<xsl:value-of select="./art:title"/> <xsl:text> | </xsl:text> <xsl:value-of select="document('/site/main.rdf')//dc:title/rdf:Alt/rdf:

<xsl:value-of select="./art:title"/> <xsl:text> | </xsl:text> <xsl:value-of select="document('/site/main.rdf')//dc:title/rdf:Alt/rdf:_2"/>