Knowledge Graphs

Exercise 2.2 - RDF Data Model

Which of the following statements is true?

a. An anonymous node is the same as a blank node.
b. Every IRI is also a URI.
c. Blank nodes can never be used outside the RDF document in which they were originally defined.
d. An RDF document can refer to identifiers defined in only one namespace.
e. An RDF dataset must contain exactly one dataset.