Construction of semantic bootstrapping models for relation extraction
Construction of semantic bootstrapping models for relation extraction
复制标题
用于关系提取的语义引导模型的构建
DOI:
10.1016/j.knosys.2015.03.017
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发表时间:
2015-07
影响因子:
8.8
通讯作者:
Jun Guo
中科院分区:
文献类型:
--
作者:
Chunyun Zhang;Weiran Xu;Zhanyu Ma;Sheng Gao;Qun Li;Jun Guo
Traditionally, pattern-based relation extraction methods are usually based on iterative bootstrapping model which generally implies semantic drift or low recall problem. In this paper, we present a novel semantic bootstrapping framework that uses semantic information of patterns and flexible match method to address such problem. We introduce formalization for this class of bootstrapping models, which allows semantic constraint to guide learning iterations and use flexible bottom-up kernel to compare patterns. To obtain the insights of reliability and applicability of our framework, we applied it to the English Slot Filling (ESF) task of Knowledge Based Population (KBP) at Text Analysis Conference (TAC). Experimental results show that our framework obtains performance superior to the state of the art.
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DOI:
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发表时间:
2010
期刊:
--
影响因子:
--
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DOI:
--
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2006-07
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通讯作者:
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影响因子:
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