Although the ever growing Web contain information to virtually every user’s query, it does not guarantee effectively accessing to those information. In many situations, the user...
In this paper we present a graphical query language for XML. The language, based on a simple form of graph grammars, permits us to extract data and reorganize information in a new...
Abstract. This paper presents the ’Media Watch on Climate Change’, an interactive Web portal that combines a portfolio of semantic services with a visual interface based on tig...
Arno Scharl, Albert Weichselbraun, Alexander Hubma...
One important task of semantic web portals is to offer both end users and applications a seamless access to knowledge contained in heterogeneous data sources in specific user commu...
-- The Legion Grid Portal is an interface to a grid system. Users interact with the portal, and hence a grid through an intuitive interface from which they can view files, submit a...
Anand Natrajan, Anh Nguyen-Tuong, Marty Humphrey, ...