What are two perspectives on forming resource descriptions?
We can approach the problem of how to form resource descriptions from two perspectives: structuring and writing.
(See §8.1, “Introduction”)
Are metamodels domain-specific?
Metamodels describe structures commonly found in resource descriptions and other information resources, regardless of the specific domain.
What do blobs, sets, lists, dictionaries, trees, and graphs have in common?
Blobs, sets, lists, dictionaries, trees, and graphs are all kinds of structures that can be used to form resource descriptions.
What is a list?
A list, like a set, is a collection of items with an additional constraint: their items are ordered.
(See §188.8.131.52, “Lists”)
What is a dictionary?
What are the two kinds of data structures used by JSON?