Pull Model:

<xsl:template match="people">
<top>
<name><xsl:value-of select="person/last-name"/></name>
</top>
</xsl:template>

Push Model:

<xsl:template match="people">
<top>
<xsl:apply-templates/>
</top>
</xsl:template>

<xsl:template match="last-name">
<name><xsl:apply-templates/></name>
</xsl:template>

Example Content: people-1.xml people-2.xml

Example Transformations: pull-person.xsl push-person.xsl