Web service deployment is hampered by the possibility of sudden variations in request volumes. Mechanisms exist to enhance scalability in times of heavy load when the delivered content is static. However, web services typically involve dynamic content, delivered through application servers which may have little to no support for adapting to varying loads in order to ensure timely delivery. In t...

The era of Internet as a multicast mechanism destined for standardized content has come to an end. One-to-one marketing and eCRM are leveraged by personalizing the web content. By reviewing relevant literature and well known case studies, this paper aims to show key features of personalized e-services, present a step-by-step methodology for building a personalization initiative as well as the u...

Many sites have recently begun to encourage user participation and provide consumers with a virtual community wherein the user can create an on-site identity, make friends, and interact with other consumers. We study the interplay between users’ functional and social behavior on media sites and their willingness to pay for premium services. We use data from Last.fm, a site offering both music c...

Building a workflow management system (WFMS) is a large project. However, with the development of grid technology, it becomes easily to do that. In Open Grid Service Architecture (OGSA), everything is a service. Thus, a workflow management system can be easily built upon a set of services. Some workflow management services and important components are proposed in this paper. And the definition ...

INTRODUCTION Having children with chronic diseases such as asthma creates conditions that cause emotional and behavioral problems in parents. In most families, the mother tends to have the first role in caring for her child and therefore mothers endure greater psychological pressure than other family members. These mothers' experiences and problems are different due to cultural and economic dif...

User-generated content provides online consumers with a wealth of information. Given the ever-increasing quantity of available content and the lack of quality control applied to this content, there is a clear need to enhance the user experience when it comes to effectively leveraging this vast information source. In this paper, we address these issues in the context of user-generated product re...

studying the physiological responses of linseed genotypes to water deficit stress may be helpful in recognizing the linseed resistance mechanisms to the latter stress factors. therefore, a split plot rcbd field experiment was conducted with three replications to explain interrelations of leaf chlorophyll, proline and soluble carbohydrates content and grain yield of six linseed genotypes under t...