FLEX is a new cost eeective, \locality aware" load balancing solution for a shared web hosting service implemented on a cluster of machines 3]. FLEX allocates hosted web sites to diierent machines in the cluster based on the sites' processing and memory requirements which are estimated using the site logs. Appropriate routing of requests can be achieved by using the DNS infrastructure, since ea...

Water resources are one of the limiting factors of regional development around the Eastern and Southern Mediterranean. Scarcity and conflict, but also considerable uncertainty, inter-annual variability, and simple lack of reliable data characterize the problems of water resource management in many countries and river basins. Within the EU sponsored international RTD project OPTIMA a water resou...

Current web security systems need Intrusion Detection and Prevention Systems (IDPS), web proxies and firewalls to protect the websites from malicious network traffic. All these functions come at a cost for a web farm and add to power costs. Our previous work has concluded that the web server detection of application layer DDoS attacks is far more power efficient than an equivalent IDPS. This pa...

Cellular response to stimuli is typically complex and involves both regulatory and metabolic processes. Large-scale experimental efforts to identify components of these processes often comprise of genetic screening and transcriptomic profiling assays. We previously established that in yeast genetic screens tend to identify response regulators, while transcriptomic profiling assays tend to ident...

Analysis of seven optimization techniques grouped under three categories (hardware, back-end, and front-end) is done to study the reduction in average user response time for Modular Object Oriented Dynamic Learning Environment (Moodle), a Learning Management System which is scripted in PHP5, runs on Apache web server and utilizes MySQL database software. Before the implementation of these techn...

3Drefine is an interactive web server for consistent and computationally efficient protein structure refinement with the capability to perform web-based statistical and visual analysis. The 3Drefine refinement protocol utilizes iterative optimization of hydrogen bonding network combined with atomic-level energy minimization on the optimized model using a composite physics and knowledge-based fo...

This paper presents some results of an ongoing NRC-NSC joint project on Multidisciplinary Design Optimization. It focuses on the development of a Web/agent based distributed Multidisciplinary Design Optimization (MDO) environment called WebBlow which is being implemented using a number of emerging technologies such as the Internet, Web, XML, Java, and intelligent agents. The Web provides the in...