What is RDF? What are 4 seralizations?
RDF is not a file format it is a Data Model
To serialize RDF:
N-Triples
Turtle
RDF/XML
JSON-LD
How does the N-triples Notation look like?
How does the compressed turtle notation look like?
What is the notation for datatypes in turtle. Name five datatypes?
How do language labels in turtle look like?
Why does the RDF/XML format exist when we have turtle?
Turtle is easily readable and machine processable
But: wider tool support for XML
XML serialization is wide-spread and common
How does the RDF/XML Serialization look like?
What is the notion and purpose of black nodes in turtle.
Auxiliary nodes that have only structural function but no real meaning
What are 3 different options for RDF sequences to connect to?
Draw a turtle sequences as a graph.
Draw a RDF closed list (collection?) as a graph
What is a collection?
A closed list
How do RDF collections in turtle look like?
What is RDF Schema?
Vocabulary for a
Object-oriented schema
Class-level knowlege
What are exemplary RDF (S) (for Schema) Vocabulary?
Can in the RDF Schema any instance belong to any number of classes?
Create an RDF graph for the classes Element, Space, Wall, several instances and the relationship containedin between the instances.
What do URI namespaces enable? 2 things
Enable reuse of vocabulary defined by others and to uniquely identify the resource.
How can I specify that a URI represents a relation?
Zuletzt geändertvor 2 Jahren
