{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,1]],"date-time":"2025-11-01T17:09:09Z","timestamp":1762016949532,"version":"build-2065373602"},"reference-count":39,"publisher":"IEEE","license":[{"start":{"date-parts":[[2019,7,1]],"date-time":"2019-07-01T00:00:00Z","timestamp":1561939200000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2019,7,1]],"date-time":"2019-07-01T00:00:00Z","timestamp":1561939200000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2019,7]]},"DOI":"10.1109\/iisa.2019.8900682","type":"proceedings-article","created":{"date-parts":[[2019,11,25]],"date-time":"2019-11-25T18:47:21Z","timestamp":1574707641000},"page":"1-8","source":"Crossref","is-referenced-by-count":5,"title":["Comparative Study of Two Different Mooc Forums Posts Classifiers: Analysis and Generalizability Issues"],"prefix":"10.1109","author":[{"given":"Anastasios","family":"Ntourmas","sequence":"first","affiliation":[{"name":"University of Patras,Department of Electrical and Computer Engineering,Patras,Greece"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nikolaos","family":"Avouris","sequence":"additional","affiliation":[{"name":"University of Patras,Department of Electrical and Computer Engineering,Patras,Greece"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sophia","family":"Daskalaki","sequence":"additional","affiliation":[{"name":"University of Patras,Department of Electrical and Computer Engineering,Patras,Greece"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yannis","family":"Dimitriadis","sequence":"additional","affiliation":[{"name":"Universidad de Valladolid,School of Telecommunications Engineering,Valladolid,Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"263","reference":[{"key":"ref39","doi-asserted-by":"publisher","DOI":"10.2307\/2529310"},{"key":"ref38","article-title":"Forum thread recommendation for massive open online courses","author":"yang","year":"2014","journal-title":"Educational Data Mining 2014"},{"key":"ref33","doi-asserted-by":"publisher","DOI":"10.2307\/3315487"},{"key":"ref32","doi-asserted-by":"publisher","DOI":"10.1145\/2883851.2883916"},{"key":"ref31","doi-asserted-by":"publisher","DOI":"10.1145\/2724660.2728679"},{"key":"ref30","doi-asserted-by":"publisher","DOI":"10.3115\/v1\/W14-1804"},{"key":"ref37","doi-asserted-by":"publisher","DOI":"10.1023\/A:1011441423217"},{"key":"ref36","first-page":"137","article-title":"Text categorization with support vector machines: Learning with many relevant features","author":"joachims","year":"1998","journal-title":"European Conference on Machine Learning"},{"key":"ref35","first-page":"9","article-title":"Text classification by augmenting the bag-of-words representation with redundancy-compensated bigrams","author":"boulis","year":"2005","journal-title":"International Workshop in Feature Selection in Data Mining"},{"key":"ref34","first-page":"401","article-title":"A Greek morphological lexicon and its exploitation by natural language processing applications","author":"petasis","year":"2001","journal-title":"Panhellenic Conference on Informatics"},{"key":"ref10","first-page":"261","article-title":"Investigating automated student modeling in a Java MOOC","author":"yudelson","year":"2014","journal-title":"Educational Data Mining 2014"},{"key":"ref11","first-page":"25","article-title":"From practice fields to communities of practice","volume":"1","author":"barab","year":"2000","journal-title":"Theoretical Foundations of Learning Environments"},{"key":"ref12","doi-asserted-by":"crossref","first-page":"122","DOI":"10.1126\/science.1165919","article-title":"Why peer discussion improves student performance on in-class concept questions","volume":"323","author":"smith","year":"2009","journal-title":"Science"},{"key":"ref13","first-page":"13","article-title":"Studying learning in the worldwide classroom research into edX&#x2019;s first MOOC","volume":"8","author":"breslow","year":"2013","journal-title":"Research & Practice in