Free sample articles newly available from International Journal of Services Operations and Informatics

The following sample articles from the International Journal of Services Operations and Informatics are now available here for free:

• A discrete simulation model for incorporating RFID technology into the Brazilian postal service
• Petri net-based semantics for verification and validation of workflow patterns
• The warm-standby M/M/R machine repair problem with balking, reneging and service pressure coefficient
• Some efficient simulation budget allocation rules for simulation optimisation problems