Multi-level NER for Portuguese in a CG Framework

  • Eckhard Bick
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 2721)


This paper describes and evaluates a linguistically based NER system for Portuguese, based on lexico-semantical information, pattern matching and morphosyntactic, context driven Constraint Grammar rules. Preliminary F-scores for cross-domain news texts, when distinguishing six different name types, were 91.85 (raw) and 93.6 (subtyping of ready-chunked proper nouns).


Name Entity Recognition Noun Head Entity Recognition Proper Noun Syntactic Context 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2003

Authors and Affiliations

  • Eckhard Bick
    • 1
  1. 1.Institute of Language and CommunicationSouthern Denmark UniversityDenmark

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