{"id":"https://openalex.org/W1586303543","doi":"https://doi.org/10.1155/2015/493407","title":"Analysis of College Classes Based on U-CLASS System Using Personal Mobile Nodes","display_name":"Analysis of College Classes Based on U-CLASS System Using Personal Mobile Nodes","publication_year":2015,"publication_date":"2015-05-01","ids":{"openalex":"https://openalex.org/W1586303543","doi":"https://doi.org/10.1155/2015/493407","mag":"1586303543"},"language":"en","primary_location":{"id":"doi:10.1155/2015/493407","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2015/493407","pdf_url":"https://journals.sagepub.com/doi/pdf/10.1155/2015/493407","source":{"id":"https://openalex.org/S64417657","display_name":"International Journal of Distributed Sensor Networks","issn_l":"1550-1329","issn":["1550-1329","1550-1477"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869"],"host_organization_lineage_names":["Hindawi Publishing Corporation"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Distributed Sensor Networks","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://journals.sagepub.com/doi/pdf/10.1155/2015/493407","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5053840223","display_name":"Chonggun Kim","orcid":null},"institutions":[{"id":"https://openalex.org/I55240360","display_name":"Yeungnam University","ror":"https://ror.org/05yc6p159","country_code":"KR","type":"education","lineage":["https://openalex.org/I55240360"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Chonggun Kim","raw_affiliation_strings":["Department of Computer Engineering, Yeungnam University, Gyeongsan, Gyeongbuk 712-749, Republic of Korea"],"affiliations":[{"raw_affiliation_string":"Department of Computer Engineering, Yeungnam University, Gyeongsan, Gyeongbuk 712-749, Republic of Korea","institution_ids":["https://openalex.org/I55240360"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072688259","display_name":"Jeongmi Kim","orcid":"https://orcid.org/0000-0001-6593-3889"},"institutions":[{"id":"https://openalex.org/I55240360","display_name":"Yeungnam University","ror":"https://ror.org/05yc6p159","country_code":"KR","type":"education","lineage":["https://openalex.org/I55240360"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jeongmi Kim","raw_affiliation_strings":["Department of Computer Engineering, Yeungnam University, Gyeongsan, Gyeongbuk 712-749, Republic of Korea"],"affiliations":[{"raw_affiliation_string":"Department of Computer Engineering, Yeungnam University, Gyeongsan, Gyeongbuk 712-749, Republic of Korea","institution_ids":["https://openalex.org/I55240360"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021733566","display_name":"Hohwan Park","orcid":null},"institutions":[{"id":"https://openalex.org/I55240360","display_name":"Yeungnam University","ror":"https://ror.org/05yc6p159","country_code":"KR","type":"education","lineage":["https://openalex.org/I55240360"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Hohwan Park","raw_affiliation_strings":["Department of Computer Engineering, Yeungnam University, Gyeongsan, Gyeongbuk 712-749, Republic of Korea"],"affiliations":[{"raw_affiliation_string":"Department of Computer Engineering, Yeungnam University, Gyeongsan, Gyeongbuk 712-749, Republic of Korea","institution_ids":["https://openalex.org/I55240360"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5012586165","display_name":"Il-Kyu Ha","orcid":"https://orcid.org/0000-0002-1620-5516"},"institutions":[{"id":"https://openalex.org/I55240360","display_name":"Yeungnam University","ror":"https://ror.org/05yc6p159","country_code":"KR","type":"education","lineage":["https://openalex.org/I55240360"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Ilkyu Ha","raw_affiliation_strings":["Department of Computer Engineering, Yeungnam University, Gyeongsan, Gyeongbuk 712-749, Republic of Korea"],"affiliations":[{"raw_affiliation_string":"Department of Computer Engineering, Yeungnam University, Gyeongsan, Gyeongbuk 712-749, Republic of Korea","institution_ids":["https://openalex.org/I55240360"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5012586165"],"corresponding_institution_ids":["https://openalex.org/I55240360"],"apc_list":{"value":2200,"currency":"USD","value_usd":2200},"apc_paid":{"value":2200,"currency":"USD","value_usd":2200},"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.04847141,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"11","issue":"5","first_page":"493407","last_page":"493407"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11370","display_name":"Mobile Learning in