1 Overview CUTE (Columbia University Telecommunication service Editor) GUI-based service creation tool to help inexperienced users to create services Service learning and service management Service learning Service risk management Handling feature interactions

2 CUTE (Columbia University Telecommunication service Editor)

3 Survey on CUTE Evaluating how likely an end user can create telecommunication services by himself and how useful and friendly CUTE is

4 Service learning and service risks Service learning and service risks Causal relationship between call information and call decisions Decision tree induction Incremental Tree Induction algorithm Service risk management Identify: Lose connection, privacy, money, attention Analyze: Possibility, impact, overall risk Resolve: Change communication methods, transfer, reduce overall risk Contingency plan

5 Feature interaction handling Feature interaction handling accept Tree merging + = If time is between 10:00AM and 11:00AM If address is hgs Forward to conf Incoming call If time is between 10:00AM and 11:00AM If address is hgs reject Forward to conf reject accept Take actions from both scripts. Simply setting precedence rules cannot work.

6 Serivce management Serivce management