Latest articles

The increasing popularity of wireless and cellular networks multimedia traffic among the consumers has raised new demands for investigation of their underlying Quality of Service (QoS) and Quality of experience (QoE) requirements. In this work, we carry out an application-based analysis of such requirements. Using…

The role of innovation in economic growth is perceived differently by the different schools of thought. The neoclassical theories emphasise equilibrium in the economy and cannot explain the role of innovation, because the effect of innovation is actually a disturbance of equilibrium. Schumpeter (1961) has shown that…

Within the framework of the fast and deep change facing global economy, environmental scanning becomes a main driver for competitiveness. It's an information system directed to the outside environment of the company which plays the role of an intelligent observer who continuously seeks to supply…

Product placement is a booming practice that, in some cases, seems as the viable alternative to traditional advertising. The paper discusses the growth of the promotional technique of product placement. The size of the product placement industry and its penetration of different mediums are closely…

Nowadays, TV commercial spots efficiency became a major question which preoccupies marketing and commercial professionals. Experimentation is frequently used by researchers in order to model and assist marketing decisions. Within this framework, this research aims to apply a « joint analysis » statistical study in order…

Dermatofibrosarcoma protuberans (DFSP) is a rare cutaneous neoplasm with a high frequency of recurrence after inadequate primary treatment. It is most commonly seen in individuals in their third to fifth decades but has been reported in all age groups. Literatures regarding Dermatofibrosarcoma protuberans accounts for…

Several different methods are used for assessing the usability of websites. The ‘usability’ of a website describes how competently and easily a user or visitor without any proper training can interact with the site. Nowadays, social networking systems have become a major medium for online…

UDP glucuronosyltransferases (UGTs) are a family of enzymes that glucuronidate a variety of exogenous and endogenous compounds, including androgens; which makes them more hydrophilic, changes biological activity, and aids biological excretion. UGT2B17 has been identified as the major enzyme for testosterone glucuronidation, where UGT2B15 has…

Background: Glutathione S-transferases (GSTs) are members of the phase II biotransformation enzymes that play a key role in cellular detoxification of chemical carcinogens and xenobiotics. Variations at GST genes have been reported in different human populations, and some association studies have reported increased risk for…

Business clusters consist of economic structures assuring the often tenuous link between research regarding efficient national industrial policies, and regional planning and territorial anchoring issues. From this perspective, the logic of a synergy pertinent to global and local issues remains to be created around a…