- 1. There are no nodes
- There are only arcs. Nodes only exist in terms of being the source or target of an arc.
- 2. There are no arcs
- We all agree to interpret RDF triples as a directed graph, but really, they're just triples, just statements.
- 3. There is no XML
- Most of the time when we see a representation of RDF triples its in a serialized XML form. There are many different, valid ways to express the same RDF graph as XML. The tree of the XML document doesn't match the RDF graph (usually). Don't try to treat RDF as XML.
If you don't know what RDF is, please ignore this post
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