SPEX is designed to introspect data within SPARQL endpoints, leveraging the self-describing nature of RDF-based data to enhance your comprehension of the underlying schema.
Any time would be good. Often you don't know what prefixes are there. A prefix change means a reload of the data. You loose are your filters and layout work.
Any time would be good. Often you don't know what prefixes are there. A prefix change means a reload of the data. You loose are your filters and layout work.