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README.md

@@ -48,15 +48,9 @@ Muhao Chen, Yingtao Tian, Mohan Yang, Carlo Zaniolo. Multilingual Knowledge Grap
 ## Links
 The following links point to some recent follow-ups of this work.
 
-Sun, Zequn, Wei Hu, and Chengkai Li. [Cross-lingual entity alignment via joint attribute-preserving embedding.](https://iswc2017.semanticweb.org/wp-content/uploads/papers/MainProceedings/188.pdf) International Semantic Web Conference. Springer, Cham, 2017.
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-Zhu, Hao, et al. [Iterative entity alignment via joint knowledge embeddings.](https://www.researchgate.net/profile/Hao_Zhu31/publication/318830326_Iterative_Entity_Alignment_via_Joint_Knowledge_Embeddings/links/598afe10aca27243585a115e/Iterative-Entity-Alignment-via-Joint-Knowledge-Embeddings.pdf), IJCAI, 2017.
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-Yeo, Jinyoung, et al. [Machine-Translated Knowledge Transfer for Commonsense Causal Reasoning.](https://pdfs.semanticscholar.org/d065/0236b8cd7a693691eb479614d31a394b0c9b.pdf) AAAI. 2018.
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-Chen, Muhao, et al. [Co-training Embeddings of Knowledge Graphs and Entity Descriptions for Cross-lingual Entity Alignment.](http://www.ijcai.org/proceedings/2018/0556.pdf), IJCAI, 2018.
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-Sun, Zequn, et al. [Bootstrapping Entity Alignment with Knowledge Graph Embedding.](https://www.ijcai.org/proceedings/2018/0611.pdf) IJCAI. 2018.
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-Otani, Naoki, et al. Cross-lingual Knowledge Projection Using Machine Translation and Target-side Knowledge Base Completion. COLING, 2018
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+Sun, Zequn, Wei Hu, and Chengkai Li. [Cross-lingual entity alignment via joint attribute-preserving embedding.](https://iswc2017.semanticweb.org/wp-content/uploads/papers/MainProceedings/188.pdf) International Semantic Web Conference. Springer, Cham, 2017.  
+Zhu, Hao, et al. [Iterative entity alignment via joint knowledge embeddings.](https://www.researchgate.net/profile/Hao_Zhu31/publication/318830326_Iterative_Entity_Alignment_via_Joint_Knowledge_Embeddings/links/598afe10aca27243585a115e/Iterative-Entity-Alignment-via-Joint-Knowledge-Embeddings.pdf), IJCAI, 2017.  
+Yeo, Jinyoung, et al. [Machine-Translated Knowledge Transfer for Commonsense Causal Reasoning.](https://pdfs.semanticscholar.org/d065/0236b8cd7a693691eb479614d31a394b0c9b.pdf) AAAI. 2018.  
+Chen, Muhao, et al. [Co-training Embeddings of Knowledge Graphs and Entity Descriptions for Cross-lingual Entity Alignment.](http://www.ijcai.org/proceedings/2018/0556.pdf), IJCAI, 2018.  
+Sun, Zequn, et al. [Bootstrapping Entity Alignment with Knowledge Graph Embedding.](https://www.ijcai.org/proceedings/2018/0611.pdf) IJCAI. 2018.  
+Otani, Naoki, et al. Cross-lingual Knowledge Projection Using Machine Translation and Target-side Knowledge Base Completion. COLING, 2018.