Invited Talks


Keynote: Messing up your Urban Data. Symposium on "The Future of Urban Network Research", Ghent University, Belgium, September 18-20.

Social Media Data - Not Only Human After All. Department of Humanities, Social and Political Sciences, ETH, Zurich, March 14, 2017.

Large Social Networks - Algorithmic and Methodological Issues. Munich Center for Mathematical Philosophy, LMU, Munich, Germany, December 7, 2016.

How much of Social Media Data is Actually Human Behavior? BEWIP Seminar, TUM School of Management, Technical University of Munich, Germany, December 6, 2016.

Challenges arising from Studying Large-Scale Socio-Cultural Systems. Workgroup Computational Social Science, Konstanz, Germany, July 7-8, 2016.

Keynote: Applying Social Network Analysis Metrics to Large-Scale Hyperlinked Data. Wiki Workshop @ The 10th International AAAI Conference on Web and Social Media (ICWSM), Cologne, Germany, May 17, 2016.

Keynote: Know Your Data! Know Your Methods!. 2nd Computational Social Science Winter Symposium, Cologne, Germany, December 1-2, 2015.

Know Your Data! Know Your Networks!. Network Science Institute, Northeastern University, Boston, USA, December 8, 2015.

Challenges arising from Studying Structure and Dynamics of Large-Scale Socio-Cultural Systems. Technical University Munich, April 27, 2015.

Visual analytics in mapping of socio-semantic networks. Euroscience Open Forum 2014, Copenhagen, Denmark, June 21-26.

Some Issues Related to Automated Text Analysis. University of Vienna, Department of Communication, Austria, May 2014.

Social Media Data: Studying Socio-Cultural Systems or Technical Artifacts? Machine Learning & Social Science Seminar, Carnegie Mellon University, Pittsburgh, USA, April 2014.

Why 'Social' is quite important for Social Network Analysis. Electrical & Computer Engineering, Carnegie Mellon University, Pennsylvania, March 2014.

Understanding Socio-Cultural Systems by Analyzing Networks. Florida Atlantic University, Boca Raton, Florida, January 2014.

Keynote: Big data, big research? Opportunities and constraints for computer supported social science. Digital Methods Conference, Vienna, Austria, November 2013.

Network Structures Tell Stories. School of Information Sciences, University of Pittsburgh, November 2013.

The bad and the ugly: Online firestorms and hate propagation in social media networks. Social Computing and Crisis in the New Information Age, Brussels, Belgium, October 2013.

Why Meaningful Analysis of Big Network Data is Not Trivial. Northeastern University, Boston-Cambridge Colloquium on Complexity and Social Networks (BCCCSN), Boston, USA, July 2013.

Social Network Analysis: The Role of Computer Science. University of Hamburg, Department of Informatics, Germany, June 2013.

Multi-Level Analysis of Communication Dynamics. University of Vienna, Department of Methods in the Social Sciences, Austria, April 2013.

Analyzing and Simulating Dynamics in Social Networks. University of Hamburg, Center for Globalization and Governance, Germany, December 2012.

Network Analysis as Method to Describe Structure and Dynamics in Organizations and Societies. University of Vienna, Department of Methods in the Social Sciences, Austria, October 2012.

Keynote: Challenges Arising from Analyzing Dynamic Social Computing Networks. Collaborative Communities for Social Computing - CCSocialComp 2012 Workshop, Pittsburgh, USA, October 2012.

Network Analysis of Large Amounts of Newspaper Articles. University of Vienna, School of Social Sciences, Austria, May 2012.

Diffusion of Opinions and Beliefs in Interpersonal Communication Networks. Institute for Science and Art, Vienna, Austria, May 2012.

Toward a Real Time Analysis of Large-Scale Dynamic Socio-Cultural Systems. Carnegie Mellon University, ISR/SCS, Pittsburgh, USA, November 2011.

Structure and Dynamics of Human-to-Human Communication Networks from the Perspective of the Diffusion of Information, Opinions, and Messages. University of Konstanz, Germany, July 2010.

Networking as a "natural enemy" of the fight against corruption? Transparency International, Austrian Chapter, December 2009.

Analysis of Cluster Development on Social Network Sites. Conference on Identity Presentation, Communication, and Privacy on Social Network Sites, University of Basel, Switzerland, October 2009.

I Heard it through the Grapevine - Epidemiological Aspects of Viral Marketing; Social Network Analysis as an Instrument of Viral Marketing. Cologne, Berlin, Medebach, Germany. Guerilla Marketing Tour, October, November 2008.

Structure and Dynamics of Interpersonal Networks. vm people LLC, Berlin, Germany, June 2008.

