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A branch of mathematics/statistics used to determine the information carrying capacity of a channel, whether one that is used for communication or one that is defined in an abstract sense. Entropy is one of the measures by which information theorists can quantify the uncertainty involved in predicting a random variable.
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Accepted
Jensen-Shannon Divergence for multiple probability distributions?
I found one paper that uses the JS-Divergence of multiple distributions to estimate the hardness of a query (in the area of Information Retrieval). The paper can be found here and they themselves refe …