The Extensible Markup Language (XML) is a general-purpose markup language that supports a wide variety of applications.
<?xml version="1.0" encoding="UTF-8"?> <recipe name="bread" prep_time="5 mins" cook_time="3 hours"> <title>Basic bread</title> <ingredient amount="3" unit="cups">Flour</ingredient> <ingredient amount="0.25" unit="ounce">Yeast</ingredient> <ingredient amount="1.5" unit="cups" state="warm">Water</ingredient> <ingredient amount="1" unit="teaspoon">Salt</ingredient> <instructions> <step>Mix all ingredients together, and knead thoroughly.</step> <step>Cover with a cloth, and leave for one hour in warm room.</step> <step>Knead again, place in a tin, and then bake in the oven.</step> </instructions> </recipe>
Puzzle think think pair solve From what you have learned so far; Think about the structure and content of RSS Think about the publisher – subscriber relationship Pair up with someone next to you Solve the problem of how a subscribers software would determine if the blog had new postings? (hint: think about the XML elements present within an RSS file) You have 2 minutes to complete this activity ?
<rss version="2.0"> <channel> <title>Critical Technology</title> <link>http://criticaltechnology.wordpress.com</link> <description>Another WordPress weblog</description> <pubDate>Fri, 22 Sep 2006 13:23:47 +0000</pubDate> <language>en</language> <item> <title>Hello world!</title> <pubDate>Fri, 22 Sep 2006 13:23:47 +0000 </pubDate> <dc:creator>criticaltechnology</dc:creator> <description>Welcome to Wordpress.com. </description> <content>This is your first post. </content> </item> </channel> </rss>
Internet RSS RSS RSS RSS RSS RSS RSS RSS RSS RSS RSS RSS Blog Reader As a blog reader you can subscribe to many blogs. You can have your blog reading software polling many blogs for new posts. It’s like creating your own magazine.
A news aggregator is a software application or remotely hosted service that collects syndicated content from disparate sources and provides a single consolidated view. These applications can also be commonly referred to as a feed reader, feed aggregator or simply just an aggregator.
Video: RSS in Plain English http://www.youtube.com/watch?v=0klgLsSxGsU
Google Reader http://www.google.com/reader/
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