A Context Pattern Induction Method for Named Entity Extraction

  title={A Context Pattern Induction Method for Named Entity Extraction},
  author={Partha Pratim Talukdar and Thorsten Brants and Mark Y. Liberman and Fernando Pereira},
We present a novel context pattern induction method for information extraction, specifically named entity extraction. Using this method, we extended several classes of seed entity lists into much larger high-precision lists. Using token membership in these extended lists as additional features, we improved the accuracy of a conditional random field-based named entity tagger. In contrast, features derived from the seed lists decreased extractor accuracy. 
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