Keyphrases
- web services composition
- lower bound
- upper bound
- web service composition
- web services
- composition of web services
- service composition
- highly reliable
- branch and bound algorithm
- process algebra
- branch and bound
- lower and upper bounds
- objective function
- np hard
- quality of service
- service selection
- lower bounding
- optimal solution
- composite web services
- worst case
- sufficiently accurate
- petri net
- competitive ratio
- polynomial approximation
- service oriented
- linear programming relaxation