Networking and Lobbying. Network for Natural Energy, Weiz, Austria, February 2008.

Network Management. Business Circle Austria, November 2007.

Social Network Analysis for Historians. University of Vienna, Institute for History, Austria, March 2006.

Tools for Creating Networks from Relational Data. Conference of Social Networks, Technology Transfer, and Business, San Francisco, USA, February 2005.

Sunbelt & other Conference Talks


2017

Mahrenbach, Laura & Mayer, Katja & Pfeffer, Jürgen (2017). Policy Visions of Big Data: Views from the Global South. 11th Pan-European Conference on International Relations, Barcelona, Spain, September 13-16.

Mahrenbach, Laura & Pfeffer, Jürgen (2017). Big Data and the BRICS. Big data in the Global South: Challenges and Opportunities, Aalborg University, September 28-29.

Mayer, Katja & Pfeffer, Jürgen (2017). The spectre of big data: N=all. Resituati ng sampling in big social data. Data Power 2017, Ottawa, Canada, June, 22-23.

Mircea, Maria & Pfeffer, Jürgen (2017). Galois Lattice and Positional Dominance. Ars'17 International Workshop on Social Network Analysis, BEST POSTER AWARD, Naples, Italy, May 15-17.

2016

Malik, Momin M. & Pfeffer, Jürgen (2016). Platform effects in social media networks. Platform effects in social media networks, Kellogg School of Management at Northwestern University, Evanston, Illinois.

Iorio, Alessandro & Pfeffer, Jürgen (2016). Divide and Rule: A Network Assessment of the Italian Anti-Interlocking Law. Sunbelt XXXVI Conference, Newport Beach, CA, April 5-10.

Fabusuyi, Tayo & Pfeffer, Jürgen (2016). An Application of Input-Output Networks to Regional Economies . Sunbelt XXXVI Conference, Newport Beach, CA, April 5-10.

Haimson, Oliver & Pfeffer, Jürgen & Hayes, Gillian (2016). Intersections and Separations in Gender and Race-Focused Social Media Movements. Sunbelt XXXVI Conference, Newport Beach, CA, April 5-10.

Malik, Momin M. & Pfeffer, Jürgen (2016). Platform Effects in Social Media Networks. Sunbelt XXXVI Conference, Newport Beach, CA, April 5-10.

Pfeffer, Jürgen & Morstatter, Fred (2016). Tackling User Bias in Social Media to Increase Prediction Validity of Political Opinions. Sunbelt XXXVI Conference, Newport Beach, CA, April 5-10.

Christopoulos, Dimitrios & Pfeffer, Jürgen (2016). Online Political Media: Twitter activity on the run-up to the Scottish Referendum. Sunbelt XXXVI Conference, Newport Beach, CA, April 5-10.

Brantner, Cornelia & Pfeffer, Jürgen (2016). Trans-/Internationalization of Climate Change Discourse on Twitter. Sunbelt XXXVI Conference, Newport Beach, CA, April 5-10.

Zorbach, Thomas & Pfeffer, Jürgen (2016). Pizza Talk IV: Fighting back Shitstorms with an Army of Superfans. Sunbelt XXXVI Conference, Newport Beach, CA, April 5-10.

Pfeffer, Jürgen & Batagelj, Vladimir & Boerner, Katy & Brandes, Ulrik & Hong, Seok-Hee & Johnson, C. Jeffrey & Krempel, Lothar & Mrvar, Andrej (2016). Viszards Session. Sunbelt XXXVI Conference, Newport Beach, CA, April 5-10.

Brantner, Cornelia & Pfeffer, Jürgen (2016). Internationalization of Climate Change Discourse on Twitter. General Online Research, Dresden, Germany, March 2-3, 2016.

2015

Pfeffer, Jürgen & Freeman, Lin (2015). The Historic Development of Network Visualization. Sunbelt XXXV Conference, Brighton, UK, June 23-28.

Tawa, John & Negrón, Rosalyn & Pfeffer, Jürgen (2015). A mixed-method procedure for the development of metrics of interpersonal behavior using continuous space-time data. Society for Personality and Social Psychology's Dynamical Systems & Computational Modeling preconference meeting, Los Angeles, CA, Februar 26.

2014

Götzenbrucker, Gerit & Kayali, Fares & Purgathofer, Peter & Schwarz, Vera & Pfeffer, Jürgen & Franz, Barbara (2014). Social play for integration. ECREA ECC 2014 Communication for Empowerment. Pre-Conference "Games and Society", Lisbon, Portugal, November 11.

