Introduction

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Introduction to XML_RSS

Resource Description Framework (RDF) Site Summary (RSS) documents are XML documents, that provide a lightweight multipurpose extensible metadata description and syndication format. RSS files are often used to syndicate news or headlines from portal sites (e.g. Slashdot or freshmeat.net) or weblogs.

For more information on RSS see the website of the RSS working group (http://tech.groups.yahoo.com/group/rss-dev/files/specification.html).

Example 68-1. RSS file

<?xml version="1.0"?>

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
         xmlns="http://my.netscape.com/rdf/simple/0.9/">

<channel>
 <title>FooBar Inc.</title>
 <link>http://example.com/</link>
 <description>abcd, xyz, 123</description>
</channel>

<image>
 <title>FooBar</title>
 <url>http://example.com/images/rssicon.gif</url>
 <link>http://example.com/</link>
</image>

<item>
 <title>Headline 1</title>
 <link>http://example.com/news.php?h=1</link>
</item>

<item>
 <title>Headline 2</title>
 <link>http://example.com/news.php?h=2</link>
</item>

<textinput>
 <title>Search FooBar Inc.</title>
 <description>Search FooBar Inc. headlines</description>
 <name>q</name>
 <link>http://example.com/search.php</link>
</textinput>

</rdf:RDF>