On Oct 22, 2013, at 9:39 AM, Vincent Carey wrote: > Do we need some investment in interoperability with igraph? Maybe this is old news, or falls short of the mark, but two functions from igraph provide some interoperability: igraph.from.graphNEL(graphNEL, name = TRUE, weight = TRUE, unlist.attrs = TRUE) igraph.to.graphNEL(graph) - Paul