A deep comprehension of Quality of Service (QoS) is essential before attempting to understand any QoS management model. Quality of service may be thought, at first sight, a simple and obvious notion. Nonetheless, an inspection in related literature emerges the complexity of the subject. This chapter analyzes the full significance of quality of service concept. First, a review of the most releva...

177 Abstract—Considerations for user-centric environments are regarded as essential for the successful deployment of convergence services in BcN. Event driven service (EDS) is regarded as a typical convergence service converging different functions of multiple service providers to support user-centric environments. This paper first describes the deployment model and service scenario of EDS, a c...

The antimicrobial activity of essential oils and their components has been recognized for a very long time. Essential oils (EOs) are made from a very complex mixture of volatile molecules that are produced by the secondary metabolism of aromatic and medicinal plants and can be obtained by distillation of different parts of plants. The large number of studies on the antimicrobial activity of EOs...

Like most developed countries with an ageing population, the incidence of patients vascular disease in Hong Kong is predicted to increase rapidly next few decades. Coronary, cerebrovascular and peripheral arterial diseases are usual end result systemic atherosclerosis, caused by longer life expectancy, high-lipid diet increasing prevalence diabetes mellitus. The aetiology management many (eg, c...

The saturation-based reasoning methods are among the most theoretically developed ones and are used by most of the state-of-the-art first-order logic reasoners. In the last decade there was a sharp increase in performance of such systems, which I attribute to the use of advanced calculi and the intensified research in implementation techniques. However, nowadays we are witnessing a slowdown in ...

Patient rights is one of the essential rights that should be considered by the medical staff, checking and comparing the attitudes of first and last year medical students to inform the ethical points of service delivery is important. The aim of this study was to compare and evaluate of first and last year medical students' attitude about respecting patients' rights in hospitals of Bushehr Unive...

A repairable 1 M G / / retrial queue with general retrial times, Bernoulli vacation, setup times and two-phase service is investigated in this paper. Customers are allowed to balk and renege at particular times. We assume that the customers who find the server busy or down are queued in the orbit in accordance with a first-come-first-served (FCFS) discipline. All customers demand the first “ess...

Service orchestration approaches are widely used to composing multiple business services (partner services) into a business process to achieve a particular business objective. The business relationships captured in such a service orchestration are primarily those between the partner services and the business process itself. This however results in tight-coupling between processes and partner se...