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    Liu Zhiyuan, Sun Maosong, Lin Yankai, Xie Ruobing. Knowledge Representation Learning: A Review[J]. Journal of Computer Research and Development, 2016, 53(2): 247-261. DOI: 10.7544/issn1000-1239.2016.20160020
    Citation: Liu Zhiyuan, Sun Maosong, Lin Yankai, Xie Ruobing. Knowledge Representation Learning: A Review[J]. Journal of Computer Research and Development, 2016, 53(2): 247-261. DOI: 10.7544/issn1000-1239.2016.20160020

    Knowledge Representation Learning: A Review

    • Knowledge bases are usually represented as networks with entities as nodes and relations as edges. With network representation of knowledge bases, specific algorithms have to be designed to store and utilize knowledge bases, which are usually time consuming and suffer from data sparsity issue. Recently, representation learning, delegated by deep learning, has attracted many attentions in natural language processing, computer vision and speech analysis. Representation learning aims to project the interested objects into a dense, real-valued and low-dimensional semantic space, whereas knowledge representation learning focuses on representation learning of entities and relations in knowledge bases. Representation learning can efficiently measure semantic correlations of entities and relations, alleviate sparsity issues, and significantly improve the performance of knowledge acquisition, fusion and inference. In this paper, we will introduce the recent advances of representation learning, summarize the key challenges and possible solutions, and further give a future outlook on the research and application directions.
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