Textmap
August 24, 2007
Textmap is an experimental "entity search engine" with some nifty data visualization features for putting news stories in context.
In addition to the kinds of things you might expect - like topic maps, and graphs showing the frequency of stories over time - they also have a couple of features I've never seen before:
-
Sentiment analysis index
Measures positive/negative sentiments about a topic over time -
Entity juxtapositions
Measures the strength and frequency of associations between related articles along different time axes
(via information aesthetics)
File under: Informatics
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