[Cubicweb] syntactic sugar in SPARQL gives inspiration for RQL

[Nicolas Chauvat]

Hi List,

I recently had to re-read the SPARQL 1.1 specification and realized I
had forgotten about two pieces of syntatic sugar (paths and
alternatives), that we may want to import in future versions of RQL:

alternatives: "(X a Y) U (X b Y)" <=> "X a|b Y"

paths: "X a Y, Y b Z" <=> "X a/b Z"

WDYT ?

-- 
Nicolas Chauvat

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