News Archive

Best Paper Award at KnOD 2021

Our paper titled “Fact-checking, False Narratives, and Argumentation Schemes” (joint work with John Licato) won the best paper award at the 1st International Workshop on Knowledge Graphs for Online Discourse Αnalysis (KnOD 2021), part of the Web Conference 2021.

New Position

I am excited to announce that I have accepted an offer to join the Department of Computer Science and Engineering at the University of South Florida. Starting August 2018, I will hold a tenure-track position at the rank of assistant professor.


The 9th International Conference on Social Informatics just wrapped last week and it was a great success.

WWW2018 Alternate Track on Journalism, Misinformation, and Fact Checking

The Twenty-seventh International WWW Conference, or WWW2018 will have an alternate track on journalism, misinformation, and fact-checking (call for papers). Track chairs are Kristina Lerman (USC-ISI), Takis Metaxas (Wellesley College), and myself.

Journal of Computational Social Science

The Journal of Computational Social Science (JCSS), published by Springer Nature, is now accepting contributions for its inaugural issue. I am honored to serve on the editorial board as associate editor for the following topics: Social media mining Wikis and open collaboration Information diffusion Misinformation and rumors Please consider submitting your work to JCSS.

Older News

This is a timeline of old news from my previous homepage, going back to my days as a Ph.D. student. It is included here for completeness.