Natural Language Understanding Wiki

Some authors define content words as nouns, verbs, adjectives, and adverbs[1] while others include other parts of speech[2].


  1. Stevenson, M., & Wilks, Y. (2001). The interaction of knowledge sources in word sense disambiguation. Computational Linguistics, 27(3), 321-349.
  2. Hirst, Graeme. 1995. Near-synonymy and the structure of lexical knowledge. In American Association for Artificial Intelligence Spring Symposium on Lexicons, pages 51–56.