In this paper we show how to improve the architecture of Web Information Systems (WISs) using design patterns, in particular navigational patterns. We first present a framework to...
The performance evaluation of an information retrieval system is a decisive aspect for the measure of the improvements in search technology. Our work intends to provide a framewor...
SemanticOrganizer is a collaborative knowledge management system designed to support distributed NASA projects, including multidisciplinary teams of scientists, engineers, and acci...
Richard M. Keller, Daniel C. Berrios, Robert E. Ca...
Semantic Portal is the next generation of web portals that are powered by Semantic Web technologies for improved information sharing and exchange for a community of users. Current...
Lei Zhang, Yong Yu, Jian Zhou, Chenxi Lin, Yin Yan...
Web-based Information Systems (WIS) are now widely used for diffusing and processing information over the network. Methodological guidelines which assist WIS developers in their t...