News: Summarization and Visualization (CITRIS* i4Science Lecture Series) by Laurent El Ghaoui.
I don’t know that I agree with the point: “Yet we can’t do without news!”
As much noise as is in the news, I think I could read about how it comes out a year later and not have missed much. 
Do watch this lecture as it is very interesting in that it counts and visualizes words in ways you might not expect. Great way to explore text resources.
There is a argument against normalization for search purposes.
For extra credit: How would you test a search engine to see how normalization was affecting its results?
*CITRIS – Center for Information Technology Research in the Interest of Society
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