Evolutionary Hierarchical Dirichlet Process for Timeline Summarization

  title={Evolutionary Hierarchical Dirichlet Process for Timeline Summarization},
  author={Jiwei Li and Sujian Li},
Timeline summarization aims at generating concise summaries and giving readers a faster and better access to understand the evolution of news. It is a new challenge which combines salience ranking problem with novelty detection. Previous researches in this field seldom explore the evolutionary pattern of topics such as birth, splitting, merging, developing and death. In this paper, we develop a novel model called Evolutionary Hierarchical Dirichlet Process(EHDP) to capture the topic evolution… CONTINUE READING
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