The Innovation Development of Deutsche Telekom Laboratories has developed a web portal for enterprise expert communities. It combines expert matching and communication functions to initiate and support domain specific online discussions. This paper describes the move from basic features of this corporate portal to a Web 2.0 instance using the results of a field trial and a usability evaluation....

Community web sites exhibit the property that multiple content providers exist. Of course, any portal is only as useful as the quality and amount of its content. Developing original content is time consuming and expensive. To offset the cost, we present a novel framework, viz. SEAL (SEmantic portAL), that builds on Semantic Web standards. We illustrate our approach with examples from the OntoWe...

Emerging trends and challenges. The advent of web-based applications, such as shopping, social networking, photos, videos, music, gaming, and chat, are increasing the popularity and accessibility of the Internet. There is also growing focus on application integration platforms, such as Sun’s Java Composite Application Platform Suite, Facebook’s Application Platform, and Oracle’s Application Dev...

The Web portals business model has spread rapidly over the last few years. Despite this, there have been very few scholarly findings about which services and characteristics make a Web site a portal and which dimensions determine the customers' evaluation of the portal's quality. Taking the example of financial portals, the authors develop a theoretical framework of the Web portal quality const...

In large-scale scientific simulations, we sometimes have access to supercomputers and largescale cluster systems of appropriate computer centers at remote sites as a way of obtaining large scale computer resources. In this case, some difficulties in using such resources due to differences in rules and job execution at each computer center have been found. Differences among remote sites to be ac...

We propose IC-portal which is a novel Web-based integrated communication support system for understanding a social problem. Understanding a social problem is important for our decision making, however, it is difficult because large amount of disordered information can be found on the Internet. For understanding a social problem, (a) comprehensive multimedia presentations so that one can find an...

In this paper, we present the final results from research project “Urban Abacus of Building Energy Performances (Abaco Urbano Energeticodegli Edifci–AUREE)” aimed at supporting renovation process and energy efficiency enhancement urban building stocks. The crux AUREE is a Web–GIS GeoBlog portal with customized semantic dashboards sharing information on an built environment promoting participati...

GRIDA3 (Shared Resources Manager for Environmental Data Analysis and Applications) is a multidisciplinary project designed to deliver an integrated system to forge solutions to some environmental challenges such as the constant increase of polluted sites, the sustainability of natural resources usage and the forecast of extreme meteorological events. The GRIDA3 portal is mainly based on Web 2.0...

Many authors report uncertainties over the expression Web portal, but nowhere are these more understandable than with library applications. On one hand, the phase library portal is a tautology. In keeping with the traditional role of a doorway to knowledge, much of the library’s Web presence is characterized by portal functions and their continuing role as “trusted” information resources. On th...

This paper provides a summary of the initial development of a Web portal for the digital government domain. Information retrieval techniques commonly used to find information on the Internet are discussed along with the problems associated with these techniques that led to the development of the Digital Government Web portal (DGPort). We also discuss the advantages that DGPort could have for re...