Abstract. We present a dialogue system that enables the access in natural language to a web information retrieval system. We use a Web Semantic Language to model the knowledge conv...
One of the challenges raised by the construction of the semantic Web lies in the analysis and management of complex relationships (thematic, spatial and temporal) connecting severa...
Abstract. For document-centric work, meta-information in form of annotations has proven useful to enhance search and other retrieval tasks. The Mymory project1 uses a web-based wor...
Malte Kiesel, Sven Schwarz, Ludger van Elst, Georg...
The problem of representing and reasoning about two notions of time that are relevant in the context of knowledge bases is addressed. These are called historical time and belief t...
Abstract. Conceptual modelling tools allow users to construct formal representations of their conceptualisations. These models are typically developed in isolation, unrelated to ot...