ext-list-3.arq

Jena推理机

PREFIX  :        <http://example/>
PREFIX  jext:    <java:com.hp.hpl.jena.query.extension.library.>
PREFIX  jfn:     <java:com.hp.hpl.jena.query.function.library.>

SELECT *
{ :x :list ?list .
  EXT jext:list(?list, 2)
}