Chapter-07

Table of Contents

• Features and the lexicon
  • Feature theoretic syntax
  • Feature structures as graphs
  • Feature structures in Prolog
  • Subsumption and unification
  • The status of rules
  • Implementing PATR in Prolog
  • Chart parsing with feature-based grammars
    • Copying
    • Duplication checking
    • Indexing
    • Conflating similar edges
  • The representation of lexical knowledge
  • Implementing a lexicon in Prolog
  • DAGs versus terms
  • Summary
  • Further reading