Felix S. K. Leung

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Assuring quality in capturing and representing the systems requirements is extremely important. This study is aimed at understanding errors frequently committed by novice systems analysts in developing domain models using the Unified Modeling Language (UML). Understanding of errors that affect the quality of resulting conceptual models and the relationships(More)
The effect of delay of surgery on the geriatric hip fractures has been a subject of interest in the past two decades. While the elderly patients will not tolerate long periods of immobilization, it is still unclear how soon these surgeries need to be performed. A review of existing literature was performed to examine the effect of timing of surgery on the(More)
Geriatric hip fracture is one of the commonest fractures in orthopaedic trauma. There is a trend of further increase in its incidence in the coming decades. Besides the development of techniques and implants to overcome the difficulties in fixation of osteoporosis bone, the general management of the hip fracture is also very challenging in terms of the(More)
Throughout the past few decades, demographics are changing swiftly throughout the world. In the United States, Japan, China, and many parts of Europe, life expectancy has risen to well above 70 years [1]. As a result, there is an expected increase in the number of hip fractures in the world and an increasing demand for treatment of fragility fractures [2].(More)
The application of analysis patterns has gained an increasing interest among researchers and software analysts over the last few years. Their beliefs of advocating analysis patterns are to support knowledge reuse and produce more reliable conceptual design at reduced time frame. The idea of documenting analysis patterns is to capture proven expert solutions(More)
Hip fracture is a common injury among the elderly. Although patients who receive hip fracture surgery carry the best functional recovery compared to other treatment modalities, the presence of postoperative pulmonary complications, such as atelectasis, pneumonia, and pulmonary thromboembolism, may contribute to increased length of hospital stay,(More)
INTRODUCTION Brucellosis is a systemic infectious disease which is still a challenging medical problem in rural areas such as northern China. It rarely occurs in urban areas such as Shenzhen in southern China. Osteoarticular involvements are frequently seen in brucellosis, and rarely is arthritis the only clinical presentation. We report a case of hip(More)
Hip fractures are common events in the geriatric population and are often associated with significant morbidity and mortality. Over the coming decades, the size of the greying population is forecast to increase and hence, the annual incidence of hip fracture is expected to rise substantially. Several studies have shown that hip fracture surgery performed(More)
In this competitive world, all enterprises depend on the IT as their active support for various purposes. As a result the software projects are becoming larger and more complex. Hence the developers face challenge of developing the complex software's more quickly. The best solution to this is the concept of Reuse [1]. Through object oriented analysis(More)