Tag: OWL

  • Semantic Web Technologies – OWL, Rules and Reasoning

    Summary of week four for the course Knowledge Engineering with Semantic Web Technologies 2015 by Harald Sack at OpenHPI. RDFS Semantics: we need this because there was no formal description of the semantics and then the same querys gave back different results. So you add semantics. Every triple encoded in RDF is a statement and…

  • Semantic Web Technologies – Ontology and logic

    Summary of week three for the course Knowledge Engineering with Semantic Web Technologies 2015 by Harald Sack at OpenHPI. This lecture deals with ontologies. If you want to speak a common language, you need: common symbols and concepts (Syntax) agreement about their meaning (Semantics) classification of concepts (Taxonomy) associations and relations of concepts (Thesauri) rules…