Keyphrases
- petri net
- finite sets
- piecewise linear
- linearly separable
- petri net model
- discrete event systems
- fuzzy petri net
- colored petri nets
- stochastic petri net
- ims ld
- service composition
- positive and negative examples
- schema mappings
- input space
- data warehouse
- dynamic programming
- pattern recognition
- database systems
- databases