Identifying protein interaction abstracts with contextual bag of words

  • Authors:
  • Hsi-Chuan Hung;Richard Tzong-Han Tsai;Wen-Lian Hsu

  • Affiliations:
  • Institute of Information Science, Academia Sinica and Department of Computer Science and Information Engineering, National Taiwan University, Taipei, Taiwan, R.O.C.;Institute of Information Science, Academia Sinica, Taipei, Taiwan, R.O.C.;Institute of Information Science, Academia Sinica, Taipei, Taiwan, R.O.C.

  • Venue:
  • AAAI'07 Proceedings of the 22nd national conference on Artificial intelligence - Volume 2
  • Year:
  • 2007

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Abstract

In this paper, we focus on the identification of biomedical abstracts related to protein-protein interactions. We propose a novel feature representation, contextual-bag-of-words, to exploit named entity information. Our method outperforms well-known methods that use named entity information as additional features. Furthermore, we have improved the performance by extracting reliable and informative instances from unlabeled and likely-positive data to provide additional training data.