Not-for-profit organisations are significant users of IT services, including Portals, for the use of public outreach and service delivery. While lacking the resources of the commercial sector, many not-for-profit organisations’ needs may be similarly complex if they are relying on a portal for service delivery to a vulnerable client sector, or for the protection of medical records. In this pape...

A Web portal is a site that aggregates information from multiple sources on the World Wide Web and organizes this material in an easy user-friendly manner. Portals usually consist of a search engine, e-mail, news, and interactive chat facilities. The two main types of portals are horizontal and vertical portals. A horizontal portal is a Web site that provides consumers access to a number of dif...

Research portals are a means to present, discuss, and advance scientific findings. They are web-based knowledge management tools for research communities. Research portals foster collaboration among a community of scientists, research funders, and political decision-makers. However, research communities might not possess the knowledge and experience required to design a research portal. The aut...

Because of the increasing use of digital information within educational organizations, users encounter problems with finding and selecting the right information. Therefore, the request for personalized information becomes an important issue. Portals are seen as a solution because they can combine various information channels in a personalized way. This was also the conclusion of recent research...

Grid portals that can provide a uniform access to underlying grid services and resources are emerging. Currently, there are a variety of technologies and toolkit that can be employed for grid portal development. In order to provide a guideline for grid portal developers to choose suitable toolkit, in this paper, we briefly classify grid portals into non portlet-based and portlet-based, and atte...

The diffusion of mobile services is one of important technological phenomena of the twenty-first century (Dholakia & Dholakia, 2003). According to the International Telecommunication Union,1 the number of mobile service users had exceeded 1.5 billion individual subscribers by early 2005. This represents around one-quarter of the world’s population. The introduction of .mobi, a new toplevel doma...