Richard Cyganiak

FROM and FROM NAMED are not allowed in subqueries. They need to be set on the outermost level of the query. Now, if the subquery is inside a SERVICE clause,...

Yeah, I must admit that I completely ignored the tests when updating the code. The test failures actually all show behaviour that I would call correct, according to the whitespace...

A good starting point for implementation might be this code from Neologism: http://code.google.com/p/neologism/source/browse/trunk/neologism/neologism.conneg.inc It uses a library: http://code.google.com/p/neologism/source/browse/trunk/neologism/#neologism%2Fincludes%2Fcontent_negotiation

What is the use case for underscores? The reason it's not allowed is that I don't want separate or different mappings for `dcterms`, `DCterms`, `dcTerms`, `dc_terms`, `DC-terms`, `dc.terms`, or whatever...

Good point. The argument I made above for the limited [a-z0-9] range is pretty strong, in my opinion. But it's good that vocabulary authors propose canonical prefixes for their vocabularies....

Good analysis. Can you make a separate PR just to make underscores resolve? I'll dig out the phpMyAdmin password…

@hsolbrig This PR is about underscores in the prefix. It looks like you want underscores as the last character of the namespace URI.

@hsolbrig Yes - https://twitter.com/cygri/status/1344250746171252736

We degrade quite gracefully here, so I'm not really worried about the 10%. The true reason for implementing this would be perfection for perfection's sake ;-) In the case of...

Anecdotal evidence has it that people look for the dump at `/all.ttl`. That's not a bad place for it. The page at `/popular/all` could then go to `/all` too. There...