Implementing an Open Personal Learning Environment. - Alexandros Soumplis; Eleni Chatzidaki; Eleni Koulocheri; Michalis Nik Xenos (Panhellenic Conference on Informatics, 2011)

Learning Management Systems and Learning 2.0. - Alexandros Soumplis; Eleni Koulocheri; Nektarios Kostaras; Nikos Karousos; Michalis Nik Xenos (Int. J. Web Based Learn. Teach. Technol., 2011)

Applying Learning Analytics in an Open Personal Learning Environment: A Quantitative Approach. - Eleni Koulocheri; Alexandros Soumplis; Michalis Nik Xenos (Panhellenic Conference on Informatics, 2012)

Considering formal assessment in learning analytics within a PLE: the HOU2LEARN case. - Eleni Koulocheri; Michalis Nik Xenos (LAK, 2013)

Correlating Formal Assessment with Social Network Activity within a Personal Learning Environment. - Eleni Koulocheri; Michalis Xenos (Int. J. Web Based Learn. Teach. Technol., 2019)