- 8th Hellenic Conference on Artificial Intelligence, SETN 2014. Ioannina, Greece. "Community Detection and Evaluation in Real Graphs"
- International World Wide Web Conference (WWW), Rio de Janeiro, Brazil, May 2013. "Graph Mining Tools for Community Detection and Evaluation in Social Networks and the Web"
- Tutorial in the ACM International Conference on Web Search and Data Mining - WSDM 2013 - Rome - Italy, "Advanced graph mining for community evaluation in social networks and the Web" ( link )