are in information quality and data analytics over large-scale networked information systems like the Web, social media and crowdsourcing systems.
My research focus has both positive and negative dimensions. On one hand, I focus on threats to these systems and design methods to mitigate negative behaviors; on the other, I look for positive opportunities to mine and analyze these systems for developing next generation algorithms and architectures that can empower decision makers.
News: Open Position
for prospective PhD students
Selected Recent Publications (full list)
Recent News Coverage about Our Research
- Venezuela ruling party games Twitter for political gain, Associated Press, August 2015.
- How to Spot a Social Bot on Twitter, MIT Technology Review, July 2014.
- Fake Followers for Hire, and How to Spot Them, MIT Technology Review, June 2014.
- How to get strangers to retweet your tweets, Wired, May 2014.
The Secret Science of Retweets, MIT Technology Review, May 2014.
Recent Professional Activities (full list)
- Program committee member:
- Tutorial: Social Media Threats and Countermeasures at ICWSM 2014,
Social Spam, Campaigns, Misinformation and Crowdturfing at WWW 2014
- Conference Organization: JCDL 2015 (Poster and Demo Chair)
- Journal Reviewer:
ACM TOIS, ACM TWEB, ACM TOIT, ACM TISSEC, ACM Computing Surveys, IEEE TKDE, IEEE TPDS, IEEE Pervasive Computing, IEEE Internet Computing, IEEE Transactions on Cybernetics, IEEE/ACM TON, Springer Data Mining and Knowledge Discovery, Springer GeoInformatica, International Journal of Cooperative Information Systems
I direct the Data Science Lab at Utah State. My primary