Estimating countries' peace index through the lens of the world news as monitored by GDELT. - Vasiliki Voukelatou; Luca Pappalardo; Ioanna Miliou; Lorenzo Gabrielli; Fosca Giannotti (DSAA, 2020)

Understanding peacefulness through the world news. - Vasiliki Voukelatou; Ioanna Miliou; Fosca Giannotti; Luca Pappalardo (CoRR, 2021)

Measuring objective and subjective well-being: dimensions and data sources. - Vasiliki Voukelatou; Lorenzo Gabrielli; Ioanna Miliou; Stefano Cresci; Rajesh Sharma; Maurizio Tesconi; Luca Pappalardo (Int. J. Data Sci. Anal., 2021)

Understanding peace through the world news. - Vasiliki Voukelatou; Ioanna Miliou; Fosca Giannotti; Luca Pappalardo (EPJ Data Sci., 2022)