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.
Selected Recent Publications (full list)
Selected 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