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Automatic keyword extraction is the task to identify a small set of keywords from a given document that can describe the meaning of the document. It plays an important role in information retrieval. In this paper, a clustering-based approach to do this task is proposed. And the impacts of keyword length, the window size of centroid on the performance of AKE system are discussed. Then by introducing...
This paper proposes a new scheme to determine the tree span structure for tree kernel-based anaphoricity determination in coreference resolution. Given a sentence and current mention, it gets all the dependencies, encodes the order of all the words, constructs the corresponding dependency tree and keeps the nodes and the paths related with current mention based on constituent dependencies, while removing...
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