Long T. Le

PhD candidate, Department of Computer Science, Rutgers University

About Me

My Picture 

I’m currently a PhD candidate at Department of Computer Science, Rutgers University.

I graduated with a Bachelor of Computing in Computer Engineering from National University of Singapore.


  • Office: Hill 202, 110 Frelinghuysen Road Piscataway, NJ 08854-8019

Research Interests

My research interest is data mining, machine learning with emphasis on community Q&A, social networks, and large scale networks.

Working Experiences

Research Experiences

Yahoo! Labs (Sunnyvale, CA). (Summer 2013)

  • Summer Internship in Computational Advertising Group: Investigated users’ search behaviors while online shopping.

EveryScreen Media (NY, NY), acquired by Dstillery. (Summer 2012)

  • Summer Internship in Data Science team: Lead the mobile geo-location feasibility study.

National University of Singapore.

  • Summer internship : Built power-aware middleware for multiplayer mobiles games (Summer 2011)

  • Research engineer at CIR lab in project “Power management in mobile devices”: Built software infrastructure to support multiplayer mobiles games (June 2009– July 2010)

Teaching Experiences

I'm a teaching assistant for several courses at Rutgers University (Introduction to Computer Science, Discrete Structure, System Programming, Internet Technology, Computer Network).

Technical Reports

10. Identifying Potential Answerers in Community Question Answering.

  • Long T. Le, Chirag Shah.


9. Bad Users or Bad Content? Breaking the Vicious Cycle by Finding Struggling Students in Community Question-Answering.

  • Long T. Le, Chirag Shah, Erik Choi.

  • The 2017 ACM SIGIR Conference on Human Information Interaction & Retrieval (CHIIR’17), Oslo, Norway, March 2017.

8. Discerning the Quality of Questions in Educational Q&A using Textual Features. (short paper)

  • Manasa Rath, Long T. Le, Chirag Shah.

  • The 2017 ACM SIGIR Conference on Human Information Interaction & Retrieval (CHIIR’17), Oslo, Norway, March 2017.

7. Evaluating the Quality of Educational Answers in Community Question-Answering.

  • Long T. Le, Chirag Shah, Erik Choi.

  • The 2016 ACM/IEEE Joint Conference on Digital Library (JCDL’16) , Newark, NJ, June 2016.

  • Best Student Paper Award

  • Best Paper Award Nominee

6. Retrieving Rising Stars in Focused Community Question-Answering.

  • Long T. Le, Chirag Shah.

  • The 8th Asian Conference on Intelligent Information and Database Systems (ACIIDS’2016 ) , Da Nang, Vietnam, March 2016. Published by Springer Lecture Notes in Artificial Intelligence (LNAI).

5. MET: A Fast Algorithm for Minimizing Propagation in Large Graphs with Small Eigen-Gaps.

  • Long T. Le, Tina Eliassi-Rad, Hanghang Tong.

  • The 2015 SIAM International Conference on Data Mining (SDM’15) , Vancouver, British Columbia, Canada, April 2015.

4. Measuring Coverage and Divergence of Reading Behaviors Among Friends.

  • Long T. Le, Tina Eliassi-Rad.

  • The ACM SIGKDD International Workshop on Data Science for News Publishing (NewsKDD’14), New York, NY, August 2014.

3. Hyperlocal: Inferring Location of IP Addresses in Real-time Bid Requests for Mobile Ads.

  • Long T. Le, Tina Eliassi-Rad, Foster Provost, and Lauren Moores.

  • The 6th ACM SIGSPATIAL International Workshop on Location-Based Social Networks (LBSN’13), Orlando, FL, November 2013.

2. ARIVU: Power-Aware Middleware for Multiplayer Mobile Games.

  • Bhojan Anand, Karthik Thirugnanam, Long T. Le, Duc-Dung Pham, Akhihebbal L. Ananda, Rajesh Krishna Balan, and Mun Choon Chan.

  • The 9th Annual Workshop on Network and System Support for Games (NetGames’2010), Taipei, Taiwan, 2010.

1. Game Action Based Power Management for Multiplayer Online Game.

  • Bhojan Anand, Akhihebbal L. Ananda, Mun Choon Chan, Rajesh Balan, Long T. Le.

  • The ACM SIGCOMM Workshop on Networking, Systems, Applications on Mobile Handhelds (MobiHeld 2009), Spain, 2009.


  • Best Student Paper of JCDL (2016)

  • Singapore scholarship (covered full tuition fee and living allowance) (Aug 2005- July 2009)

  • Odon Vallet book prize for top students in HCM National University of Vietnam (Mar 2004)

  • Third prize in Vietnam National Mathematics Olympiad (April 2003)

  • Silver Medal in Southern Vietnam Mathematics Competition (March 2002)

  • Bronze Medal in Sothern Vietnam Mathematics Competition (Mar 2001)