The assignment of staff to projects is a regular activity for many contractors, government agencies and consulting firms. Whereas the primary objective of the assignment is to maximize the overall profit, issues dealing with manpower management must also be incorporated to ensure strong morale and to enhance competitiveness. Such issues include to avoid excessive overtime and to balance workloa...

nature has always proven that it is able to overcome its problems. however, humanmanipulation has led to environmental degradations. the dryness of a thousand-year urmia lake(a brine water lake in iran) is an example of environmental degradation that happened due tosuccessive droughts and construction of dams on the basin of this lake. this study examinesmethods for the revival of urmia lake by...

In recent years, utilization of feature selection techniques has become an essential requirement for processing and model construction in different scientific areas. In the field of software project effort estimation, the need to apply dimensionality reduction and feature selection methods has become an inevitable demand. The high volumes of data, costs, and time necessary for gathering data , ...

A project network often has some activities or groups of activities which can be performed at different stages of the project. Then, the problem of finding an optimal/acceptable time or/and optimal/acceptable order of such an activity or a group of activities arises. Such a problem emerges, in particular, in house-building management when the beginnings of some activities may vary in time or/an...

BIM is a type of information technology that aims to improve collaboration and productivity by providing data analysis for the entire life cycle building. This paper investigates development BIM-based engineering management model implementation project integration based on analyzing integrated combining theory, management, computer network interaction theory. The use can effectively control lev...