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Guessing Under Source Uncertainty With Side Information

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1 Author(s)
Sundaresan, R. ; Dept. of Electr. Commun. Eng., Indian Inst. of Sci., Bangalore

We study the problem of guessing the realization of a finite alphabet source, when some side information is provided, in a setting where the only knowledge the guesser has about the source and the correlated side information is that the joint source is one among a family. We define a notion of redundancy, identify a quantity that measures this redundancy, and study its properties. We then identify good guessing strategies that minimize the supremum redundancy (over the family). The minimum value measures the richness of the uncertainty class

Published in:

Information Theory, 2006 IEEE International Symposium on

Date of Conference:

9-14 July 2006