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TopicLens: Efficient Multi-Level Visual Topic Exploration of Large-Scale Document Collections Kim, Minjeong; Kang, Kyeongpil; Park, Deokgun; Choo, Jaegul; Elmqvist, Niklas, IEEE TRANSACTIONS ON VISUALIZATION AND COMPUTER GRAPHICS, v.23, no.1, pp.151 - 160, 2017-01 |
UTOPIAN: User-Driven Topic Modeling Based on Interactive Nonnegative Matrix Factorization Choo, Jaegul; Lee, Changhyun; Reddy, Chandan K.; Park, Haesun, IEEE TRANSACTIONS ON VISUALIZATION AND COMPUTER GRAPHICS, v.19, no.12, pp.1992 - 2001, 2013-12 |
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