This tutorial explores data modelling by comparing and contrasting traditional relational databases with property graph databases and RDF Linked Data graph databases. Also discusses the benefits of reusing ontologies and vocabularies from well-known and authoritative sources.
Keywords: Graph model, Property graph, Name authority file, Relational model
Author: Loh, Yu Gene
Date created: 2016-11-01 04:00:00.000
Time required: P15M
Educational use: instruction
Educational audience: student
Interactivity type: expositive
- Articulates differences between the RDF abstract data model and the XML and relational models.
- Knows the subject-predicate-object component structure of a triple.
- Reuses published properties and classes where available.
- Understands the difference between SQL query language (which operates on database tables) and SPARQL (which operates on RDF graphs).