I have xml/rdf file which I get from service. So, I need to transform

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Editorial Team

Asked: May 19, 20262026-05-19T00:24:59+00:00 2026-05-19T00:24:59+00:00

I have xml/rdf file which I get from service. So, I need to transform

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I have xml/rdf file which I get from service. So, I need to transform it to html block via XSL.

Here is part of xml/rdf file:

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:c="http://s.opencalais.com/1/pred/">
    <rdf:Description rdf:about="http://d.opencalais.com/dochash-1/f1a1cace-8df1-3247-b8e2-331a8fa8363d/Instance/2">
        <rdf:type rdf:resource="http://s.opencalais.com/1/type/sys/InstanceInfo"/>
        <c:docId rdf:resource="http://d.opencalais.com/dochash-1/f1a1cace-8df1-3247-b8e2-331a8fa8363d"/>
        <c:subject rdf:resource="http://d.opencalais.com/comphash-1/f69211ed-b366-31a8-9e04-b85c50b8e0a5"/><!--Company: Zila Inc.; -->
        <c:detection>[                PHOENIX, March 28 /PRNewswire/ -- ]Zila, Inc.[ (Nasdaq: ZILA) Chairman and President Joseph]</c:detection>
        <c:prefix>                PHOENIX, March 28 /PRNewswire/ -- </c:prefix>
        <c:exact>Zila, Inc.</c:exact>
        <c:suffix> (Nasdaq: ZILA) Chairman and President Joseph</c:suffix>
        <c:offset>131</c:offset>
        <c:length>10</c:length>
    </rdf:Description>
    <rdf:Description rdf:about="http://d.opencalais.com/dochash-1/f1a1cace-8df1-3247-b8e2-331a8fa8363d/Instance/3">
        <rdf:type rdf:resource="http://s.opencalais.com/1/type/sys/InstanceInfo"/>
        <c:docId rdf:resource="http://d.opencalais.com/dochash-1/f1a1cace-8df1-3247-b8e2-331a8fa8363d"/>
        <c:subject rdf:resource="http://d.opencalais.com/comphash-1/f69211ed-b366-31a8-9e04-b85c50b8e0a5"/><!--Company: Zila Inc.; -->
        <c:detection>[March 28 /PRNewswire/ -- Zila, Inc. (Nasdaq: ]ZILA[) Chairman and President Joseph Hines announced]</c:detection>
        <c:prefix>March 28 /PRNewswire/ -- Zila, Inc. (Nasdaq: </c:prefix>
        <c:exact>ZILA</c:exact>
        <c:suffix>) Chairman and President Joseph Hines announced</c:suffix>
        <c:offset>151</c:offset>
        <c:length>4</c:length>
    </rdf:Description>
    <rdf:Description rdf:about="http://d.opencalais.com/comphash-1/f69211ed-b366-31a8-9e04-b85c50b8e0a5">
        <rdf:type rdf:resource="http://s.opencalais.com/1/type/em/e/Company"/>
        <c:name>Zila Inc.</c:name>
        <c:nationality>N/A</c:nationality>
    </rdf:Description>
    <rdf:Description rdf:about="http://d.opencalais.com/pershash-1/31337438-fcbd-3137-9705-ef2f1a752b88">
        <rdf:type rdf:resource="http://s.opencalais.com/1/type/em/e/Person"/>
        <c:name>Joseph Hines</c:name>
        <c:persontype>economic</c:persontype>
        <c:nationality>N/A</c:nationality>
        <c:commonname>Joseph Hines</c:commonname>
    </rdf:Description>
    ...
</rdf:RDF>

So, I have to build html from it. Html consists from entities lists, which have title and items.

Titles are the last word in <rdf:type> node’s attribute.
Expamle:

<rdf:Description rdf:about="http://d.opencalais.com/pershash-1/31337438-fcbd-3137-9705-ef2f1a752b88">
            <rdf:type rdf:resource="http://s.opencalais.com/1/type/em/e/Person"/>
            <c:name>Joseph Hines</c:name>
            <c:persontype>economic</c:persontype>
            <c:nationality>N/A</c:nationality>
            <c:commonname>Joseph Hines</c:commonname>
        </rdf:Description>

This node have to be transformed to

<div class="Block">
    <div class="Header Person">Person</div>
    <div class="Item">Joseph Hines</div> 
</div>

So, I have lots of such blocks, which have Person (or another) Header and Item in <c:name> node.

How can I transform this xml/rdf to html blocks and place all items with same header (e.g. Person) to same block?

It should looks like

<div class="Block">
    <div class="Header Person">Person</div>
    <div class="Item">Joseph Hines</div> 
    <div class="Item">another item</div>
    ...
</div>
<div class="Block">
    <div class="Header Company">Company</div>
    <div class="Item">Zila Inc.</div> 
    <div class="Item">another company item</div>
    ...
</div>
...

