Information distance from a question to an answer

author: Xian Zhang, Tsinghua University
published: Aug. 15, 2007,   recorded: August 2007,   views: 3061

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We provide three key missing pieces of a general theory of information distance [3, 23, 24]. We take bold steps in formulating a revised theory to avoid some pitfalls in practical applications. The new theory is then used to construct a question answering system. Extensive experiments are conducted to justify the new theory.

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