He spoke Old High German. Charlemagne was very interested in saving and conserving his mother tongues. He wanted writers not only to make poems and stories in Latin (was spoken at his court) but also in his mother tongue. Old High German died out as a language in the 11th century to make place for middle high german.
The Owl Project. The Owl Project is a community-building art organization that seeks to create large and small works of art by kids and grown ups for their communities.
Web Ontology Language (OWL) â This is the knowledge representation (KR) or schema language used by the Semantic Web. It allows you to define fully composable concepts (i.e., can be assembled and combined with other concepts in virtually unlimited ways) for whatever purpose.