Lee, Ju-Sung & Pfeffer, Jürgen (2014). Measurement Accuracy in Samples of Online Communication Networks. EUSN, 1st European Conference on Social Networks, Barcelona, July 1-4 2014.

Carley, Kathleen M. & Pfeffer, Jürgen & Malik, Momin M. & Landwehr, Peter & Wei, Wei (2014). Twitter Usage in Indonesia. Hazard SEES Disaster Response Workshop,, Pittsburgh, PA, April 4-5.

Carley, Kathleen M. & Pfeffer, Jürgen & Landwehr, Peter & Wei, Wei & Malik, Momin M. (2014). Using Twitter to Track Disaster Needs and Response. Hazard SEES Disaster Response Workshop, Pittsburgh, PA, April 4-5.

Pfeffer, Jürgen & Malik, Momin M. (2014). Social Media Data: Real Social Networks or Merely Technical Artifacts? Sunbelt XXXIV Conference, St. Petersburg, Florida, February 18-22.

Mayer, Katja & Pfeffer, Jürgen (2014). On the Importance of Isolates in Text Networks. Sunbelt XXXIV Conference, St. Petersburg, Florida, February 18-22.

Hopton, Sarah Beth & Pfeffer, Jürgen & Skvoretz, John (2014). A Critical Discourse Analysis of the Rhetorics of Agent Orange. Sunbelt XXXIV Conference, St. Petersburg, Florida, February 18-22.

Lee, Ju-Sung & Pfeffer, Jürgen (2014). Approximating Network Measures for Large Scale Networks of Varying Size, Density, Typologies, and Subsampling Levels. Sunbelt XXXIV Conference, St. Petersburg, Florida, February 18-22.

Tawa, John & Pfeffer, Jürgen & Morstatter, Fred & Negrón, Rosalyn (2014). Effects of Resource Competition on Blacks' Whites' and Asians' Spatio-Temporal Interactions. Sunbelt XXXIV Conference, St. Petersburg, Florida, February 18-22.

Hollstein, Betina & Maas, Martina & Pfeffer, Jürgen (2014). How does Social Capital affect Occupational Careers of Investor Relations Managers? Sunbelt XXXIV Conference, St. Petersburg, Florida, February 18-22.

Malik, Momin M. & Pfeffer, Jürgen & Agarwal, Yuvraj (2014). Inferring Social Networks from Sensor Data. Sunbelt XXXIV Conference, St. Petersburg, Florida, February 18-22.

Zorbach, Thomas & Pfeffer, Jürgen (2014). Pizza Talk III: Online Firestorms - Negative Dynamics in Social Media Networks. Sunbelt XXXIV Conference, St. Petersburg, Florida, February 18-22.

Negrón, Rosalyn & Tawa, John & Pfeffer, Jürgen (2014). Describing Spatio-Temporal Group Activities - A Mixed Methods Approach. Sunbelt XXXIV Conference, St. Petersburg, Florida, February 18-22.

Töpfer, Tom & Hollstein, Betina & Zanker, Dagmar & Pfeffer, Jürgen (2014). Collecting Ego Networks with Visual Tools - A Comparative Study of Network Data Collection Instruments (Poster). Sunbelt XXXIV Conference, St. Petersburg, Florida, February 18-22.

2013

Carley, Kathleen M. & Pfeffer, Jürgen (2013). Concepts and Measures for Two-Mode Networks. Sunbelt XXXIII Conference, Hamburg, Germany, May 21-26.

Pfeffer, Jürgen & Carley, Kathleen M. & Schmerl, Bradley & Garlan, David (2013). Network Analysis for Big Data in Resource-Constrained Environments. Sunbelt XXXIII Conference, Hamburg, Germany, May 21-26.

Maas, Martina & Hollstein, Betina & Bassen, Alexander & Pfeffer, Jürgen (2013). Impact of Social Capital on Professional Careers of Investor Relations Managers (Poster). Sunbelt XXXIII Conference, Hamburg, Germany, May 21-26.

Götzenbrucker, Gerit & Schwarz, Vera & Pfeffer, Jürgen (2013). Social Integration, Social Media Usage, and Ethnic Background of Teenagers. Sunbelt XXXIII Conference, Hamburg, Germany, May 21-26.

2012

Pfeffer, Jürgen & Carley, Kathleen M. (2012). Using k-centralities to approximate centrality measures in large networks. Sunbelt XXXII Conference, Redondo Beach, March 12-18.

Hollstein, Betina & Zanker, Dagmar & Pfeffer, Jürgen (2012). Neighborhood Cultures? Neighborhood Networks of Turkish and Russian Speaking Immigrants in Germany and their differences to networks of indigenous people. Sunbelt XXXII Conference, Redondo Beach, March 12-18.

