{"id":"https://openalex.org/W4287921665","doi":"https://doi.org/10.1007/s40747-022-00796-5","title":"A privacy-preserving student status monitoring system","display_name":"A privacy-preserving student status monitoring system","publication_year":2022,"publication_date":"2022-07-26","ids":{"openalex":"https://openalex.org/W4287921665","doi":"https://doi.org/10.1007/s40747-022-00796-5"},"language":"en","primary_location":{"id":"doi:10.1007/s40747-022-00796-5","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s40747-022-00796-5","pdf_url":"https://link.springer.com/content/pdf/10.1007/s40747-022-00796-5.pdf","source":{"id":"https://openalex.org/S3035462843","display_name":"Complex & Intelligent Systems","issn_l":"2198-6053","issn":["2198-6053","2199-4536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Complex & Intelligent Systems","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://link.springer.com/content/pdf/10.1007/s40747-022-00796-5.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5089726364","display_name":"Haopeng Wu","orcid":"https://orcid.org/0000-0001-8401-0203"},"institutions":[{"id":"https://openalex.org/I162868743","display_name":"Tianjin University","ror":"https://ror.org/012tb2g32","country_code":"CN","type":"education","lineage":["https://openalex.org/I162868743"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Haopeng Wu","raw_affiliation_strings":["School of Electrical and Information Engineering, Tianjin University, WeiJin Road, Tianjin, 300072, China"],"affiliations":[{"raw_affiliation_string":"School of Electrical and Information Engineering, Tianjin University, WeiJin Road, Tianjin, 300072, China","institution_ids":["https://openalex.org/I162868743"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100615628","display_name":"Zhiying Lu","orcid":"https://orcid.org/0000-0003-3445-8637"},"institutions":[{"id":"https://openalex.org/I162868743","display_name":"Tianjin University","ror":"https://ror.org/012tb2g32","country_code":"CN","type":"education","lineage":["https://openalex.org/I162868743"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhiying Lu","raw_affiliation_strings":["School of Electrical and Information Engineering, Tianjin University, WeiJin Road, Tianjin, 300072, China"],"affiliations":[{"raw_affiliation_string":"School of Electrical and Information Engineering, Tianjin University, WeiJin Road, Tianjin, 300072, China","institution_ids":["https://openalex.org/I162868743"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100374703","display_name":"Jianfeng Zhang","orcid":"https://orcid.org/0000-0001-8543-8084"},"institutions":[{"id":"https://openalex.org/I28006308","display_name":"Shandong Normal University","ror":"https://ror.org/01wy3h363","country_code":"CN","type":"education","lineage":["https://openalex.org/I28006308"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianfeng Zhang","raw_affiliation_strings":["School of Information Science and Engineering, Shandong Normal University, 88 Wenhua East Road, Jinan, 250014, Shandong, China"],"affiliations":[{"raw_affiliation_string":"School of Information Science and Engineering, Shandong Normal University, 88 Wenhua East Road, Jinan, 250014, Shandong, China","institution_ids":["https://openalex.org/I28006308"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5089726364"],"corresponding_institution_ids":["https://openalex.org/I162868743"],"apc_list":{"value":1320,"currency":"GBP","value_usd":1619},"apc_paid":{"value":1320,"currency":"GBP","value_usd":1619},"fwci":0.4163,"has_fulltext":true,"cited_by_count":4,"citation_normalized_percentile":{"value":0.67980028,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":98},"biblio":{"volume":"9","issue":"1","first_page":"597","last_page":"608"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.993399977684021,"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/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.993399977684021,"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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9854999780654907,"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"}},{"id":"https://openalex.org/T11598","display_name":"Internet Traffic Analysis and Secure E-voting","score":0.9797000288963318,"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":0.7478627562522888},{"id":"https://openalex.org/keywords/class","display_name":"Class (philosophy)","score":0.6820321083068848},{"id":"https://openalex.org/keywords/active-listening","display_name":"Active listening","score":0.6479026675224304},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.4979698657989502},{"id":"https://openalex.org/keywords/computational-intelligence","display_name":"Computational intelligence","score":0.494992196559906},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.4779520034790039},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.44699302315711975},{"id":"https://openalex.org/keywords/work","display_name":"Work (physics)","score":0.4301873445510864},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.11845558881759644},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.1068754494190216}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7478627562522888},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.6820321083068848},{"id":"https://openalex.org/C177291462","wikidata":"https://www.wikidata.org/wiki/Q423038","display_name":"Active listening","level":2,"score":0.6479026675224304},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.4979698657989502},{"id":"https://openalex.org/C139502532","wikidata":"https://www.wikidata.org/wiki/Q1122090","display_name":"Computational intelligence","level":2,"score":0.494992196559906},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.4779520034790039},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.44699302315711975},{"id":"https://openalex.org/C18762648","wikidata":"https://www.wikidata.org/wiki/Q42213","display_name":"Work (physics)","level":2,"score":0.4301873445510864},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.11845558881759644},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.1068754494190216},{"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/C46312422","wikidata":"https://www.wikidata.org/wiki/Q11024","display_name":"Communication","level":1,"score":0.0},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1007/s40747-022-00796-5","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s40747-022-00796-5","pdf_url":"https://link.springer.com/content/pdf/10.1007/s40747-022-00796-5.pdf","source":{"id":"https://openalex.org/S3035462843","display_name":"Complex & Intelligent Systems","issn_l":"2198-6053","issn":["2198-6053","2199-4536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Complex & Intelligent Systems","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:4c347c27487d4c2ebace5c0d726a58ec","is_oa":true,"landing_page_url":"https://doaj.org/article/4c347c27487d4c2ebace5c0d726a58ec","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Complex & Intelligent Systems, Vol 9, Iss 1, Pp 597-608 (2022)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1007/s40747-022-00796-5","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s40747-022-00796-5","pdf_url":"https://link.springer.com/content/pdf/10.1007/s40747-022-00796-5.pdf","source":{"id":"https://openalex.org/S3035462843","display_name":"Complex & Intelligent Systems","issn_l":"2198-6053","issn":["2198-6053","2199-4536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Complex & Intelligent Systems","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.44999998807907104,"id":"https://metadata.un.org/sdg/4","display_name":"Quality Education"}],"awards":[{"id":"https://openalex.org/G150416403","display_name":null,"funder_award_id":"Grant No. 61972282","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2087396116","display_name":null,"funder_award_id":"China","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3085993365","display_name":null,"funder_award_id":"(Grant No.","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3317480652","display_name":null,"funder_award_id":"Science","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G37568934","display_name":null,"funder_award_id":"Grant","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5249178904","display_name":null,"funder_award_id":"Grant No. 6","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5547953984","display_name":null,"funder_award_id":"61972282","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5901579862","display_name":null,"funder_award_id":"61972282","funder_id":"https://openalex.org/F4320315254","funder_display_name":"Innovative Research Group Project of the National Natural Science Foundation of China"},{"id":"https://openalex.org/G5994120800","display_name":null,"funder_award_id":"Natural","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7726157001","display_name":null,"funder_award_id":"Grant No.","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320315254","display_name":"Innovative Research Group Project of the National Natural Science Foundation of China","ror":null},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4287921665.pdf","grobid_xml":"https://content.openalex.org/works/W4287921665.grobid-xml"},"referenced_works_count":25,"referenced_works":["https://openalex.org/W1967282980","https://openalex.org/W2081112272","https://openalex.org/W2127260529","https://openalex.org/W2164943005","https://openalex.org/W2296594836","https://openalex.org/W2520742745","https://openalex.org/W2526578496","https://openalex.org/W2585635281","https://openalex.org/W2604723872","https://openalex.org/W2744999500","https://openalex.org/W2792748909","https://openalex.org/W2884985453","https://openalex.org/W2919358988","https://openalex.org/W2962934715","https://openalex.org/W2962993699","https://openalex.org/W2963318081","https://openalex.org/W2964051675","https://openalex.org/W2964159205","https://openalex.org/W2989289980","https://openalex.org/W2990963257","https://openalex.org/W2999516459","https://openalex.org/W3127520698","https://openalex.org/W3128486603","https://openalex.org/W3136580983","https://openalex.org/W3169879351"],"related_works":["https://openalex.org/W2317723112","https://openalex.org/W2475724061","https://openalex.org/W2773393136","https://openalex.org/W2174706483","https://openalex.org/W2997121352","https://openalex.org/W2800924481","https://openalex.org/W2347374574","https://openalex.org/W2386353421","https://openalex.org/W2140505595","https://openalex.org/W2375797141"],"abstract_inverted_index":{"Abstract":[0],"Timely":[1],"feedback":[2],"of":[3,52,62,71,86,142,178,184],"students\u2019":[4,53,72,115],"listening":[5,84],"status":[6,85],"is":[7,14],"crucial":[8],"for":[9,17],"teaching":[10,42],"work.":[11,43],"However,":[12,44],"it":[13],"often":[15],"difficult":[16],"teachers":[18],"to":[19,22,39,58,81,125,137,161],"pay":[20],"attention":[21],"all":[23],"students":[24,87],"at":[25],"the":[26,34,41,45,50,60,69,83,89,94,126,129,134,139,143,148,153,156,163,176,179,185],"same":[27],"time.":[28],"By":[29,146],"leveraging":[30],"surveillance":[31],"cameras":[32],"in":[33,88,97,106],"classroom,":[35],"we":[36,101],"are":[37,66,159],"able":[38,160],"assist":[40],"existing":[46],"methods":[47],"either":[48],"lack":[49],"protection":[51],"privacy,":[54],"or":[55],"they":[56,65],"have":[57],"reduce":[59],"accuracy":[61],"success,":[63],"because":[64],"concerned":[67],"about":[68],"leakage":[70],"privacy.":[73,116],"We":[74,117],"propose":[75],"federated":[76,108],"semi-supervised":[77,95,104],"class":[78,157,165],"assistance":[79],"system":[80,181],"evaluate":[82],"classroom.":[90],"Rather":[91],"than":[92],"training":[93,140],"model":[96,105,132,136],"a":[98,103,107,120],"centralized":[99],"manner,":[100],"train":[102],"manner":[109],"among":[110],"various":[111],"monitors":[112,158],"while":[113],"preserving":[114],"also":[118],"formulate":[119],"new":[121],"loss":[122],"function":[123],"according":[124],"difference":[127],"between":[128],"pre-trained":[130],"initial":[131],"and":[133,170],"expected":[135],"restrict":[138],"process":[141],"unlabeled":[144,154],"data.":[145],"applying":[147],"pseudo-label":[149],"assignment":[150],"method":[151],"on":[152],"data,":[155],"recognize":[162],"student":[164],"behavior.":[166],"In":[167],"addition,":[168],"simulation":[169],"real-world":[171],"experimental":[172],"results":[173],"demonstrate":[174],"that":[175,183],"performance":[177],"proposed":[180],"outperforms":[182],"baseline":[186],"models.":[187]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2}],"updated_date":"2026-04-18T07:56:08.524223","created_date":"2025-10-10T00:00:00"}