jarl van katwijk wrote: > > > The others probably don't understand what we mean by 'XML representation'. > > The dataflow structure? No, all those little details that need to be stored about a node: location, type, mime-types, libraries, input parameters, what other nodes are connected to this node. Jeff -- +----------------------------------+ | J.W. Bizzaro | | | | http://bioinformatics.org/~jeff/ | | | | BIOINFORMATICS.ORG | | The Open Lab | | | | http://bioinformatics.org/ | +----------------------------------+