Sorry, If the problem isn’t clear. I’ll answer to all questions to help understand my problem.

Thanks in advance.

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1 Answer

Editorial Team · Answer 1 · 2026-05-19T00:25:00+00:00

This XSLT:

<xsl:stylesheet version="1.0"
            xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
            xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
            xmlns:c="http://s.opencalais.com/1/pred/"
            exclude-result-prefixes="rdf c">
<xsl:output method="html" indent="yes"/>
<xsl:strip-space elements="*"/>

<xsl:key name="entityByType" match="rdf:Description" use="substring-after(rdf:type/@rdf:resource, 'type/em/e/')"/>

<xsl:template match="/*">
    <xsl:apply-templates select="key('entityByType', 'Person')[1]"/>
    <xsl:apply-templates select="key('entityByType', 'Company')[1]"/>
</xsl:template>

<xsl:template match="rdf:Description">
    <div class="block">
        <xsl:variable name="entityType" select="substring-after(rdf:type/@rdf:resource, 'type/em/e/')"/>
        <div class="header {$entityType}">
            <xsl:value-of select="$entityType"/>
        </div>
        <xsl:apply-templates select="key('entityByType', $entityType)" mode="inner-content"/>
    </div>
</xsl:template>

<xsl:template match="rdf:Description" mode="inner-content">
    <div class="item">
        <xsl:value-of select="c:name"/>
    </div>
</xsl:template>

</xsl:stylesheet>

Applied to a more descriptive input XML:

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:c="http://s.opencalais.com/1/pred/">
<rdf:Description rdf:about="http://d.opencalais.com/dochash-1/f1a1cace-8df1-3247-b8e2-331a8fa8363d/Instance/2">
    <rdf:type rdf:resource="http://s.opencalais.com/1/type/sys/InstanceInfo"/>
    <c:docId rdf:resource="http://d.opencalais.com/dochash-1/f1a1cace-8df1-3247-b8e2-331a8fa8363d"/>
    <c:subject rdf:resource="http://d.opencalais.com/comphash-1/f69211ed-b366-31a8-9e04-b85c50b8e0a5"/><!--Company: Zila Inc.; -->
    <c:detection>[                PHOENIX, March 28 /PRNewswire/ -- ]Zila, Inc.[ (Nasdaq: ZILA) Chairman and President Joseph]</c:detection>
    <c:prefix>                PHOENIX, March 28 /PRNewswire/ -- </c:prefix>
    <c:exact>Zila, Inc.</c:exact>
    <c:suffix> (Nasdaq: ZILA) Chairman and President Joseph</c:suffix>
    <c:offset>131</c:offset>
    <c:length>10</c:length>
</rdf:Description>
<rdf:Description rdf:about="http://d.opencalais.com/dochash-1/f1a1cace-8df1-3247-b8e2-331a8fa8363d/Instance/3">
    <rdf:type rdf:resource="http://s.opencalais.com/1/type/sys/InstanceInfo"/>
    <c:docId rdf:resource="http://d.opencalais.com/dochash-1/f1a1cace-8df1-3247-b8e2-331a8fa8363d"/>
    <c:subject rdf:resource="http://d.opencalais.com/comphash-1/f69211ed-b366-31a8-9e04-b85c50b8e0a5"/><!--Company: Zila Inc.; -->
    <c:detection>[March 28 /PRNewswire/ -- Zila, Inc. (Nasdaq: ]ZILA[) Chairman and President Joseph Hines announced]</c:detection>
    <c:prefix>March 28 /PRNewswire/ -- Zila, Inc. (Nasdaq: </c:prefix>
    <c:exact>ZILA</c:exact>
    <c:suffix>) Chairman and President Joseph Hines announced</c:suffix>
    <c:offset>151</c:offset>
    <c:length>4</c:length>
</rdf:Description>
<rdf:Description rdf:about="http://d.opencalais.com/comphash-1/f69211ed-b366-31a8-9e04-b85c50b8e0a5">
    <rdf:type rdf:resource="http://s.opencalais.com/1/type/em/e/Company"/>
    <c:name>Zila Inc.1</c:name>
    <c:nationality>N/A</c:nationality>
</rdf:Description>
<rdf:Description rdf:about="http://d.opencalais.com/pershash-1/31337438-fcbd-3137-9705-ef2f1a752b88">
    <rdf:type rdf:resource="http://s.opencalais.com/1/type/em/e/Person"/>
    <c:name>Joseph Hines1</c:name>
    <c:persontype>economic</c:persontype>
    <c:nationality>N/A</c:nationality>
    <c:commonname>Joseph Hines</c:commonname>
</rdf:Description>
<rdf:Description rdf:about="http://d.opencalais.com/comphash-1/f69211ed-b366-31a8-9e04-b85c50b8e0a5">
    <rdf:type rdf:resource="http://s.opencalais.com/1/type/em/e/Company"/>
    <c:name>Zila Inc.2</c:name>
    <c:nationality>N/A</c:nationality>
</rdf:Description>
<rdf:Description rdf:about="http://d.opencalais.com/pershash-1/31337438-fcbd-3137-9705-ef2f1a752b88">
    <rdf:type rdf:resource="http://s.opencalais.com/1/type/em/e/Person"/>
    <c:name>Joseph Hines2</c:name>
    <c:persontype>economic</c:persontype>
    <c:nationality>N/A</c:nationality>
    <c:commonname>Joseph Hines</c:commonname>
</rdf:Description>
<rdf:Description rdf:about="http://d.opencalais.com/comphash-1/f69211ed-b366-31a8-9e04-b85c50b8e0a5">
    <rdf:type rdf:resource="http://s.opencalais.com/1/type/em/e/Company"/>
    <c:name>Zila Inc.3</c:name>
    <c:nationality>N/A</c:nationality>
</rdf:Description>
<rdf:Description rdf:about="http://d.opencalais.com/pershash-1/31337438-fcbd-3137-9705-ef2f1a752b88">
    <rdf:type rdf:resource="http://s.opencalais.com/1/type/em/e/Person"/>
    <c:name>Joseph Hines3</c:name>
    <c:persontype>economic</c:persontype>
    <c:nationality>N/A</c:nationality>
    <c:commonname>Joseph Hines</c:commonname>
</rdf:Description>
</rdf:RDF>

