Example: Iterate over parents of a node
This example demonstrates retrieving the parents of a starting node. In this case, we start at the Emu node, and retrieve its two parents.
<vbox datasources="animals.rdf" ref="http://www.some-fictitious-zoo.com/birds/emu">
<template>
<rule>
<conditions>
<content uri="?uri"/>
<member container="?parent" child="?uri"/>
<triple subject="?parent"
predicate="http://www.some-fictitious-zoo.com/rdf#name"
object="?name"/>
</conditions>
<action>
<label uri="?parent" value="?name"/>
</action>
</rule>
</template>
</vbox>