You can enable declaration of XML namespaces. This is only needed for some XML files or XML streams loaded directly into StoryTeller. It is not needed for normalized data coming from Event tools.
To address the title element, it is not possible to use /html/head/title because it does not select anything. You must instead specify the namespace URI and declare the prefix in StoryTeller in the Processing Properties dialog, in
Custom Properties:
Where <prefix> is the prefix name that will be associated with the specifed <URI>