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	<title>P. S.: Post Scriptum &#187; visualization</title>
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		<title>MathMl: sorry for the mess.</title>
		<link>http://blog.pietrosperoni.it/2005/12/21/mathml-sorry-for-the-mess/</link>
		<comments>http://blog.pietrosperoni.it/2005/12/21/mathml-sorry-for-the-mess/#comments</comments>
		<pubDate>Wed, 21 Dec 2005 17:54:26 +0000</pubDate>
		<dc:creator>Pietro</dc:creator>
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		<category><![CDATA[mathml]]></category>
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		<guid isPermaLink="false">http://blog.pietrosperoni.it/?p=98</guid>
		<description><![CDATA[In those last days the blog has been up and down, on and off, all the time. It was my fault. I was trying to perfection something that was already ok. I was trying to use the mathml plugin. It is a pretty plugin, and provided that you only post math formulas, one formula per [...]


No related posts.]]></description>
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		<title>Tagclouds and cultural changes</title>
		<link>http://blog.pietrosperoni.it/2005/05/28/tagclouds-and-cultural-changes/</link>
		<comments>http://blog.pietrosperoni.it/2005/05/28/tagclouds-and-cultural-changes/#comments</comments>
		<pubDate>Sat, 28 May 2005 19:55:09 +0000</pubDate>
		<dc:creator>Pietro</dc:creator>
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		<category><![CDATA[culture]]></category>
		<category><![CDATA[folksonomy]]></category>
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		<category><![CDATA[tag]]></category>
		<category><![CDATA[tagclouds]]></category>
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		<guid isPermaLink="false">http://blog.pietrosperoni.it/2005/05/28/tagclouds-and-cultural-changes/</guid>
		<description><![CDATA[In the previous post I discussed how we can measure the relative importance of tags in a post, by calculating their weight, as

weight of tag t= (number of people using t)/(total number of people)

I also said that:
Not only we could study a culture by studying the differences in the power law approximated by the tag [...]


Related posts:<ol><li><a href='http://blog.pietrosperoni.it/2009/05/26/how-twitter-google-wolframalpha/' rel='bookmark' title='Permanent Link: How Twitter, Google, Wolfram|Alpha and WIkipedia are not competing at all'>How Twitter, Google, Wolfram|Alpha and WIkipedia are not competing at all</a> <small>It seems to me that Twitter, Google, and Wolfram|Alpha, are really not competing at all, but are instead providing complementary services. I would go farther by adding wikipedia (and blogs?), and suggest that the 4 services really represent the digestive process of our information society. From the first Churning to the Backbone Wolfram|Alpha represents the deeper [...]...</small></li><li><a href='http://blog.pietrosperoni.it/2009/12/17/cop1/' rel='bookmark' title='Permanent Link: COP15 Needs an e-Government System'>COP15 Needs an e-Government System</a> <small>This morning I received a mail from Copenhagen. It was very moving, and describing a situation of chaos, strong commitment, and braveness. It told the story of people fighting with non violence, and shouting that they want change. And I am afraid all this is useless. I feel once again what I felt looking at Iran [...]...</small></li></ol>]]></description>
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		<title>Visualizing the double hierarchical nature of entries.</title>
		<link>http://blog.pietrosperoni.it/2005/04/13/the-double-hierarchical-nature-of-entries/</link>
		<comments>http://blog.pietrosperoni.it/2005/04/13/the-double-hierarchical-nature-of-entries/#comments</comments>
		<pubDate>Wed, 13 Apr 2005 17:04:03 +0000</pubDate>
		<dc:creator>Pietro</dc:creator>
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		<category><![CDATA[hierarchicalstructure]]></category>
		<category><![CDATA[idea]]></category>
		<category><![CDATA[localstructure]]></category>
		<category><![CDATA[Tagsurf]]></category>
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		<category><![CDATA[trackback]]></category>
		<category><![CDATA[treestructure]]></category>
		<category><![CDATA[visualization]]></category>

		<guid isPermaLink="false">http://blog.pietrosperoni.it/2005/04/05/the-double-hierarchical-nature-of-entries/</guid>
		<description><![CDATA[I keep on being hunted by  a nightmare:
Think about a post. You write a post, and this is in answer to some other posts, some other web pages, done by someone else. And your post will often be answered by other people. In a sense no post is an island. Given a post you [...]


Related posts:<ol><li><a href='http://blog.pietrosperoni.it/2009/05/26/how-twitter-google-wolframalpha/' rel='bookmark' title='Permanent Link: How Twitter, Google, Wolfram|Alpha and WIkipedia are not competing at all'>How Twitter, Google, Wolfram|Alpha and WIkipedia are not competing at all</a> <small>It seems to me that Twitter, Google, and Wolfram|Alpha, are really not competing at all, but are instead providing complementary services. I would go farther by adding wikipedia (and blogs?), and suggest that the 4 services really represent the digestive process of our information society. From the first Churning to the Backbone Wolfram|Alpha represents the deeper [...]...</small></li><li><a href='http://blog.pietrosperoni.it/2009/12/17/cop1/' rel='bookmark' title='Permanent Link: COP15 Needs an e-Government System'>COP15 Needs an e-Government System</a> <small>This morning I received a mail from Copenhagen. It was very moving, and describing a situation of chaos, strong commitment, and braveness. It told the story of people fighting with non violence, and shouting that they want change. And I am afraid all this is useless. I feel once again what I felt looking at Iran [...]...</small></li></ol>]]></description>
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