Keyphrases
- petri net
- process algebra
- concurrent systems
- petri net model
- discrete event systems
- manufacturing systems
- high level petri nets
- algebraic structure
- formal language
- formal semantics
- fuzzy petri net
- stochastic petri net
- colored petri nets
- service composition
- logic programming
- ims ld
- web service composition
- database query languages
- process model
- story generation