This workflow gets all the evidence types within a specified Ondex graph
http://rpc274.cs.man.ac.uk:8080/ondex/services/ondex-graph?wsdl
getEvidenceTypes
org.embl.ebi.escience.scuflworkers.java.XMLInputSplitter
org.embl.ebi.escience.scuflworkers.java.XMLOutputSplitter