Chapter-07

Table of Contents

• Features & the lexicon
  • Feature theoretic syntax
  • Feature structures as graphs
  • Feature structures in Lisp
  • Subsumption and unification
  • The status of rules
  • Representing PATR grammars in Lisp
  • Random generation revisited
  • Chart parsing with feature-based grammars
    • Copying
    • Duplication checking
    • Indexing
    • Conflating similar edges
    • A modified Lisp chart parser
  • Representation of lexical knowledge
  • Implementing a lexicon in Lisp
  • Dags versus terms
  • Summary
  • Further reading