Tactics, weapons, targets and rationale behind the actions of the mostly operational terrorist groups across Europe. - Ioanna K. Lekea; Panagiotis Karampelas; Konstantinos F. Xylogiannopoulos; Reda Alhajj (ASONAM, 2015)

Profiling individuals based on email analysis and ego networks: A visualization technique. - Antreas Xenaros; Panagiotis Karampelas; Ioanna K. Lekea (ASONAM, 2016)

Learn by playing: A serious war game simulation for teaching military ethics. - Savvas Veziridis; Panagiotis Karampelas; Ioanna K. Lekea (EDUCON, 2017)

Are We Really That Close Together? Tracing and Discussing Similarities and Differences between Greek Terrorist Groups Using Cluster Analysis. - Ioanna K. Lekea; Panagiotis Karampelas (EISIC, 2017)

Detecting Hate Speech Within the Terrorist Argument: A Greek Case. - Ioanna K. Lekea; Panagiotis Karampelas (ASONAM, 2018)