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| Question | Answer |
| What is the Semantic Web? | - Vision of new Web - Based on technologies like: XML RDF OWL Ontologies - Uses inference Services |
| Why are metadata becoming more important and how are they used in the Web? | - Metadata "data over data" - Used to represent meaning of some content (e.g. a Picture or a Video) |
| Why are metadata becoming more important and how are they used in the Web? | - Content on the Web becomes more & more multimedia -> more difficult to process |
| Why are metadata becoming more important and how are they used in the Web? | - Semantic technologies like RDF or OWL -> used to encode metdata - Metadata -> can be included in the web by "Microformats", "Microdata", or as "RDFa" |
| What is "Linked Open Data"? | - Is about using the Web to connect related Data that wasn't previously linked - DBpedia -> plays a central role to link different vocabularies - Data is available as RDF triples |
| Explain the words taxonomy! | - Hierarchy of classes/concepts - Kind of ontology (weak ontology) |
| Explain the words ontology! | - Formal representation of knowledge as a set of concepts within a domain, and the relationships between pairs of concepts - Can be used to model a domain and support reasoning about entities. |
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