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Note on the proof of the non-existence of a phrase structure grammar for ALGOL 60.

Peter J. Brown
Published in: Commun. ACM (1963)
Keyphrases
  • phrase structure
  • context free
  • tree structures
  • penn treebank
  • dependency structure
  • part of speech
  • context sensitive
  • word order
  • machine learning
  • keywords
  • natural language
  • context dependent