On Decidability and Closure Properties of Language Classes with Respect to Bio-operations.
Oscar H. IbarraPublished in: DNA (2014)
Keyphrases
- closure properties
- expressive power
- context free
- context free grammars
- algebraic operations
- tree automata
- conjunctive queries
- query answering
- natural language
- type checking
- structural properties
- first order logic
- language learning
- abstract data types
- description logics
- query language
- context dependent
- relational calculus
- representation language
- special case