Assessment"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.1016\/j.compedu.2009.09.030"},{"key":"ref15","doi-asserted-by":"publisher","DOI":"10.2190\/EC.47.4.f"},{"key":"ref16","doi-asserted-by":"publisher","DOI":"10.1109\/TLT.2014.2337900"},{"key":"ref17","article-title":"Discussion forums in MOOCs","volume":"12","author":"sharif","year":"2015","journal-title":"International Journal of Learning Teaching and Educational Research"},{"key":"ref18","doi-asserted-by":"publisher","DOI":"10.19173\/irrodl.v15i1.1593"},{"key":"ref19","doi-asserted-by":"publisher","DOI":"10.1111\/jcal.12131"},{"key":"ref28","doi-asserted-by":"publisher","DOI":"10.3115\/v1\/P14-1141"},{"key":"ref4","first-page":"29","article-title":"Technology for mining the big data of MOOCs","volume":"9","author":"o\u2019reilly","year":"2014","journal-title":"Research & Practice in Assessment"},{"key":"ref27","doi-asserted-by":"publisher","DOI":"10.3115\/v1\/W14-4103"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.19173\/irrodl.v16i3.2112"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1111\/bjet.12297"},{"key":"ref29","first-page":"218","article-title":"Learning Instructor Intervention from MOOC Forums: Early Results and Issues","author":"kumar","year":"2015","journal-title":"Education Data Mining"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1145\/2460296.2460330"},{"key":"ref8","first-page":"1","article-title":"Comparative study of MOOC forums: Does course subject matter?","author":"ntourmas","year":"2018","journal-title":"Panhellenic and International Conference ICT in Education"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.1145\/2723576.2723593"},{"key":"ref2","first-page":"84","article-title":"Online Educational Delivery Models: A Descriptive View","volume":"47","author":"hill","year":"2012","journal-title":"EDUCAUSE Review"},{"key":"ref9","first-page":"95","article-title":"Dropout: MOOC Participants&#x2019; Perspective","author":"liyanagunawardena","year":"0","journal-title":"Proceedings of the European MOOC Stakeholder Summit 2014"},{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1111\/bjet.12274"},{"key":"ref20","doi-asserted-by":"crossref","first-page":"288","DOI":"10.1145\/3291533.3291563","article-title":"Teaching assistants&#x2019; interventions in online courses: a comparative study of two massive open online courses","author":"ntourmas","year":"2018","journal-title":"11th Pan-Hellenic Conference in Informatics"},{"key":"ref22","doi-asserted-by":"publisher","DOI":"10.1145\/2723576.2723589"},{"key":"ref21","first-page":"406","article-title":"On Generalizability of MOOC Models","author":"kidzinsk","year":"2016","journal-title":"Educational Data Mining International Educational Data Mining Society"},{"key":"ref24","doi-asserted-by":"publisher","DOI":"10.1007\/978-981-287-868-7_48"},{"key":"ref23","first-page":"20","article-title":"Unsupervised classification of student dialogue acts with querylikelihood clustering","author":"ezen-can","year":"2013","journal-title":"Educational Data Mining"},{"key":"ref26","doi-asserted-by":"publisher","DOI":"10.7238\/rusc.v12i1.2253"},{"key":"ref25","doi-asserted-by":"publisher","DOI":"10.1145\/2876034.2893414"}],"event":{"name":"2019 10th International Conference on Information, Intelligence, Systems and Applications (IISA)","start":{"date-parts":[[2019,7,15]]},"location":"Patras, Greece","end":{"date-parts":[[2019,7,17]]}},"container-title":["2019 10th International Conference on Information, Intelligence, Systems and Applications (IISA)"],"original-title":[],"link":[{"URL":"http:\/\/xplorestaging.ieee.org\/ielx7\/8893976\/8900660\/08900682.pdf?arnumber=8900682","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,8,21]],"date-time":"2025-08-21T18:21:26Z","timestamp":1755800486000},"score":1,"resource":{"primary":{"URL":"https:\/\/ieeexplore.ieee.org\/document\/8900682\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2019,7]]},"references-count":39,"URL":"https:\/\/doi.org\/10.1109\/iisa.2019.8900682","relation":{},"subject":[],"published":{"date-parts":[[2019,7]]}}}