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A note on closure properties of logspace MOD classes.

Ulrich HertrampfSteffen ReithHeribert Vollmer
Published in: Inf. Process. Lett. (2000)
Keyphrases
  • closure properties
  • expressive power
  • context free grammars
  • tree automata
  • context free
  • query language
  • conjunctive queries
  • structural properties
  • special case
  • wordnet
  • grammatical inference