Abstract Throughout its history, Operational Research has evolved to include methods,
models and algorithms that have been applied to a wide range of contexts. This …

Organizations typically have more good ideas for projects than they have resources
available to pursue those ideas. Decision analysis can provide practical guidance to the …

We propose a definition of infrastructure resilience that is tied to the operation (or function) of
an infrastructure as a system of interacting components and that can be objectively …

Managers in both for-profit and not-for-profit organisations continually face the task of
allocating resources by balancing costs, benefits and risks and gaining commitment by a …

Uncertainties are often present in typical portfolio decision analysis (PDA), and it is prudent
to conduct a robust PDA to identify project portfolios that perform reasonably well across the …

We consider a portfolio decision problem in which a set of projects forming a portfolio has to
be selected taking into account multiple evaluation criteria and some constraints related to …

This paper addresses the problem of selecting a robust portfolio of projects in the context of
limited resources, multiple criteria, different project interactions and several types of …

“Convincing yourself is easy, persuading a colleague is harder, but proving it to a computer
is hardest of all!”—R. Hamming, ca 1985. The art of formulating linear and integer linear …

The problem of designing an effective future defense force is quite complex and challenging.
One methodology that is often employed in this domain is portfolio optimization, whereby the …

Sequences of decisions that occur under uncertainty arise in a variety of settings, including
transportation, communication networks, finance, defence, etc. The classic approach to find …