Education","score":0.9987000226974487,"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"}},"topics":[{"id":"https://openalex.org/T11370","display_name":"Mobile Learning in Education","score":0.9987000226974487,"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"}},{"id":"https://openalex.org/T14067","display_name":"Cloud Computing and Remote Desktop Technologies","score":0.9621000289916992,"subfield":{"id":"https://openalex.org/subfields/1708","display_name":"Hardware and Architecture"},"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/T13565","display_name":"Education and Learning Interventions","score":0.9376000165939331,"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":0.8184195756912231},{"id":"https://openalex.org/keywords/attendance","display_name":"Attendance","score":0.7925750017166138},{"id":"https://openalex.org/keywords/class","display_name":"Class (philosophy)","score":0.721229612827301},{"id":"https://openalex.org/keywords/ask-price","display_name":"Ask price","score":0.6202510595321655},{"id":"https://openalex.org/keywords/mobile-device","display_name":"Mobile device","score":0.5104026198387146},{"id":"https://openalex.org/keywords/multimedia","display_name":"Multimedia","score":0.49557554721832275},{"id":"https://openalex.org/keywords/learning-management","display_name":"Learning Management","score":0.4278726577758789},{"id":"https://openalex.org/keywords/mathematics-education","display_name":"Mathematics education","score":0.41082024574279785},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.19315451383590698},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.17353194952011108},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.09246215224266052}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8184195756912231},{"id":"https://openalex.org/C2778173179","wikidata":"https://www.wikidata.org/wiki/Q25339289","display_name":"Attendance","level":2,"score":0.7925750017166138},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.721229612827301},{"id":"https://openalex.org/C90329073","wikidata":"https://www.wikidata.org/wiki/Q914232","display_name":"Ask price","level":2,"score":0.6202510595321655},{"id":"https://openalex.org/C186967261","wikidata":"https://www.wikidata.org/wiki/Q5082128","display_name":"Mobile device","level":2,"score":0.5104026198387146},{"id":"https://openalex.org/C49774154","wikidata":"https://www.wikidata.org/wiki/Q131765","display_name":"Multimedia","level":1,"score":0.49557554721832275},{"id":"https://openalex.org/C2779114481","wikidata":"https://www.wikidata.org/wiki/Q6510117","display_name":"Learning Management","level":2,"score":0.4278726577758789},{"id":"https://openalex.org/C145420912","wikidata":"https://www.wikidata.org/wiki/Q853077","display_name":"Mathematics education","level":1,"score":0.41082024574279785},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.19315451383590698},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.17353194952011108},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.09246215224266052},{"id":"https://openalex.org/C50522688","wikidata":"https://www.wikidata.org/wiki/Q189833","display_name":"Economic growth","level":1,"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/C136264566","wikidata":"https://www.wikidata.org/wiki/Q159810","display_name":"Economy","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1155/2015/493407","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2015/493407","pdf_url":"https://journals.sagepub.com/doi/pdf/10.1155/2015/493407","source":{"id":"https://openalex.org/S64417657","display_name":"International Journal of Distributed Sensor Networks","issn_l":"1550-1329","issn":["1550-1329","1550-1477"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869"],"host_organization_lineage_names":["Hindawi Publishing Corporation"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Distributed Sensor Networks","raw_type":"journal-article"},{"id":"pmh:oai:RePEc:sae:intdis:v:11:y:2015:i:5:p:493407","is_oa":false,"landing_page_url":"https://journals.sagepub.com/doi/10.1155/2015/493407","pdf_url":null,"source":{"id":"https://openalex.org/S4306401271","display_name":"RePEc: Research Papers in Economics","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I77793887","host_organization_name":"Federal Reserve Bank of St. Louis","host_organization_lineage":["https://openalex.org/I77793887"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"},{"id":"pmh:oai:doaj.org/article:7e8a664cd1e84b87bccdbad81e43ba23","is_oa":true,"landing_page_url":"https://doaj.org/article/7e8a664cd1e84b87bccdbad81e43ba23","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-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"International