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    <abstract>Dependency context-based word embedding jointly learns the representations of word and dependency context, and has been proved effective in aspect term extraction. In this paper, we design the positional dependency-based word embedding (PoD) which considers both dependency context and positional context for aspect term extraction. Specifically, the positional context is modeled via relative position encoding. Besides, we enhance the dependency context by integrating more lexical information (e.g., POS tags) along dependency paths. Experiments on SemEval 2014/2015/2016 datasets show that our approach outperforms other embedding methods in aspect term extraction.</abstract>
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%0 Conference Proceedings
%T PoD: Positional Dependency-Based Word Embedding for Aspect Term Extraction
%A Yin, Yichun
%A Wang, Chenguang
%A Zhang, Ming
%Y Scott, Donia
%Y Bel, Nuria
%Y Zong, Chengqing
%S Proceedings of the 28th International Conference on Computational Linguistics
%D 2020
%8 December
%I International Committee on Computational Linguistics
%C Barcelona, Spain (Online)
%F yin-etal-2020-pod
%X Dependency context-based word embedding jointly learns the representations of word and dependency context, and has been proved effective in aspect term extraction. In this paper, we design the positional dependency-based word embedding (PoD) which considers both dependency context and positional context for aspect term extraction. Specifically, the positional context is modeled via relative position encoding. Besides, we enhance the dependency context by integrating more lexical information (e.g., POS tags) along dependency paths. Experiments on SemEval 2014/2015/2016 datasets show that our approach outperforms other embedding methods in aspect term extraction.
%R 10.18653/v1/2020.coling-main.150
%U https://aclanthology.org/2020.coling-main.150
%U https://doi.org/10.18653/v1/2020.coling-main.150
%P 1714-1719

Markdown (Informal)

[PoD: Positional Dependency-Based Word Embedding for Aspect Term Extraction](https://aclanthology.org/2020.coling-main.150) (Yin et al., COLING 2020)

• PoD: Positional Dependency-Based Word Embedding for Aspect Term Extraction (Yin et al., COLING 2020)

ACL

• Yichun Yin, Chenguang Wang, and Ming Zhang. 2020. PoD: Positional Dependency-Based Word Embedding for Aspect Term Extraction. In Proceedings of the 28th International Conference on Computational Linguistics, pages 1714–1719, Barcelona, Spain (Online). International Committee on Computational Linguistics.