Mickey W. C. Chong

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While the breath of vocabulary used in long documents may mislead the traditional keyword-based retrieval systems, the demands for techniques in nontextual Web classification and retrieval from a large document collection are mounting. Only a few prototype systems have attempted to classify hypertext on the basis of nontextual elements in order to locate(More)
As unlexicalized parsing lacks word token information, it is important to investigate novel parsing features to improve the accuracy. This paper studies a set of tree topological (TT) features. They quantitatively describe the tree shape dominated by each non-terminal node. The features are useful in capturing linguistic notions such as grammatical weight(More)
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