Hollstein, Betina & Zanker, Dagmar & Ohrt, Anna & Pfeffer, Jürgen (2012). Structure, Practice and Meaning of Neighborhood Networks. The Examination of Neighborhood Cultures Using a Mixed-Methods Designs (in German: Struktur, Praxis und Bedeutung von Nachbarschaftsnetzwerken. Die Untersuchung von Nachbarschaftskulturen mithilfe eines Mixed-Methods-Designs). 36th Congress of the German Sociological Association, Bochum, Germany, October 1-5.

Zanker, Dagmar & Pfeffer, Jürgen & Hollstein, Betina (2012). The Funnel Tool - A Touchscreen Based Method of Collecting Ego Networks (Poster). Sunbelt XXXII Conference, Redondo Beach, March 12-18.

Zorbach, Thomas & Pfeffer, Jürgen (2012). Virtual Shitstorms: The Dynamics of Intense Indignation in Social Media Networks. Conference on Practical Applications of Network Theory, Frankfurt, Germany, May 26-28.

Windhager, Florian & Smuc, Michael & Zenk, Lukas & Federico, Paolo & Pfeffer, Jürgen & Aigner, Wolfgang & Miksch, Silvia (2012). ViENA: Visual Enterprise Network Analytics (Poster). Eurovis workshop on visual analytics, Vienna, Austria, June 4-5.

Götzenbrucker, Gerit & Pfeffer, Jürgen & Kayali, Fares & Schwarz, Vera & Purgathofer, Peter & Franz, Barbara (2012). Networks of transnational and transcultural communication. Conference of the International and Intercultural Communication section of the German Communication Association (DGPuK), Dortmund, Germany, November 22-24.

Götzenbrucker, Gerit & Schwarz, Vera & Pfeffer, Jürgen & Kayali, Fares & Franz, Barbara & Purgathofer, Peter (2012). "Your Turn! The Video Game". A Facebook Game for (migrant) teenagers' communication and social integration in Vienna. European Communication Conference, Istanbul, Turkey.

2011

Windhager, Florian & Smuc, Michael & Zenk, Lukas & Federico, Paolo & Pfeffer, Jürgen (2011). On Visually Analyzing Knowledge Flows at a University Department. ASNA 2011, Zurich, Switzerland.

Kayali, Fares & Götzenbrucker, Gerit & Schwarz, Vera & Purgathofer, Peter & Franz, Barbara & Pfeffer, Jürgen (2011). Socially Integrative Effects of Online Social Games on Young Adolescent Migrants in Vienna. SOFGA: The Social Foundation of Online Gaming Conference, Stuttgart-Hohenheim, Germany.

Pfeffer, Jürgen & Carley, Kathleen M. (2011). Modeling Real World Interpersonal Networks. Sunbelt XXXI Conference, St. Petersburg, Florida.

Hollstein, Betina & Pfeffer, Jürgen & Behrmann, Laura (2011). Neighborhood Cultures? Composition, Constitution and Significance of Neighborhood Networks. Sunbelt XXXI Conference, St. Petersburg, Florida.

Pfeffer, Jürgen (2011). The Structure of Flight Networks and the Impact to Delays and Cancellations. Sunbelt XXXI Conference, St. Petersburg, Florida.

Windhager, Florian & Smuc, Michael & Zenk, Lukas & Federico, Paolo & Pfeffer, Jürgen (2011). Visual Analytics of Dynamic Knowledge Networks (in German: Visuelle Analyse von dynamischen Wissensnetzwerken). Conference of the SNA-Section of the German Sociological Association.

2010

Hollstein, Betina & Pfeffer, Jürgen & Behrmann, Laura & Zanker, Dagmar & Ohrt, Anna (2010). Using Touchscreen Based Instrumentes to Collect Egocentric Networks (in German: Der Einsatz von Touchscreen-gesteuerten Instrumenten zur Erhebung von egozentrierten Netzwerken). Conference on Perspectives of Electronical Tools for Collecting Networks, Trier, Germany.

Pfeffer, Jürgen & Hollstein, Betina (2010). Pride, Prejudice and Dynamic Triangles. Marriage Strategies within the Estate System in England at the End of the 18th Century. Sunbelt XXX Conference, Riva del Garda, Italy.

Pfeffer, Jürgen & Windhager, Florian (2010). Music Styles in Time and Space. Sunbelt XXX Conference, Riva del Garda, Italy.

Windhager, Florian & Zenk, Lukas & Pfeffer, Jürgen & Federico, Paolo (2010). Network Trajectories in Space and Time. Sunbelt XXX Conference, Riva del Garda, Italy.

