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Semantic relation extraction is an important part of information extraction, it has application value in the automatic question answering system, retrieval system, ontology learning, semantic web annotation, and many other areas. Pattern representation method is context pattern in previous semi-Supervised semantic relation extraction based on bootstrapping,(More)
With the rapid development of information technology, causing the rise of the knowledge economy era, then the concepts of knowledge management emerged. Large amounts of data and large numbers of achievements are accumulated during a long time of production process which results in an urgent need for effective knowledge management system in enterprises(More)
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