1. Attfield, S., Piwowarski, B., Kazai, G.: Towards a science of user engagement. WSDM Workshop on User Modelling for Web Applications, Hong Kong (2011)
2. Anwar, A., Salama, G.I., Abdelhalim, M.B.: Video classification and retrieval using arabic closed caption. In: ICIT 2013 The 6th International Conference on Information Technology VIDEO (2013)
3. Dong, A., Li, H.: Ontology-driven Annotation and Access of Presentation Video Data. Estud. Econ. Apl 26, 840–860 (2008)
4. Brezeale, D., Cook, D.J.: Learning video preferences using visual features and closed captions. IEEE Multimed. 16, 39–47 (2009)
5. Bruijn, J.D., Heymans, S.: Logical foundations of RDF (S) with datatypes. J. Artif. Intell. Res 38, 535–568 (2010)