Feel the World: A Mobile Framework for Participatory Sensing. - Theophilos Phokas; Hariton Efstathiades; George Pallis 001; Marios D. Dikaiakos (MobiWIS, 2013)

A study of the online profile of enterprise users in professional social networks. - Alessandro Bozzon; Hariton Efstathiades; Geert-Jan Houben; Robert-Jan Sips (WWW (Companion Volume), 2014)

Identification of Key Locations based on Online Social Network Activity. - Hariton Efstathiades; Demetris Antoniades; George Pallis 001; Marios D. Dikaiakos (ASONAM, 2015)

Online social network evolution: Revisiting the Twitter graph. - Hariton Efstathiades; Demetris Antoniades; George Pallis 001; Marios D. Dikaiakos; Zoltán Szlávik; Robert-Jan Sips (IEEE BigData, 2016)

Distributed Large-Scale Data Collection in Online Social Networks. - Hariton Efstathiades; Demetris Antoniades; George Pallis 001; Marios D. Dikaiakos (CIC, 2016)

Users key locations in online social networks: identification and applications. - Hariton Efstathiades; Demetris Antoniades; George Pallis 001; Marios D. Dikaiakos (Soc. Netw. Anal. Min., 2016)