http://www.sgtp.net/AndreaSplendiani/ext/rdfscape/namespaces.jpg
0 Select the "Option" panel
1 Select the sub-panel "Name spaces". If you have selected an analysis context you may find a list of namespaces here. When reading ontologies, new namespaces found are registered here.
2 Change the prefix of a namespace. This change is automatically reflected in currently visualized query results (Synchronization views in the graph is not supported at the moment). If when reading an ontology no namespace is found, a custom prefix may be assigned.
3 Change the color with which element of an ontologies in a namespace are visualized. This affects query results, edges and nodes color. Change in color is Synchronized in query results and in graphs represented in Cytoscape.
4 Activate/Inactivate a namespace. Select which namespaces are visible while browsing an ontology. More in How to browse ontologies.
5 Add a new namespace. Prompts for the new namespace.
6 Remove currently selected namespace.