Karlsruhe University of Education

From manual to semi-automatic semantic annotation: about ontology-based text annotation tools

Semantic Annotation is a basic technology for intelli- gent content and is beneficial in a wide range of content- oriented intelligent applications. In this paper we present our work in ontology-based semantic annotation, which is embedded in a scenario of a knowledge portal appl...

Geometric algebra: an overview about different implementation representations and memory requirements

Abstract Several implementations of geometric algebra are available, and many have been approved in the past and can be found in various software codes. For low-dimensional algebras, representations as a sum of basis blades are typically the most suitable. However, isomorphic or...