Nanopublications LDF server

Matches in Nanopublications for { ?s ?p " (case (isstring (^{sqlval-of-tree}^)) when 0 then NULL else (^{sqlval-of-tree}^) end)^{as-name-0}^^{comma-cut}^(^{language-of-tree}^)^{as-name-1}^" ?g. }