Semantic web

Carlo Meghini      Tel. 0503152893

The course presents Semantic web technologies, making the student able to design and implement knowledge bases based on ontologies encoded with Semantic Web languages, and offered access as Linked Data. • The architecture of the Web and the Semantic Web stack; URI. • Resource Description Framework (RDF) and RDF Schema • The query language SPARQL • Linked data: creation of data sets from DB relations; access. • Web Ontology Language (OWL): syntax and semantics • Top ontologies: main definitions and examples (DOLCE and CRM) • Specific ontologies, such as semantic sensor networks. • Extraction of knowledge from KB’s (DBpedia, Freebase) • Project consisting in the creation of ontologies (use of Protegé).