On 21/12/10 19:23, Benson Margulies wrote:
This doesn't work for me: no results.

PREFIX x-arq:<urn:x-arq>
SELECT ?x ?y from x-arq:UnionGraph WHERE { ?x ?y "Blair" }


# trailing ":" needed: a prefix name a:b does not include the ":"
PREFIX x-arq:<urn:x-arq:>

# GRAPH not FROM
SELECT ?x ?y
WHERE
  {
     GRAPH x-arq:UnionGraph { x ?y "Blair" }
  }

should work.

It's GRAPH to access a graph within the dataset.

FROM x-arq:UnionGraph may work (because of TDB dynamic dataset)

/me must move the union support up to ARQ sometime.

        Andy

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