Research ArticleOpen accessIn the abstractOn Calculating Activity Slack in Stochastic Project NetworksGary MitchellProblem statement: Identifying critical tasks in a project network is easily done when task times are deterministic, but doing so under stochastic task times is problematic. The few methods that have been proposed contain serious drawbacks which lead to identifying critical tasks incorrectly, leaving project managers without the means to (1) identify and rank the most probable sources of project … …American Journal of Economics and Business Administration, Vol. 2, Issue 1 · 31 Mar 2010 · 8,233 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Impact of Organizational Justice on Employee's Job Satisfaction: The Malaysian Companies PerspectivesChoong Kwai Fatt, Edward Wong Sek Khin, Tioh Ngee HengProblem statement: This research study analyzed the impact of organizational justice as encompassed by two components, namely distributive justice and procedural justice on employee’s job satisfaction, organizational commitment, and turnover intention. This study revealed a positive and significant relationship showing that the foundation of an employee’s job satisfaction and organizational commitment is within the application of both distributive and procedural … …American Journal of Economics and Business Administration, Vol. 2, Issue 1 · 31 Mar 2010 · 18,547 accessesView PDFCite
Research ArticleOpen accessIn the abstractEvaluating E-Learning Systems Using E-Traceability SystemsSalah HammamiProblem statement: Electronic learning (e-learning) System is an ideal example of these modern learning options. It provides reliable, convenient and easily accessible environment of learning. Since the e-learning is now growing in King Saud University, this new learning approach has to be evaluated and monitored to measure the efficiency and ultimately improves its productivity. The monitoring of the e-learning applications … …Journal of Computer Science, Vol. 6, Issue 2 · 28 Feb 2010 · 7,565 accessesView PDFCite
Research ArticleOpen accessIn the abstractSoft Computing in Optimizing Assembly Lines BalancingMuhammad Zaini Matondang, Muhammad Ikhwan JambakAs part of manufacturing systems, the assembly line has become one of the most valuable researches to accomplish the real world problems related to them. Many efforts have been made to seek the best techniques in optimizing assembly lines. Problem statement: Since it was published by Salveson in 1955, some methods and techniques have been developed based on mathematical modeling. … …Journal of Computer Science, Vol. 6, Issue 2 · 28 Feb 2010 · 7,472 accessesView PDFCite
Research ArticleOpen accessIn the abstractAssessing Community Health Risks: Proactive Vs Reactive SamplingSarah Taylor, Chelsea Papadopoulos, Sarah Vieillet, Peter Di MarcoProblem statement: A considerable number of native birds died in the West Australian coastal town of Esperance and surroundings during late 2006 and early 2007, which raised community concerns about environmental contamination. Forensic investigations of dead birds suggested that lead may have been the causative agent. At the time, lead and nickel, as well as iron ore and other materials, … …American Journal of Environmental Sciences, Vol. 5, Issue 6 · 31 Dec 2009 · 6,845 accessesView PDFCite
Research ArticleOpen accessIn the abstractSolving the Traveling Salesman Problem Using New Operators in Genetic AlgorithmsNaef Taher Al Rahedi, Jalal AtoumProblem statement: Genetic Algorithms (GAs) have been used as search algorithms to find near-optimal solutions for many NP problems. GAs require effective chromosome representations as well as carefully designed crossover and mutation operators to achieve an efficient search. The Traveling Salesman Problem (TSP), as an NP search problem, involves finding the shortest Hamiltonian Path or Cycle in a graph of … …American Journal of Applied Sciences, Vol. 6, Issue 8 · 31 Aug 2009 · 7,589 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffect of Environmental Comfort Factors in Enclosed Transitional Space toward Work ProductivityQi Jie Kwong, Nor Mariah Adam, Sai Hong TangProblem statement: The investigated area in this study was the enclosed lift lobby, which distinguishes itself as a unique form of region categorized under building transitional spaces. Such region may act upon on the work performance of occupants, as occupants are sensitive towards the conditions of immediate surroundings. The objective of this study was to investigate the occupants’ perceptions of … …American Journal of Environmental Sciences, Vol. 5, Issue 3 · 30 Jun 2009 · 7,327 accessesView PDFCite
Research ArticleOpen accessIn the abstractAcceleration of Image Processing Using New Color ModelMahdi Alshamasin, Riad Al-kasasbeh, A. Khraiwish et al.The theoretical outcomes and experimental results of new color model designed for accelerated image processing together with implementations of designed model to software of image processing are presented in the study. This model, as it will be shown below, may be used in modern real time video processing applications. The developed model allows to increase a speed of image processing … …American Journal of Applied Sciences, Vol. 6, Issue 5 · 31 May 2009 · 7,410 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffective Ventilation Parameters and Thermal Comfort Study of Air-conditioned OfficesRoonak Daghigh, Kamaruzzaman SopianThe study presents objective and subjective studies of thermal comfort levels and ventilation characteristics of two air-conditioned postgraduate study offices. The observations were performed at the offices of Department of Electrical and Electronic Engineering, in University Putra Malaysia. Thermal comfort variables were measured while the students answered a survey on their sensation of the indoor climate. Concurrently, tracer gas analysis, … …American Journal of Applied Sciences, Vol. 6, Issue 5 · 31 May 2009 · 7,590 accessesView PDFCite
Research ArticleOpen accessIn the abstractFraming Contests in Environmental Decision-making: A Case Study of the Tar Creek (Oklahoma) Superfund SiteShirley G. Vincent, Thomas E. ShriverProblem statement: Stakeholder involvement processes have become an important component of environmental decision-making. This study investigated the role that stakeholders operating outside of official stakeholder processes may play in influencing the policy environment. An improved understanding of the public and political influences on environmental policy decisions contributes to the development of more effective and legitimate policies. Approach: We utilized frame … …American Journal of Environmental Sciences, Vol. 5, Issue 2 · 30 Apr 2009 · 7,251 accessesView PDFCite