Al 09/21/2013 08:14 PM, En/na Jimmy O'Regan ha escrit: > The tagset specification serves two purposes: to cluster similar tags, > and to mark which of these are open, and which are closed. Without > open classes, the tagger will fail to train, as there is nothing to > assign to unknowns; without closed classes, the tagger is free to > assign them to unknowns. Without clustering, the size of the model > balloons, and data sparseness becomes a greater problem. +1
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