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...
A typical problem for webdesigners is to realize pages that can be potentially accessed from a number of display devices with different screen sizes and resolutions. Liquid layouts...
: The system presented in this paper shows an alternative solution for the communication problem in virtual teams. Although it does not address the full bandwidth of tasks of an gr...
Conjunctive query answering is a key reasoning service for many ontology-based applications. In order to improve scalability, many Semantic Web query answering systems give up com...
Giorgos Stoilos, Bernardo Cuenca Grau, Ian Horrock...
Similarity search in metric spaces is a general paradigm that can be used in several application fields. It can also be effectively exploited in content-based image retrieval syst...