MarkLogic 9 Product Documentation

sem.tripleSubject

sem.tripleSubject(
   triple as sem.triple
) as xs.anyAtomicType

Summary

Returns the subject from a sem:triple value.

This function is a built-in.

Example

var sem = require("/MarkLogic/semantics.xqy");

var triple = sem.triple(sem.iri("subject"), sem.iri("predicate"), "object");
sem.tripleSubject(triple);
=>
"subject"