1706","display_name":"Computer Science Applications"},"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/T14025","display_name":"Educational Technology and Assessment","score":0.9825999736785889,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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":0.7676218152046204},{"id":"https://openalex.org/keywords/noise-reduction","display_name":"Noise reduction","score":0.6275572180747986},{"id":"https://openalex.org/keywords/constraint","display_name":"Constraint (computer-aided design)","score":0.5895107388496399},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.5434508323669434},{"id":"https://openalex.org/keywords/encoder","display_name":"Encoder","score":0.5148548483848572},{"id":"https://openalex.org/keywords/data-modeling","display_name":"Data modeling","score":0.5025815963745117},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.4991719722747803},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.4966941475868225},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.46667516231536865},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3698652386665344},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.09198758006095886}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7676218152046204},{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.6275572180747986},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.5895107388496399},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.5434508323669434},{"id":"https://openalex.org/C118505674","wikidata":"https://www.wikidata.org/wiki/Q42586063","display_name":"Encoder","level":2,"score":0.5148548483848572},{"id":"https://openalex.org/C67186912","wikidata":"https://www.wikidata.org/wiki/Q367664","display_name":"Data modeling","level":2,"score":0.5025815963745117},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.4991719722747803},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.4966941475868225},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.46667516231536865},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3698652386665344},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.09198758006095886},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","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},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.0},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/besc.2018.8697288","is_oa":false,"landing_page_url":"https://doi.org/10.1109/besc.2018.8697288","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 5th International Conference on Behavioral, Economic, and Socio-Cultural Computing (BESC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7400000095367432,"display_name":"Quality Education","id":"https://metadata.un.org/sdg/4"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320334764","display_name":"Japan Society for the Promotion of Science","ror":"https://ror.org/00hhkn466"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W22861983","https://openalex.org/W114517082","https://openalex.org/W568024311","https://openalex.org/W616464301","https://openalex.org/W880911330","https://openalex.org/W1597703949","https://openalex.org/W2004915807","https://openalex.org/W2025768430","https://openalex.org/W2039552226","https://openalex.org/W2047570292","https://openalex.org/W2051963836","https://openalex.org/W2072128103","https://openalex.org/W2085040216","https://openalex.org/W2096873754","https://openalex.org/W2122090912","https://openalex.org/W2135029798","https://openalex.org/W2137245235","https://openalex.org/W2148415528","https://openalex.org/W2201180357","https://openalex.org/W2218318129","https://openalex.org/W2949821452","https://openalex.org/W3023167651","https://openalex.org/W3143596294","https://openalex.org/W4231109964","https://openalex.org/W6600949241","https://openalex.org/W6623932449","https://openalex.org/W6674764686","https://openalex.org/W6677671969","https://openalex.org/W6680012447","https://openalex.org/W6680451568","https://openalex.org/W6688386640"],"related_works":["https://openalex.org/W4390516098","https://openalex.org/W2181948922","https://openalex.org/W2384362569","https://openalex.org/W4205302943","https://openalex.org/W2561132942","https://openalex.org/W2142795561","https://openalex.org/W3155418658","https://openalex.org/W4243199227","https://openalex.org/W3034789145","https://openalex.org/W4367628250"],"abstract_inverted_index":{"The":[0,75],"Cognitive":[1],"modelling":[2],"can":[3,54],"discover":[4],"the":[5,65,88],"latent":[6],"skills":[7],"of":[8],"students":[9],"for":[10],"predicting":[11],"their":[12],"performance":[13,26,85],"on":[14,46],"each":[15],"problem":[16],"and":[17],"formulate":[18],"personalized":[19],"remedy":[20],"recommendation.":[21],"However,":[22],"Uncovering":[23],"precise":[24],"student":[25,50,90],"data":[27,57],"without":[28,58],"noise":[29],"is":[30],"a":[31,43],"difficult":[32],"task.":[33],"In":[34],"order":[35],"to":[36,48,64],"solve":[37],"this":[38,40],"problem,":[39],"paper":[41],"proposes":[42],"method":[44,82],"based":[45],"auto-encoder":[47],"refine":[49],"response":[51,56,91],"data,":[52],"which":[53],"obtain":[55],"noise.":[59],"We":[60],"combine":[61],"educational":[62],"hypotheses":[63],"model":[66],"by":[67],"adding":[68],"Q":[69],"matrix":[70],"constraint":[71],"in":[72,86],"it.":[73],"Further,":[74],"experimental":[76],"results":[77],"show":[78],"that":[79],"our":[80],"proposed":[81],"has":[83],"better":[84],"refining":[87],"original":[89],"data.":[92]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}