نتایج جستجو برای: workload index
تعداد نتایج: 420396 فیلتر نتایج به سال:
OBJECTIVE To examine whether heavy physical workload in young adulthood increases the risk of local and radiating low back pain (LBP) in midlife. METHODS Longitudinal nationally representative Young Finns Study data among women (n=414) and men (n=324), aged 18-24 years in 1986 (baseline), were used. Physical heaviness of work was reported at baseline and follow-up (2007), and local and radiat...
As applications continue to generate multi-dimensional data at exponentially increasing rates, fast analytics to extract meaningful results is becoming extremely important. The database community has developed array databases that alleviate this problem through a series of techniques. In-situ mechanisms provide direct access to raw data in the original format—without loading and partitioning. P...
In today's computer architectures, the con guration of the storage system as well as the distribution of blocks within them have a big impact on the system's performance. Different RAIDs levels can have a signi cant in uence on cost, reliability, scalability as well as performance. In this paper, we propose a basic fuzzy queueing model (M/M/1) to evaluate the fuzzy arrival rate as well as the ...
This paper describes the design and use of a synthetic Web proxy workload generator called ProWGen to investigate the sensitivity of Web proxy cache replacement policies to five selected Web workload characteristics. Three representative cache replacement policies are considered in the simulation study: a recency-based policy called Least-Recently-Used (LRU), a frequency-based policy called Lea...
Background: Identifying the predisposing factors of neck and shoulder complaints and finding solutions to avoid them could improve the occupational health condition of the nurses. In this study, we aimed at determining the role of psychological and physical occupational factors in developing neck and shoulder complaints among the participants. Methods: This analytic cross-sectional st...
INTRODUCTION It is essential to organize private physicians in urban areas by developing urban family medicine in Iran. Acceptance of this project is currently low among physicians. The present research determined the factors affecting acceptability of the Urban Family Medicine Project among physicians working in the private sector of Mazandaran and Fars provinces in Iran. METHODS This descri...
Business process management systems (BPMS) are vital complex information systems to compete in the global market and to increase economic productivity. Workload balancing of resources in BPMS is one of the challenges have been long studied by researchers. Workload balancing of resources increases the system stability, improves the efficiency of the resources and enhances the quality of their pr...
OBJECTIVES In the occupational health field, it is important to know how workload influences mental health. Overtime work and job strain appear to affect the mental health status of workers. Sense of coherence (SOC) may mediate the relationship between work stress and mental health. Since SOC represents a personal ability to manage psychological stressors, we hypothesized that a strong SOC woul...
The present study examined the effects of an electroencephalographic- (EEG-) based system for adaptive automation on tracking performance and workload. In addition, event-related potentials (ERPs) to a secondary task were derived to determine whether they would provide an additional degree of workload specificity. Participants were run in an adaptive automation condition, in which the system sw...
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