Natural Language Understanding Wiki

From Stephen Clark:

  • "PP attachments are a significant and frequent source of ambiguity
  • Resolving PP attachments is difficult, in the worst case requiring world knowledge and general reasoning capabilities
  • Tackling the PP attachment problem can give us insights into the more general parse selection problem"

See also:

Recent work:

  • English: Madhyastha et al. (2017)[1]
  • German: Kok et al. (2017)[2]


  1. Madhyastha, P. S., Carreras, X., & Quattoni, A. (2017). Prepositional Phrase Attachment over Word Embedding Products. In Proceedings of the 15th International Conference on Parsing Technologies (pp. 32-43).
  2. de Kok, D., Ma, J., Dima, C., & Hinrichs, E. (2017). PP Attachment: Where do We Stand?. EACL 2017, 311.