An implementation of the graph hashing algorithm described by Höfig/Schieferdecker in "Hashing of RDF Graphs and a Solution to the Blank Node Problem".
http://ceur-ws.org/Vol-1259 http://publica.fraunhofer.de/documents/N-326390.html
graph = RDF::Graph.load("spec/data/doap.nt")
graph_digest = RDF::Digest.hash(graph)Chaos ensues when you name a module Hash, so we're abusing the term "Digest"