David,
Thanks for suggesting the count/union operation...i researched it a
little bit and it makes complete sense, however i must be doing
something wrong because its not returning TRUE when it should be...see
the IF statement in the subset template below. I've reminded you how
i initialized $s1 and $s2 in the main template....
<!--using the 2nd transaction...-->
<xsl:variable name="transitems1"
select="document('transactions.xml')//transaction[2]" />
<xsl:output method="html"/>
<xsl:template match="/">
<!-- set1 = 1st itemset consisting of 3 items Milk, Butter, Eggs
(using itemsets.xml)-->
<xsl:variable name="set1" select= "frequent_item_sets//set[1]" />
<!-- set2 = 2nd transaction, 11 items (Milk, Butter, and Eggs
among them) -->
<xsl:variable name="set2" select="$transitems1/items" />
<!--output both sets-->
<xsl:value-of select="$set1"/>
<xsl:value-of select="$set2"/>
<xsl:call-template name="subset">
<xsl:with-param name="s1" select="$set1"/>
<xsl:with-param name="s2" select="$set2"/>
</xsl:call-template>
<xsl:template name="subset">
<xsl:param name="s1"/>
<xsl:param name="s2"/>
<xsl:value-of select="count($s1/item)"/> <!--shows '3' -->
<xsl:value-of select="count($s2/item)"/> <!--shows '11'-->
<!--following is not executing-->
<xsl:if test="count($s1/item|$s2/item)=count($s1/item)">
<b>S1 is a subset of S2.</b>
</xsl:if>
</xsl:template>
On Thu, 9 Dec 2004 11:50:52 GMT, David Carlisle
<davidc(_at_)nag(_dot_)co(_dot_)uk> wrote:
I read the problem as being based on equality rather than identity of nodes,
but I might not have read carefully enough...
I read it that way, but was trying to be Jeni and answered what I
suspected was the real question. We'll see if I really am Jeni
or not...
David
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