Cresci, Stefano, Andrea Cimino, Marco Avvenuti, Maurizio Tesconi, and Felice Dell’Orletta. 2018. “Real-World Witness Detection in Social Media via Hybrid Crowdsensing”. Proceedings of the International AAAI Conference on Web and Social Media 12 (1). https://doi.org/10.1609/icwsm.v12i1.15072.