Keyphrases
- petri net
- context free grammars
- syntactic and semantic dependencies
- context free
- petri net model
- discrete event systems
- manufacturing systems
- colored petri nets
- regular expressions
- ims ld
- discrete dynamical systems
- state machines
- service composition
- concurrent systems
- finite state transducers
- fuzzy petri net
- programmable logic controller
- neural network
- production rules
- process model
- hardware and software
- natural language processing
- stochastic petri net
- natural language
- artificial intelligence