Characterizing the life cycle of online news stories using social media reactions. - Carlos Castillo 001; Mohammed El-Haddad; Jürgen Pfeffer; Matt Stempeck (CSCW, 2014)

The battle for 'Trayvon Martin': Mapping a media controversy online and off-line. - Erhardt Graeff; Matt Stempeck; Ethan Zuckerman (First Monday, 2014)