Red Dragon AI at TextGraphs 2020 Shared Task : LIT : LSTM-Interleaved Transformer for Multi-Hop Explanation Ranking

Red Dragon AI at TextGraphs 2020 Shared Task : LIT : LSTM-Interleaved Transformer for Multi-Hop Explanation Ranking
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红龙 AI 在 TextGraphs 2020 共享任务:LIT:LSTM-Interleaved Transformer for Multi-Hop Explanation Ranking

DOI:
10.18653/v1/2020.textgraphs-1.14
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发表时间:
2020
期刊:
ArXiv
影响因子:
--
通讯作者:
Martin Andrews
Martin Andrews
中科院分区:
--
文献类型:
--
作者:
Yew Ken Chia;Sam Witteveen;Martin Andrews

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科学问题的可解释问题回答是一项具有挑战性的任务,它需要对大量事实句进行多跳推理。为了克服隔离查看每个查询文档对的方法的局限性,我们提出了LSTM-Interleaved Transformer,它结合了跨文档交互以提高多跳排序。LIT架构可以在重新排名设置中利用先前的排名位置。我们的模型在TextGraphs 2020共享任务的当前排行榜上具有竞争力,实现了0.5607的测试集MAP,如果我们在竞赛截止日期之前提交,将获得第三名。我们的代码实现可以在[https://github.com/mdda/worldtree_corpus/tree/textgraphs_2020](https://github.com/mdda/worldtree_corpus/tree/textgraphs_2020]上获得。
Explainable question answering for science questions is a challenging task that requires multi-hop inference over a large set of fact sentences. To counter the limitations of methods that view each query-document pair in isolation, we propose the LSTM-Interleaved Transformer which incorporates cross-document interactions for improved multi-hop ranking. The LIT architecture can leverage prior ranking positions in the re-ranking setting. Our model is competitive on the current leaderboard for the TextGraphs 2020 shared task, achieving a test-set MAP of 0.5607, and would have gained third place had we submitted before the competition deadline. Our code implementation is made available at [https://github.com/mdda/worldtree_corpus/tree/textgraphs_2020](https://github.com/mdda/worldtree_corpus/tree/textgraphs_2020).
DOI: 10.18653/v1/2020.textgraphs-1.10
发表时间: 2020
期刊: Proceedings of the Graph-based Methods for Natural Language Processing (TextGraphs
影响因子: --
作者:
Jansen, Peter;Ustalov, Dmitry
通讯作者: Ustalov, Dmitry