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        <title>Glocal: Incorporating Global Information in Local Convolution for Keyphrase Extraction</title>
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        <namePart type="given">Animesh</namePart>
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            <namePart type="given">Jill</namePart>
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    <abstract>Graph Convolutional Networks (GCNs) are a class of spectral clustering techniques that leverage localized convolution filters to perform supervised classification directly on graphical structures. While such methods model nodes’ local pairwise importance, they lack the capability to model global importance relative to other nodes of the graph. This causes such models to miss critical information in tasks where global ranking is a key component for the task, such as in keyphrase extraction. We address this shortcoming by allowing the proper incorporation of global information into the GCN family of models through the use of scaled node weights. In the context of keyphrase extraction, incorporating global random walk scores obtained from TextRank boosts performance significantly. With our proposed method, we achieve state-of-the-art results, bettering a strong baseline by an absolute 2% increase in F1 score.</abstract>
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    <identifier type="doi">10.18653/v1/N19-1182</identifier>
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%0 Conference Proceedings
%T Glocal: Incorporating Global Information in Local Convolution for Keyphrase Extraction
%A Prasad, Animesh
%A Kan, Min-Yen
%Y Burstein, Jill
%Y Doran, Christy
%Y Solorio, Thamar
%S Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, Volume 1 (Long and Short Papers)
%D 2019
%8 June
%I Association for Computational Linguistics
%C Minneapolis, Minnesota
%F prasad-kan-2019-glocal
%X Graph Convolutional Networks (GCNs) are a class of spectral clustering techniques that leverage localized convolution filters to perform supervised classification directly on graphical structures. While such methods model nodes’ local pairwise importance, they lack the capability to model global importance relative to other nodes of the graph. This causes such models to miss critical information in tasks where global ranking is a key component for the task, such as in keyphrase extraction. We address this shortcoming by allowing the proper incorporation of global information into the GCN family of models through the use of scaled node weights. In the context of keyphrase extraction, incorporating global random walk scores obtained from TextRank boosts performance significantly. With our proposed method, we achieve state-of-the-art results, bettering a strong baseline by an absolute 2% increase in F1 score.
%R 10.18653/v1/N19-1182
%U https://aclanthology.org/N19-1182
%U https://doi.org/10.18653/v1/N19-1182
%P 1837-1846

Markdown (Informal)

[Glocal: Incorporating Global Information in Local Convolution for Keyphrase Extraction](https://aclanthology.org/N19-1182) (Prasad & Kan, NAACL 2019)

• Glocal: Incorporating Global Information in Local Convolution for Keyphrase Extraction (Prasad & Kan, NAACL 2019)

ACL

• Animesh Prasad and Min-Yen Kan. 2019. Glocal: Incorporating Global Information in Local Convolution for Keyphrase Extraction. In Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, Volume 1 (Long and Short Papers), pages 1837–1846, Minneapolis, Minnesota. Association for Computational Linguistics.