Add 'SpanBERT' for Coreference Resolution (#423)

Author: artpli

english/coreference_resolution.md

@@ -23,15 +23,17 @@ CoNLL-2012 evaluation scripts. The main evaluation metric is the average F1 of t
 
 | Model           | Avg F1 |  Paper / Source | Code |
 | ------------- | :-----:| --- | --- |
-| Joshi et al. (2019)<sup>[1](#myfootnote1)</sup> | 76.9 | [BERT for Coreference Resolution: Baselines and Analysis](https://arxiv.org/abs/1908.09091) | [Official](https://github.com/mandarjoshi90/coref) |
+| Joshi et al. (2019)<sup>[1](#myfootnote1)</sup> | 79.6 | [SpanBERT: Improving Pre-training by Representing and Predicting Spans](https://arxiv.org/pdf/1907.10529) |[Official](https://github.com/facebookresearch/SpanBERT) |
+| Joshi et al. (2019)<sup>[2](#myfootnote2)</sup> | 76.9 | [BERT for Coreference Resolution: Baselines and Analysis](https://arxiv.org/abs/1908.09091) | [Official](https://github.com/mandarjoshi90/coref) |
 | Kantor and Globerson (2019) | 76.6 | [Coreference Resolution with Entity Equalization](https://www.aclweb.org/anthology/P19-1066/) | [Official](https://github.com/kkjawz/coref-ee) |
 | Fei et al. (2019) | 73.8 | [End-to-end Deep Reinforcement Learning Based Coreference Resolution](https://www.aclweb.org/anthology/P19-1064/) | |
 | (Lee et al., 2017)+ELMo (Peters et al., 2018)+coarse-to-fine & second-order inference (Lee et al., 2018) | 73.0 | [Higher-order Coreference Resolution with Coarse-to-fine Inference](http://aclweb.org/anthology/N18-2108) | [Official](https://github.com/kentonl/e2e-coref) |
 | (Lee et al., 2017)+ELMo (Peters et al., 2018) | 70.4 | [Deep contextualized word representations](https://arxiv.org/abs/1802.05365) | |
 | Lee et al. (2017) | 67.2 | [End-to-end Neural Coreference Resolution](https://arxiv.org/abs/1707.07045) | |
 
+<a name="myfootnote1">[1]</a> Joshi et al. (2019): (Lee et al., 2017)+coarse-to-fine & second-order inference (Lee et al., 2018)+SpanBERT (Joshi et al., 2019)
 
-<a name="myfootnote1">[1]</a> Joshi et al. (2019): (Lee et al., 2017)+coarse-to-fine & second-order inference (Lee et al., 2018)+BERT (Devlin et al., 2019)
+<a name="myfootnote2">[2]</a> Joshi et al. (2019): (Lee et al., 2017)+coarse-to-fine & second-order inference (Lee et al., 2018)+BERT (Devlin et al., 2019)
 
 ### Gendered Ambiguous Pronoun Resolution