We develop an optimal control model to maximize the net value provided by a software system over its useful life. The model determines the initial number of features in the system, the level of dynamic enhancement effort, and the lifetime of the system. The various factors affecting these...

We develop an optimal control model to maximize the net value provided by a software system over its useful life. The model determines the initial number of features in the system, the level of dynamic enhancement effort, and the lifetime of the system. The various factors affecting these...

The world seems to be getting more dangerous: terrorists; fraudulent corporations; money laundering; hurricanes; pandemics. Governments and organizations respond with a flurry of new controls. In some cases these are centrally mandated (e.g. Sarbanes Oxley). In others, organizations struggle to...

We present a model to determine the optimal point for maintaining a software application. We also address the question: given that a maintenance project has been initiated, should maintenance effort continue till the project is completed? Most previous literature has implicitly assumed that it...