2009

Pfeffer, Jürgen (2009). Analyzing Group Formation on Social Networking Sites (in German: Analyse von Aggregatbildungen auf Social Network Sites). Invited Talk: NetCultures Conference: Identity Presentation, Communication, and Privacy on Social Network Sites, Basel, Switzerland.

Pfeffer, Jürgen (2009). Aggregated Visualizations of Ego Networks (in German: Aggregierte Darstellung von Ego-Netzwerken). Conference of the SNA-Working Group of the German Sociological Association, Munich, Germany.

Pfeffer, Jürgen (2009). Empirical Remarks to the Diffusion Process of Information, Opinions, and Messages in Human-to-Human Communication Networks (in German: Empirische Anmerkungen zur Verbreitung von Meinungen, Informationen und Botschaften in Mensch-zu-Mensch Kommunikationsnetzwerken). Conference of the Center for Cultural and Technical Research, Stuttgart, Germany.

Pfeffer, Jürgen (2009). Distributed Network Calculations for Large Networks. Sunbelt XXIX Conference, San Diego, California.

Zorbach, Thomas & Pfeffer, Jürgen (2009). Pizza Talk 2: Do Influentials Matter? Sunbelt XXIX Conference, San Diego, California.

Pfeffer, Jürgen & Hollstein, Betina (2009). Network Cards as a Tool for Investigating Changes in Personal Networks. Sunbelt XXIX Conference, San Diego, California.

2008

Hollstein, Betina & Pfeffer, Jürgen (2008). Changes in Personal Networks over Time - Methodical Remarks. 34th Congress of the German Sociological Association, Jena, Germany.

Pfeffer, Jürgen & Zorbach, Thomas & Zerr, Michael & Eichner, Martin & Schwehm, Martin (2008). The Structure of Buzz: Modeling Rumor Diffusion in Dynamic Social Networks. Sunbelt XXVIII Conference, St. Petersburg, Florida.

Pfeffer, Jürgen (2008). Visualization Lessons Learned from Google Earth. Sunbelt XXVIII Conference, St. Petersburg, Florida.

2007

Pfeffer, Jürgen (2007). Slide Show: Everything is a Network (in German: Lichtbildvortrag: Alles ist Netzwerk). SNA-Conference of the Johann Wolfgang Goethe-University, Frankfurt, Germany.

Pfeffer, Jürgen (2007). The Network of Wikipedia and the Using of Categories as Multi-Partitions to Measure Importance by Concepts of Biological Diversity. Sunbelt XXVII Conference, Korfu, Greece.

2006

Pfeffer, Jürgen & Katzmair, Harald (2006). Micro Behavior and Macro Structure in Context by Means of Agent Based Simulation. Modeling and Simulation Conference of the Max-Plank-Institute for Research of Society, Cologne, Germany .

Katzmair, Harald & Spielthenner, Doris & Pfeffer, Jürgen (2006). Determining Networks as Opportunity Landscapes. From Ego-Networks to Egocentric Network Profiles. Sunbelt XXVI Conference, Vancouver, Canada.

Oberbichler, Katharina & Pfeffer, Jürgen & Katzmair, Harald (2006). Two-Mode vs. One-Mode: Ranking Differences and Social Interpretation. Sunbelt XXVI Conference, Vancouver, Canada.

Pfeffer, Jürgen (2006). Why Stars are Squared - Identifying Important Actors in Very Large 2-Mode Networks. Sunbelt XXVI Conference, Vancouver, Canada.

Diesner, Jana & Pfeffer, Jürgen & Katzmair, Harald (2006). Evaluating Scientific Classification Systems by Bottom-Up Clustering of Abstracts Using Semantic Network Analysis. Sunbelt XXVI Conference, Vancouver, Canada.

2005

Ruhri, Max & Pfeffer, Jürgen & Katzmair, Harald (2005). Calculating Line Centrality Measures by Transforming Edges into Nodes. Sunbelt XXV Conference, Los Angeles, California.

Spielthenner, Doris & Ruhri, Max & Katzmair, Harald & Gulas, Christian & Pfeffer, Jürgen (2005). Structure of Power Landscapes by the Example of a Large Real Data Network. Sunbelt XXV Conference, Los Angeles, California.

Katzmair, Harald & Pfeffer, Jürgen (2005). Social Capital Management by Means of Agent-Based Simulation Modeling. Sunbelt XXV Conference, Los Angeles, California.

2004

Katzmair, Harald & Pfeffer, Jürgen (2004). Dynamizing Static Networks: Simulation Experiments in the Context of Power Networks. Sunbelt XXIV Conference, Portoroz, Slovena.