Topical keyphrase extraction from Twitter

  • Authors:
  • Wayne Xin Zhao;Jing Jiang;Jing He;Yang Song;Palakorn Achananuparp;Ee-Peng Lim;Xiaoming Li

  • Affiliations:
  • Peking University;Singapore Management University;Peking University;Peking University;Singapore Management University;Singapore Management University;Peking University

  • Venue:
  • HLT '11 Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies - Volume 1
  • Year:
  • 2011

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Abstract

Summarizing and analyzing Twitter content is an important and challenging task. In this paper, we propose to extract topical keyphrases as one way to summarize Twitter. We propose a context-sensitive topical PageRank method for keyword ranking and a probabilistic scoring function that considers both relevance and interestingness of keyphrases for keyphrase ranking. We evaluate our proposed methods on a large Twitter data set. Experiments show that these methods are very effective for topical keyphrase extraction.