Metadata & RDF Flashcards
1
Q
What is RDF (Resource Description Framework)?
A
A format for encoding metadata?
2
Q
What is metadata?
A
Data about data, provides information about other data but not about the content of the data
3
Q
What is a common example of metadata?
A
the <head> element in HTML
4
Q
What is the difference between RDF and XML?
A
RDF is a graph and XML is a tree
5
Q
How is RDF defined?
A
In terms of labelled graphs
6
Q
How can metadata encoded in RDF (as a labelled graph) be expressed as XML?
A
Through the serialisation of the RDF
7
Q
What does a triple consist of?
A
Subject, predicate & object
8
Q
What is a resource?
A
nodes that reference actual things in the world
