Не выводятся метки (теги) в XSL список элементов инфосистемы

<xsl:template match="/informationsystem">
    <xsl:if test="count(informationsystem_item/tag)">
         <div>
            Метка — <strong><xsl:value-of select="tag" disable-output-escaping="yes" /></strong>
            <xsl:if test="tag/description != ''">
               <p><xsl:value-of select="tag/description" disable-output-escaping="yes" /></p>
            </xsl:if>
         </div>
      </xsl:if>
</xsl:template>

<!-- /// Метки для информационного элемента /// -->
   <xsl:template match="tag">
      <a href="{/informationsystem/url}tag/{urlencode}/">
         <xsl:value-of select="name"/>
      </a>
      <xsl:if test="position() != last()">
         <xsl:text>, </xsl:text>
      </xsl:if>
   </xsl:template>

if ($Informationsystem_Controller_Show->item == 0)
{
    $Info_tags = Core_Entity::factory('Tag');
    $Info_tags->queryBuilder()
        ->select(array('COUNT(tag_id)', 'count'), 'tags.*')
        ->join('tag_informationsystem_items', 'tag_informationsystem_items.tag_id', '=', 'tags.id')
        ->join('informationsystem_items', 'tag_informationsystem_items.informationsystem_item_id', '=', 'informationsystem_items.id')
        ->where('informationsystem_items.informationsystem_id', '=',Core_Array::get(Core_Page::instance()->libParams, 'informationsystemId'))
        ->where('informationsystem_items.deleted', '=', 0)
        ->where('tags.deleted', '=', 0)
        ->groupBy('tag_informationsystem_items.tag_id')
        ->having('count', '>', 0);

    $Info_tags = $Info_tags->findAll(FALSE);

    $oTags = Core::factory('Core_Xml_Entity')->name('info_tags');
    if (count($Info_tags)) {
        foreach ($Info_tags as $oInfo_tag) {
            $oTags->addEntity(
                $oInfo_tag->clearEntities()
            );
        }
    }
    $Informationsystem_Controller_Show->addEntity($oTags);
}

<xsl:if test="count(info_tags) &gt; 0">
    <xsl:apply-templates select="info_tags/tag"/>
</xsl:if>

<xsl:for-each select="informationsystem_item/tag">
   <xsl:value-of select="name" disable-output-escaping="yes"/>
</xsl:for-each>