GraphViz does rock, however. And, you are right: it is very handy for visualizing RDF data (self plug: I had examples for this in my last Ruby book)
http://kushalhisblog.blogspot.com/2009/08/diagrammr.html
GraphViz does rock, however. And, you are right: it is very handy for visualizing RDF data (self plug: I had examples for this in my last Ruby book)