In this paper we describe the problem of Optimal Competitive Scheduling, which consists of activities that compete for a shared resource. The objective is to choose a subset of activities to schedule, sequence them, and decide how much time they are allowed, in such a way that temporal and resource constraints are satisfied and overall schedule quality is maximized. While most such problems are...

in metropolitan development management, quality of public services is influential in every public sector to satisfaction of citizens on quality of services. nowadays, satisfaction are with such important matters that should be considered in the planning, implementation, management and maintenance of many public services such as subway, transportation, traffics, parks, markets and so on. the pur...

Citizen science has gained widespread currency as a tool for ecological research over the past decade. However, in the discipline of urban ecology, the existing contributions and future potential of citizen science engagement, specifically in terms of knowledge gain, have not yet been comprehensively explored. Here, we present a systematic review of published work on the urban ecology of birds ...

Available online 21 February 2011 Purpose: Theories of procedural justice have facilitated the development of a process-based approach to policing which emphasizes the fairness of the manner in which the police exercise their discretion. The study examines whether procedurally fair behavior by the police affects two types of citizen behavior during encounters: citizen disrespect toward the poli...

The profession of a family medicine nurse plays key role in preserving the health each individual citizen and society as whole. Therefore, studying level satisfaction with one’s work is necessary for improving medicine. article presents results study during which professional self-realization among nurses outpatient clinic was studied.