128 n The Art of Software Modeling
As was noted in Chapter 5, individual interviews are typically conducted one-
on-one and are best supported by the existing system documentation. e subject
matter expert can validate the documentation and indicate areas of gaps or outdated
information. Use of the diagrams created for the system functional flows is highly
recommended for this process because these diagrams will highlight areas of the
system that are not well defined, particularly the exception handling aspects of the
system. Alternatively, the expert can walk through the application and comment
on how and when each section of the system was established. Multiple interviews
with experts are usually required to cover a reasonably complex soft ...