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Topics over Time: A Non-Markov Continuous-Time Model of Topical Trends

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Figure

Figure 1: Three topic models: LDA and two perspectives on TOT SYMBOL DESCRIPTION
Figure 2: Four topics discovered by TOT (above) and LDA (bottom) for the Address data set
Figure 3: Four topics discovered by TOT (above) and LDA (bottom) for the Email data set, showing improved results with TOT
Figure 4: Two topics discovered by TOT (above) and LDA (bottom) for the NIPS data set
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