On 22/02/2021 15:31, james anderson wrote:
why did the authors exclude path variables when considering the alternatives.
this formulation appears intuitive.
ASK { <x> ?p+ <y> }
Which is almost:
ASK { <x> (!<>)+ <y> }
why was it rejected?
Time mostly.
discussions appear here and elsewhere as to the wildcard predicate expression
and its variants.
why was it not permitted as a direct expression?
ASK is not special in its evaluation of patterns.
In SELECT and more general path settings:
What would the answer be? And how many? What if there are DAGs?
Andy
