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Ray Solomonoff (1926-2009)
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Open AccessObituary
Algorithms 2010, 3(3), 260-264;

Ray Solomonoff, Founding Father of Algorithmic Information Theory

CWI, Science Park 123, Amsterdam 1098 XG, The Netherlands
Received: 12 March 2010 / Accepted: 14 March 2010 / Published: 20 July 2010
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Ray J. Solomonoff died on December 7, 2009, in Cambridge, Massachusetts, of complications of a stroke caused by an aneurism in his head. Ray was the first inventor of Algorithmic Information Theory which deals with the shortest effective description length of objects and is commonly designated by the term “Kolmogorov complexity.” In the 1950s Solomonoff was one of the first researchers to treat probabilistic grammars and the associated languages. He treated probabilistic Artificial Intelligence (AI) when “probabilistic” was unfashionable, and treated questions of machine learning early on. But his greatest contribution is the creation of Algorithmic Information Theory. [...] View Full-Text
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Vitanyi, P.M. Ray Solomonoff, Founding Father of Algorithmic Information Theory. Algorithms 2010, 3, 260-264.

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