{"id":"https://openalex.org/W2876709698","doi":"https://doi.org/10.1145/3200947.3201049","title":"Evaluation of an Educational Training Platform Using Text Mining","display_name":"Evaluation of an Educational Training Platform Using Text Mining","publication_year":2018,"publication_date":"2018-07-06","ids":{"openalex":"https://openalex.org/W2876709698","doi":"https://doi.org/10.1145/3200947.3201049","mag":"2876709698"},"language":"en","primary_location":{"id":"doi:10.1145/3200947.3201049","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3200947.3201049","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 10th 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/A5050733876","display_name":"Nikolaos Spatiotis","orcid":null},"institutions":[{"id":"https://openalex.org/I1319660883","display_name":"Technological Educational Institute of Western Greece","ror":"https://ror.org/01mymm084","country_code":"GR","type":"education","lineage":["https://openalex.org/I1319660883"]}],"countries":["GR"],"is_corresponding":true,"raw_author_name":"Nikolaos Spatiotis","raw_affiliation_strings":["Computer and Informatics Engineering Dept., Technological Educational Institute of Western Greece, Greece"],"affiliations":[{"raw_affiliation_string":"Computer and Informatics Engineering Dept., Technological Educational Institute of Western Greece, Greece","institution_ids":["https://openalex.org/I1319660883"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013384377","display_name":"Isidoros Perikos","orcid":"https://orcid.org/0000-0002-6581-4676"},"institutions":[{"id":"https://openalex.org/I120729142","display_name":"Research Academic Computer Technology Institute","ror":"https://ror.org/021nszj63","country_code":"GR","type":"facility","lineage":["https://openalex.org/I120729142","https://openalex.org/I4210154149"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Isidoros Perikos","raw_affiliation_strings":["Computer Technology Institute and Press \"Diophantus\", Patras, Greece"],"affiliations":[{"raw_affiliation_string":"Computer Technology Institute and Press \"Diophantus\", Patras, Greece","institution_ids":["https://openalex.org/I120729142"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016006232","display_name":"Iosif Mporas","orcid":"https://orcid.org/0000-0001-6984-0268"},"institutions":[{"id":"https://openalex.org/I141584323","display_name":"University of Hertfordshire","ror":"https://ror.org/0267vjk41","country_code":"GB","type":"education","lineage":["https://openalex.org/I141584323"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Iosif Mporas","raw_affiliation_strings":["School of Engineering and Technology, University of Hertfordshire, United Kingdom"],"affiliations":[{"raw_affiliation_string":"School of Engineering and Technology, University of Hertfordshire, United Kingdom","institution_ids":["https://openalex.org/I141584323"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5023575472","display_name":"Michael Paraskevas","orcid":null},"institutions":[{"id":"https://openalex.org/I1319660883","display_name":"Technological Educational Institute of Western Greece","ror":"https://ror.org/01mymm084","country_code":"GR","type":"education","lineage":["https://openalex.org/I1319660883"]},{"id":"https://openalex.org/I120729142","display_name":"Research Academic Computer Technology Institute","ror":"https://ror.org/021nszj63","country_code":"GR","type":"facility","lineage":["https://openalex.org/I120729142","https://openalex.org/I4210154149"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Michael Paraskevas","raw_affiliation_strings":["Computer Technology Institute and Press \"Diophantus\", Patras, Greece and Computer and Informatics Engineering Dept., Technological Educational Institute of Western Greece, Greece"],"affiliations":[{"raw_affiliation_string":"Computer Technology Institute and Press \"Diophantus\", Patras, Greece and Computer and Informatics Engineering Dept., Technological Educational Institute of Western Greece, Greece","institution_ids":["https://openalex.org/I120729142","https://openalex.org/I1319660883"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5050733876"],"corresponding_institution_ids":["https://openalex.org/I1319660883"],"apc_list":null,"apc_paid":null,"fwci":0.4886,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.7255143,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10664","display_name":"Sentiment Analysis and Opinion Mining","score":0.9994999766349792,"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/T10664","display_name":"Sentiment Analysis and Opinion Mining","score":0.9994999766349792,"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/T13083","display_name":"Advanced Text Analysis Techniques","score":0.9976000189781189,"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":0.9803000092506409,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7657774686813354},{"id":"https://openalex.org/keywords/educational-data-mining","display_name":"Educational data mining","score":0.6920046806335449},{"id":"https://openalex.org/keywords/sentiment-analysis","display_name":"Sentiment analysis","score":0.6702576279640198},{"id":"https://openalex.org/keywords/variety","display_name":"Variety (cybernetics)","score":0.668587863445282},{"id":"https://openalex.org/keywords/polarity","display_name":"Polarity (international relations)","score":0.5279485583305359},{"id":"https://openalex.org/keywords/statistical-analysis","display_name":"Statistical analysis","score":0.45071399211883545},{"id":"https://openalex.org/keywords/order","display_name":"Order (exchange)","score":0.4487268030643463},{"id":"https://openalex.org/keywords/data-science","display_name":"Data science","score":0.4170722961425781},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.33394092321395874},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.31233131885528564},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.09099507331848145}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7657774686813354},{"id":"https://openalex.org/C2777598771","wikidata":"https://www.wikidata.org/wiki/Q5341279","display_name":"Educational data mining","level":2,"score":0.6920046806335449},{"id":"https://openalex.org/C66402592","wikidata":"https://www.wikidata.org/wiki/Q2271421","display_name":"Sentiment analysis","level":2,"score":0.6702576279640198},{"id":"https://openalex.org/C136197465","wikidata":"https://www.wikidata.org/wiki/Q1729295","display_name":"Variety (cybernetics)","level":2,"score":0.668587863445282},{"id":"https://openalex.org/C2777361361","wikidata":"https://www.wikidata.org/wiki/Q1112585","display_name":"Polarity (international relations)","level":3,"score":0.5279485583305359},{"id":"https://openalex.org/C2986587452","wikidata":"https://www.wikidata.org/wiki/Q938438","display_name":"Statistical analysis","level":2,"score":0.45071399211883545},{"id":"https://openalex.org/C182306322","wikidata":"https://www.wikidata.org/wiki/Q1779371","display_name":"Order (exchange)","level":2,"score":0.4487268030643463},{"id":"https://openalex.org/C2522767166","wikidata":"https://www.wikidata.org/wiki/Q2374463","display_name":"Data science","level":1,"score":0.4170722961425781},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.33394092321395874},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.31233131885528564},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.09099507331848145},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C1491633281","wikidata":"https://www.wikidata.org/wiki/Q7868","display_name":"Cell","level":2,"score":0.0},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3200947.3201049","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3200947.3201049","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 10th Hellenic Conference on Artificial Intelligence","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/4","score":0.8399999737739563,"display_name":"Quality Education"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1978503757","https://openalex.org/W2019759670","https://openalex.org/W2075939322","https://openalex.org/W2083958278","https://openalex.org/W2103498860","https://openalex.org/W2108646579","https://openalex.org/W2114524997","https://openalex.org/W2155328222","https://openalex.org/W2172344936","https://openalex.org/W2199803028","https://openalex.org/W2270941958","https://openalex.org/W2403225501","https://openalex.org/W2585732560","https://openalex.org/W2612769033","https://openalex.org/W2745022609","https://openalex.org/W3145020342","https://openalex.org/W3146306708"],"related_works":["https://openalex.org/W2548633793","https://openalex.org/W3013279174","https://openalex.org/W2941935829","https://openalex.org/W2400337198","https://openalex.org/W2354902965","https://openalex.org/W2596247554","https://openalex.org/W3132372214","https://openalex.org/W4224284088","https://openalex.org/W4286571989","https://openalex.org/W1984947604"],"abstract_inverted_index":{"Educational":[0],"data":[1,34],"mining":[2,53,103],"(EDM)":[3],"is":[4,106],"an":[5,101],"important":[6],"research":[7],"area":[8],"that":[9],"implements":[10],"and":[11,14,32,42,47,54,60,86,111],"develops":[12],"methods":[13],"statistical":[15],"techniques":[16],"for":[17],"discovering":[18],"new":[19,40],"insights":[20],"in":[21,73],"order":[22],"to":[23,38,108,118],"improve":[24],"the":[25,28,58],"performance":[26],"of":[27,76,84],"education":[29],"system.":[30],"Collecting":[31],"analyzing":[33],"makes":[35],"it":[36],"possible":[37],"do":[39],"discoveries":[41],"test":[43],"cases":[44],"about":[45],"learners":[46,59,89],"teachers.":[48],"Analyzing":[49],"feedback":[50,85],"using":[51],"text":[52],"sentiment/opinion":[55],"analysis":[56],"techniques,":[57],"teachers":[61],"opinions":[62],"are":[63],"categorized":[64],"into":[65],"positive":[66],"or":[67],"negative.":[68],"Feedback":[69],"can":[70],"be":[71],"collected":[72,96],"a":[74,81],"variety":[75],"ways.":[77],"In":[78],"this":[79],"paper,":[80],"large":[82],"number":[83],"comments":[87,116],"from":[88,97],"who":[90],"attended":[91],"e-learning,":[92],"life-long":[93],"courses":[94],"were":[95],"questionnaires.":[98],"We":[99],"present":[100],"opinion":[102],"system,":[104],"which":[105],"used":[107],"analyze":[109],"automatically":[110],"classify":[112],"these":[113],"free-text":[114],"user":[115],"according":[117],"their":[119],"polarity.":[120]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
