resource limitation in zero time may cause to some profitable projects not to be selected in project selection problem, thus simultaneous project portfolio selection and scheduling problem has received significant attention. in this study, budget, investment costs and earnings are considered to be stochastic. the objectives are maximizing net present values of selected projects and minimizing v...

Projects are undertaken in all science, engineering, and technology fields to achieve strategic tactical goals. It is evident from the literature that projects becoming more complex day by day, making project complexity a domain for current research. The objective of this study evaluate using systematic, comprehensive, widely accepted definition can capture multidimensional nature its impact on...

Accurate estimating is one of the most important activities in the field of software project management. Different aspects of software projects must be estimated among which time and effort are of significant importance to efficient project planning. Due to complexity of software projects and lack of information at the early stages of project, reliable effort estimation is a challenging issue. ...