Semantic role labeling for news tweets

  • Authors:
  • Xiaohua Liu;Kuan Li;Bo Han;Ming Zhou;Long Jiang;Zhongyang Xiong;Changning Huang

  • Affiliations:
  • Harbin Institute of Technology and Microsoft Research Asia;Chongqing University;Dalian University of Technology;Microsoft Research Asia;Microsoft Research Asia;Chongqing University;Microsoft Research Asia

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

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Abstract

News tweets that report what is happening have become an important real-time information source. We raise the problem of Semantic Role Labeling (SRL) for news tweets, which is meaningful for fine grained information extraction and retrieval. We present a self-supervised learning approach to train a domain specific SRL system to resolve the problem. A large volume of training data is automatically labeled, by leveraging the existing SRL system on news domain and content similarity between news and news tweets. On a human annotated test set, our system achieves state-of-the-art performance, outperforming the SRL system trained on news.