Xtralingua: An open-source tool for extracting quantitative text profiles. - Panagiotis Papantonakis; Fotios Fitsilis; Sotiris Leventis; George K. Mikros (DH, 2020)

Application of enterprise integration patterns for the digital transformation of parliamentary control. - Sotiris Leventis; Vassileios-Marios Anastassiou; Fotios Fitsilis (ICEGOV, 2020)

Diversification of Legislation Editing Open Software (LEOS) Using Software Agents - Transforming Parliamentary Control of the Hellenic Parliament into Big Open Legal Data. - Sotiris Leventis; Fotios Fitsilis; Vasileios Anastasiou (Big Data Cogn. Comput., 2021)