By employing Text Mining methods such as Structural Topic Modeling to examine all 2,135 speeches by ECB Executive Board members between February 1997 and October 2019, this paper identifies and analyses a significant semantic change that occurred in ECB communication in the transition from Great...

Big data, surveillance and crisis management / by Kees Boersma and Chiara Fonio -- Social media and crisis management -- The use of social media for crisis management : a privacy by design approach / by Muhammad Imran, Patrick Meier and Kees Boersma -- Mining social media for effective crisis...