The W3C RDF Working Group has published two Last Call Working Drafts to line based, plain text formats to encode RDF Graphs and RDF Datasets: N-Triples and N-Quads, respectively. Comments are expected before the 14th of October.
About Ivan Herman
Ivan Herman is the leader of the Digital Publishing Activity at W3C. For more details, see http://www.w3.org/People/Ivan/