Linked Data Cloud diagram and Linked Dataset catalog updated

As part of deliverable 4.5, UMA has released an updated version of the Linked Data Cloud diagram and an Linked Dataset catalog. More information about the diagram and the catalog is found at: http://data.dws.informatik.uni-mannheim.de/lodcloud/2014/ and http://linkeddatacatalog.dws.informatik.uni-mannheim.de/