Company-oriented extractive summarization of financial news

  • Authors:
  • Katja Filippova;Mihai Surdeanu;Massimiliano Ciaramita;Hugo Zaragoza

  • Affiliations:
  • EML Research gGmbH, Heidelberg, Germany;Yahoo! Research, Barcelona, Spain;Yahoo! Research, Barcelona, Spain;Yahoo! Research, Barcelona, Spain

  • Venue:
  • EACL '09 Proceedings of the 12th Conference of the European Chapter of the Association for Computational Linguistics
  • Year:
  • 2009

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Abstract

The paper presents a multi-document summarization system which builds company-specific summaries from a collection of financial news such that the extracted sentences contain novel and relevant information about the corresponding organization. The user's familiarity with the company's profile is assumed. The goal of such summaries is to provide information useful for the short-term trading of the corresponding company, i.e., to facilitate the inference from news to stock price movement in the next day. We introduce a novel query (i.e., company name) expansion method and a simple unsupervized algorithm for sentence ranking. The system shows promising results in comparison with a competitive baseline.