SPARQL 1.1: created values in CONSTRUCT?

 Section 14.1.2 of the SPARQL 1.1 Query Language specification
 [1] describes a way to introduce values not already present in
 the graphs being queried.  E. g.:

…
SELECT ( fn:concat(?G, " ", ?S) AS ?name )
…

 Section 14.2 describes the CONSTRUCT query, which can be used to
 create a new graph based on one or more existing ones and a
 template.

 It makes me wonder, is there a way to introduce new values in
 the CONSTRUCTed graph?

[1] http://www.w3.org/TR/sparql11-query/

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