Abstract / truncated to 115 words (read the full abstract)

Learning parameters from voluminous data can be prohibitive in terms of memory and computational requirements. Furthermore, new challenges arise from modern database architectures, such as the requirements for learning methods to be amenable to streaming, parallel and distributed computing. In this context, an increasingly popular approach is to first compress the database into a representation called a linear sketch, that satisfies all the mentioned requirements, then learn the desired information using only this sketch, which can be significantly faster than using the full data if the sketch is small. In this thesis, we introduce a generic methodology to fit a mixture of probability distributions on the data, using only a sketch of the database. The ... toggle 5 keywords

compressed sensing mixture model random features mean kernel embedding sketching


Keriven, Nicolas
IRISA, Rennes, France
Publication Year
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Oct. 23, 2017

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