An empirically veri1ed characteristic of the expanding area of Internet is the long tailness of phenomena such as cpu time to complete a job, call holding times, 1les lengths requested, inter-arrival times and so on. Extreme values of the above quantities are liable to cause problems to the e'cient operation of the network and call for e7ective design and management. Extreme-value analysis is a...

INTRODUCTION The relationship between extreme temperature and population health has been well documented. Our objective was to assess the evidence supporting an association between extreme temperature and work related injuries. METHODS We carried out a systematic search with no date limits using PubMed, the Cochrane central register of controlled trials, EMBASE, Web of Science and the interne...

Internet gambling is one of the fastest growing sectors of e-commerce and rapidly growing as a mode of gambling. Although Internet gambling is characterized by high levels of customer choice, little is known about Internet gamblers or their engagement with Internet and non-Internet forms of gambling. Regulators are struggling to respond to Internet gambling given that little is known about the ...

Introduction: Extreme-altitudes (5500 m/18045 ft and higher) pose environmental, psychophysiological, infrastructural, logistic, and ergonomic challenges that question explorer’s adaptability and mission-efficiency due to isolation, monotony, intimidating environment and terse health conditions. The assessment of an explorer’s comprehensive adaptability in extreme-altitudes is ...

background according to world health organization (who) estimation, more than half of all pharmaceutical products are inappropriately prescribed, distributed, and sold and more than half of all patients use the medicines prescribed for them incorrectly. as more than 40% of therapeutic costs are pharmaceutical costs, this implies a significant waste of health resources in the world. objectives t...

Over the past decade, content delivery networks (CDNs) have attracted substantial Internet traffic and improved quality of experience for Internet users. However, the evolution of the Internet ecosystem, which is driven by underlying economic incentives and ever emerging technologies, posts great challenges to the existing commercial CDNs (CCDNs). Thoroughly understanding the CDN industry from ...

This paper analyses consumer attitudes towards Internet-based e-shopping. It aims to provide a theoretically and empirically grounded initial reference position, against which later research can explore and interpret the effects of changes in variables representing consumer preferences and shifts in these preferences on the success or failure of B2C e-commerce over the Internet. Because of the ...

background: widespread use of the internet, lack of proper use and non-targeted searches, not only moves the students far from the main mission of the internet in the university but also will impact adversely on their academic status . the aim of this study was to determine the relationship between internet addiction with academic status and smoking in lorestan university of medical sciences, i...

Some studies show that Internet markets are more efficient than conventional markets with respect to price levels, menu costs, and price elasticity, except substantial and persistent dispersion in prices on the Internet. Is price dispersion in Internet markets higher than that of conventional markets? This paper examines the nature of price competition in books among five online book-sellers in...