Selected Publications

The volume and velocity of information that gets generated online limits current journalistic practices to fact-check claims at the same rate. Computational approaches for fact checking may be the key to help mitigate the risks of massive misinformation spread. […]
Proc. ICDM’2017, 2017

Online social media and games are increasingly replacing offline social activities. Social media is now an indispensable mode of communication; online gaming is not only a genuine social activity but also a popular spectator sport. Although online interaction shrinks social and geographical barriers, it is argued that social disparities, such as gender inequality, persists. […]
Proc. ICWSM’2017, 2017

Online traces of human activity offer novel opportunities to study the dynamics of complex knowledge exchange networks, in particular how emergent patterns of collective attention determine what new information is generated and consumed. Can we measure the relationship between demand and supply for new information about a topic? […]
Sci. Rep. 5, (2015) p. 9452, 2015

Recent Publications

More Publications

. Finding Streams in Knowledge Graphs to Support Fact Checking. Proc. ICDM’2017, 2017.

PDF Code Dataset

. How algorithmic popularity bias hinders or promotes quality. arXiv, 2017.


. The Spread of Fake News by Social Bots. arXiv, 2017.


. Gendered Conversation in a Social Game-Streaming Platform. Proc. ICWSM’2017, 2017.

PDF Code

. RelSifter: Scoring Triples from Type-like Relations---The Samphire Triple Scorer at WSDM Cup 2017. Proc. of WSDM Cup 2017, 2017.

PDF Code Dataset

Recent News

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.


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.


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.


This is a timeline of old news from my previous homepage. It is included here for my future biographer.



Knowledge Linker

Computational fact checking from knowledge networks.


Visualizing deletion discussions on Wikipedia.


Work in progress.