Sentence ordering with event-enriched semantics and two-layered clustering for multi-document news summarization

  • Authors:
  • Renxian Zhang;Wenjie Li;Qin Lu

  • Affiliations:
  • The Hong Kong Polytechnic University;The Hong Kong Polytechnic University;The Hong Kong Polytechnic University

  • Venue:
  • COLING '10 Proceedings of the 23rd International Conference on Computational Linguistics: Posters
  • Year:
  • 2010

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Abstract

We propose an event-enriched model to alleviate the semantic deficiency problem in the IR-style text processing and apply it to sentence ordering for multi-document news summarization. The ordering algorithm is built on event and entity coherence, both locally and globally. To accommodate the event-enriched model, a novel LSA-integrated two-layered clustering approach is adopted. The experimental result shows clear advantage of our model over event-agonistic models.