Produces this correct result:

<div class="block">
    <div class="header Person">Person</div>
    <div class="item">Joseph Hines1</div>
    <div class="item">Joseph Hines2</div>
    <div class="item">Joseph Hines3</div>
</div>
<div class="block">
    <div class="header Company">Company</div>
    <div class="item">Zila Inc.1</div>
    <div class="item">Zila Inc.2</div>
    <div class="item">Zila Inc.3</div>
</div>

EDIT:

<xsl:stylesheet version="1.0"
            xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
            xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
            xmlns:c="http://s.opencalais.com/1/pred/"
            exclude-result-prefixes="rdf c">
<xsl:output method="html" indent="yes"/>
<xsl:strip-space elements="*"/>

<xsl:key name="entityByType" match="rdf:Description" use="substring-after(rdf:type/@rdf:resource, 'type/em/e/')"/>

<xsl:template match="/*">
    <xsl:apply-templates select="
    rdf:Description[
    generate-id() = generate-id(key('entityByType', substring-after(rdf:type/@rdf:resource, 'type/em/e/')))
    ]"/>
</xsl:template>

<xsl:template match="rdf:Description">
    <div class="block">
        <xsl:variable name="entityType">
            <xsl:call-template name="substring-after-last">
                <xsl:with-param name="input" select="rdf:type/@rdf:resource"/>
                <xsl:with-param name="substr" select="'/'"/>
            </xsl:call-template>
        </xsl:variable>
        <div class="header {$entityType}">
            <xsl:value-of select="$entityType"/>
        </div>
        <xsl:apply-templates select="key('entityByType', $entityType)" mode="inner-content"/>
    </div>
</xsl:template>

<xsl:template match="rdf:Description" mode="inner-content">
    <div class="item">
        <xsl:value-of select="c:name"/>
    </div>
</xsl:template>

<xsl:template name="substring-after-last">
    <xsl:param name="input"/>
    <xsl:param name="substr"/>
    <xsl:variable name="temp" select="substring-after($input,$substr)"/>
    <xsl:choose>
        <xsl:when test="$substr and contains($temp,$substr)">
            <xsl:call-template name="substring-after-last">
            <xsl:with-param name="input"  select="$temp" />
            <xsl:with-param name="substr" select="$substr" />
            </xsl:call-template>
        </xsl:when>
        <xsl:otherwise>
            <xsl:value-of select="$temp"/>
        </xsl:otherwise>
    </xsl:choose>
</xsl:template>

</xsl:stylesheet>

And the result:

<div class="block">
    <div class="header InstanceInfo">InstanceInfo</div>
</div>
<div class="block">
    <div class="header Company">Company</div>
    <div class="item">Zila Inc.1</div>
    <div class="item">Zila Inc.2</div>
    <div class="item">Zila Inc.3</div>
</div>
<div class="block">
    <div class="header Person">Person</div>
    <div class="item">Joseph Hines1</div>
    <div class="item">Joseph Hines2</div>
    <div class="item">Joseph Hines3</div>
</div>

You can exclude any unnecessary types yourself or provide a criteria for such exclusion.

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I have xml/rdf file which I get from service. So, I need to transform

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