the allocation of human resources to project activities in order to schedule them is one of the closest states to the actual conditions of scheduling problems. but regarding the fact that this problem belongs to the class of np-hard problems; so far the exact methods have only been able to solve the small size problems. in this study, the renewable resources are humans in a way that every staff...

Introduction: About 90 percent of women experience one of Pre-Menstrual Syndrome (PMS) symptoms. PMS is identified with periodic relapse of a combination of physical, psychological and/or troublesome changes that occur during the luteal phase of menstruation cycle. One of psychological symptoms is depression. These symptoms influence on the quality of women relationships in family, workplace an...

INTRODUCTION Hospital managers aim to improve the efficiency and effectiveness of their institutions through leadership and guidance of medical personnel. Fulfilling these objectives requires a holistic approach to both the management of people and institutional prioritization. The aim of this study was to identify the skills and competencies that hospital managers must demonstrate in order to ...

Simulated learning environments provide an efficient means for improving individual skills in specific problem solving and learning situations. One crucial aspect of an optimal system for simulated training environments is its capability to keep track of the improvements of the user along the whole training process. In this paper we present a set-theoretical formal framework that can be applied...

Simulated learning environments provide an efficient means for improving individual skills in specific problem solving and learning situations. One crucial aspect of an optimal system for simulated training environments is its capability to keep track of the improvements of the user along the whole training process. In this paper we present a set-theoretical formal framework that can be applied...