Spoerri, A. (Nov 2009). Information Visualization. Princeton-Trenton Chapter of the Special Libraries’ Association, Princeton, NJ.

Spoerri, A. (June 2012). Visualizing the Power Set and Its Applications. Budapest University of Technology and Economics, Budapest, Hungary.

Spoerri, A. (July 2013). Visualizing the most Controversial and Popular Topics in Wikipedia. University of Zagreb, Department of Information and Communication Sciences, Zagreb, Croatia.

Spoerri, A. (July 2013). Visualizing the most Controversial and Popular Topics in Wikipedia. Graz University of Technology, Institute for Information Systems and Computer Media, Graz, Austria.

Spoerri, A. (Oct 2013). Visualizing the most Controversial and Popular Topics in Wikipedia. University of Richmond, Center of International Studies and Robins School of Business, Richmond, VA, USA.

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.