Identifying the most relevant items in an e-commerce site is becoming more and more
difficult nowadays because of the heavy overload of information. A Java Recommender
System that uses Collaborative Filtering techniques has been developed to reduce such
information overload and even personalize the information to the individual’s preference.
The...
This dissertation focuses on indoor free-space optical communications systems for use in short range wireless networks. We propose that current radio frequency wireless links be augmented or replaced with optical frequency links due to overcrowding in the radio frequency spectrum. Optical frequencies contain hundreds of terahertz of unregulated bandwidth and...
We develop a theoretical model to address the effects of different market structures on the ex-vessel prices and consequently how this would impact the risk-sharing mechanism for harvesters and processors in fisheries. We focus our research on two market structures, price-at-landing (PL) and post-season pricing (PS). PL market structure is...
Increased physical activity (PA) in children has been linked to improved quality of life, as well as the establishment of life-long PA habits that lead to improved health outcomes. The literature suggests that children who participate in organized sport programs engage in more PA than children who do not. Notably,...
The Office of Disease Prevention and Health Promotion released the Healthy People 2020 plan in 2010 (Office of Disease Prevention and Health Promotion [ODPHP], 2010). The mission of Healthy People 2020 is focused on improving the health of all Americans. One common tool utilized to improve the health of Americans...
The purpose of this study was to examine the effects of a disability awareness unit implemented into secondary level physical education curricula, on acceptance and knowledge of students without disabilities. One hundred twelve students in the 7th and 8th grades participated in this study. Predetermined classes of students were randomly...
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Joonkoo Yun, Ph.D.
The purpose of this study was to examine the effects of a disability
Afterschool staff have been identified as a critical piece in the positive outcomes youth receive through participation in afterschool programs (Apsler, 2009; Daud & Carruthers, 2008; Riggs & Greenberg, 2004). These programs may benefit youth with disabilities but little is known about what influences staff to include youth with disabilities...
The purpose of this study was to investigate the stages of exercise change, the levels of physical activity, and barriers to exercise among Kuwaiti individuals with and without disabilities. This study was conducted on 100 participants (50 males and 50 females) aged from 18 to 55 years. Stage of exercise...
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Joonkoo Yun
The purpose of this study was to investigate the stages of exercise change, the
The promotion of out of school physical activity during physical education has received increasing attention as a tool for combating increasing sedentary time among youth. Qualitative work has shown that physical education teachers feel they lack the knowledge necessary to include physical activity promotion in their lessons and unprepared by...
The ability to establish and maintain balance is claimed to be an important prerequisite of movement tasks. However, despite this general belief, there is limited empirical evidence to support the contribution of balance in motor skill performance. Furthermore, psychometric properties of using a computerized force platform to assess balance ability...