1. Partial Order and SOS Semantics for Linear Constraint Programs;Best,1997
2. SLA management in federated environments;Bhoj;Comput. Networks,2001
3. Semirings for Soft Constraint Solving and Programming;Bistarelli,2004
4. Timed Soft Concurrent Constraint Programs;Bistarelli,2008
5. Bistarelli, S. and F. Gadducci, Enhancing Constraints Manipulation in Semiring-Based Formalisms, in: ECAI'06 (2006), pp. 63–67