Journal of Distributed Sensor Networks, Vol 11 (2015)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1155/2015/493407","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2015/493407","pdf_url":"https://journals.sagepub.com/doi/pdf/10.1155/2015/493407","source":{"id":"https://openalex.org/S64417657","display_name":"International Journal of Distributed Sensor Networks","issn_l":"1550-1329","issn":["1550-1329","1550-1477"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869"],"host_organization_lineage_names":["Hindawi Publishing Corporation"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Distributed Sensor Networks","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Quality Education","score":0.7400000095367432,"id":"https://metadata.un.org/sdg/4"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320322120","display_name":"National Research Foundation of Korea","ror":"https://ror.org/013aysd81"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1586303543.pdf","grobid_xml":"https://content.openalex.org/works/W1586303543.grobid-xml"},"referenced_works_count":33,"referenced_works":["https://openalex.org/W24614686","https://openalex.org/W121643928","https://openalex.org/W157443930","https://openalex.org/W1564589805","https://openalex.org/W1568336093","https://openalex.org/W1729554609","https://openalex.org/W1954420372","https://openalex.org/W1971424444","https://openalex.org/W1972001973","https://openalex.org/W1995376739","https://openalex.org/W2005655474","https://openalex.org/W2024131662","https://openalex.org/W2032851030","https://openalex.org/W2044123523","https://openalex.org/W2062133454","https://openalex.org/W2094505669","https://openalex.org/W2105025378","https://openalex.org/W2125468779","https://openalex.org/W2160665635","https://openalex.org/W2166730218","https://openalex.org/W2169583903","https://openalex.org/W2186866768","https://openalex.org/W2227991846","https://openalex.org/W2272899302","https://openalex.org/W2316742910","https://openalex.org/W2320320365","https://openalex.org/W2801747026","https://openalex.org/W2809255101","https://openalex.org/W2949945006","https://openalex.org/W4237116380","https://openalex.org/W4242012440","https://openalex.org/W4292003697","https://openalex.org/W4380488575"],"related_works":["https://openalex.org/W2168627904","https://openalex.org/W2515552481","https://openalex.org/W156769215","https://openalex.org/W1570348318","https://openalex.org/W2015444353","https://openalex.org/W3013494979","https://openalex.org/W4308101915","https://openalex.org/W2102726926","https://openalex.org/W3194047734","https://openalex.org/W2251005117"],"abstract_inverted_index":{"The":[0,119],"increase":[1,38],"in":[2,102,148],"mobile":[3,32],"communications":[4,58],"has":[5],"led":[6],"to":[7,23,37,94,154],"advanced":[8],"educational":[9,44,83,110,123],"methods":[10],"and":[11,26,34,62,66,80,109,117,131,146,167],"technologies":[12],"through":[13],"accepting":[14],"new":[15],"technologies.":[16],"A":[17],"lot":[18],"of":[19,69,82,127,134,157],"studies":[20],"have":[21,35,162],"tried":[22,36],"overcome":[24],"temporal":[25],"spatial":[27],"limits":[28],"on":[29,121],"using":[30,41],"personal":[31],"devices":[33],"learning":[39,52],"effectiveness":[40],"various":[42],"efficient":[43],"methods.":[45],"In":[46,92],"this":[47],"paper,":[48],"U-CLASS,":[49],"an":[50],"interactive":[51,57],"management":[53],"system":[54,79,99],"that":[55,140],"provides":[56],"between":[59,144],"a":[60,73,103,107,163],"professor":[61,145],"students,":[63],"is":[64,151],"proposed":[65,78,98],"implemented.":[67],"Monitoring":[68],"academic":[70],"achievement":[71],"after":[72],"real":[74],"experiment":[75],"with":[76],"the":[77,86,97,113,122,135,141,149,155,158],"analysis":[81],"activities":[84,111,124],"during":[85],"experimental":[87],"class":[88,105],"are":[89],"important":[90],"points.":[91],"order":[93],"achieve":[95],"that,":[96],"was":[100],"used":[101],"practical":[104],"at":[106],"university,":[108],"from":[112],"classroom":[114,150],"were":[115],"gathered":[116],"analyzed.":[118],"data":[120],"include":[125],"frequency":[126],"questions,":[128],"attendance":[129,165],"rate,":[130],"seat":[132],"positions":[133],"students.":[136],"Analysis":[137],"results":[138],"show":[139,173],"average":[142],"distance":[143],"student":[147],"strongly":[152],"related":[153],"grade":[156],"student.":[159],"Students":[160],"who":[161,168],"higher":[164,174],"rate":[166],"ask":[169],"more":[170],"questions":[171],"commonly":[172],"achievement.":[175]},"counts_by_year":[{"year":2023,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}