Changhyun Lee

What is Twitter, a social network or a news media?

Haewoon Kwak, Changhyun Lee, Hosung Park et al. · 2010 · 6.6K citations

Engineering, Social Medium Monitoring, July 2009 +23

UTOPIAN: User-Driven Topic Modeling Based on Interactive Nonnegative Matrix Factorization

Jaegul Choo, Changhyun Lee, Chandan K. Reddy et al. · IEEE Transactions on Visualization and Computer Graphics · 2013 · 274 citations

Latent Dirichlet Allocation, Engineering, Topic Modeling +21

Finding influentials based on the temporal order of information adoption in twitter

Changhyun Lee, Haewoon Kwak, Ho-Sung Park et al. · 2010 · 131 citations

Engineering, Information Adoption, Social Medium Monitoring +16

Accurate latency-based congestion feedback for datacenters

Changhyun Lee, Chunjong Park, Keon Jang et al. · 2015 · 77 citations

Highly Manufacturable 32Gb Multi -- Level NAND Flash Memory with 0.0098 μm<sup>2</sup> Cell Size using TANOS(Si - Oxide - Al2O3 - TaN) Cell Technology

Young‐Woo Park, Jungdal Choi, Changseok Kang et al. · 2006 · 64 citations

Non-volatile Memory, Engineering, Emerging Memory Technology +21