Spoerri, A. (Nov 2013). Visualizing the Edit Wars in Wikipedia. Yale University, Information Society Project at the Yale Law School, New Haven, CT, USA.

Spoerri, A. (Nov 2013). Visualizing the most Controversial and Popular Topics in Wikipedia. Harvard University, Berkman Center for Internet & Society, Cambridge, MA, USA.

Spoerri, A. (April 2014) Visualizing Set Data. N.J. chapter of the Association of College & Research Libraries (ACRL), Rutgers University, New Brunswick, NJ, USA.

Spoerri, A. (May 2014) Information Visualization. Association of American Publishers, Meeting of the Professional and Scholarly Publications Books Committee, New York City, USA.

Spoerri, A. (May 2014). searchCrystal and Set Visualization. Bergen University, Department of Informatics, Visual Computing Forum, Bergen, Norway.

Spoerri, A. (May 2014). Visualizing the most Controversial and Popular Topics in Wikipedia. Oslo and Akershus University College of Applied Sciences, Department of Archivistics, Library and Information Science, Oslo, Norway.

Spoerri, A. (Jun 2014). Using searchCrystal to Visualize Set Data. Vienna University of Technology, Institute of Software Technology and Interactive Systems, Vienna, Austria.

Spoerri, A. (Jun 2014). Visualizing the most Controversial and Popular Topics in Wikipedia. St. Poelten University of Applied Sciences, Institute of Creative\Media/Technologies, St. Poelten, Austria.

Spoerri, A. (Jun 2014). Visualizing the most Controversial and Popular Topics in Wikipedia. Central European University, Center for Network Science, Budapest, Hungary.

Spoerri, A. (Aug 2014). Visualizing the most Controversial and Popular Topics in Wikipedia. University of Helsinki, Department of Media and Communication Studies, Helsinki, Finland.