Serd is a lightweight C library for reading and writing RDF in Turtle_, NTriples_, NQuads_, and TriG_. .. _Turtle: http://www.w3.org/TR/turtle/ .. _NTriples: http://www.w3.org/TR/n-triples/ .. _NQuads: http://www.w3.org/TR/n-quads/ .. _TriG: http://www.w3.org/TR/trig/