RDF (Resource Description Framework) is the data model of the Semantic Web. . In this lesson you will learn: 1) What RDF is and how it fundamentally differs from XML and relational databases; 2) What is meant by a "graph data model"; 3) How RDF is typically represented visually; 4) The importance of the URI, and the significance (or lack thereof) of identity "universality".
URL: http://www.cambridgesemantics.com/semantic-university/rdf-101
Keywords: HTTP URIs, Vocabulary, Graph model
Publisher: Cambridge Semantics
Language: http://id.loc.gov/vocabulary/iso639-2/eng
Time required: P20M
- Articulates differences between the RDF abstract data model and the XML and relational models.
- Knows graphic conventions for depicting RDF-based models.
- Knows the subject-predicate-object component structure of a triple.
- Understands a named graph as one of the collection of graphs comprising an RDF dataset, with a graph name unique in the context of that dataset.
- Understands the difference between literals and non-literal resources.
- Understands the RDF abstract data model as a directed labeled graph.
- Knows that Uniform Resource Identifiers, or URIs (1994), include Uniform Resource Locators (URLs, which locate web pages) as well as location-independent identifiers for physical, conceptual, or web r
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