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๐Ÿš€ [2020] Concept Pointer Network for Abstractive Summarization #9

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JudePark96 opened this issue Aug 6, 2020 · 1 comment

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@JudePark96
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๋…ผ๋ฌธ Concept Pointer Network for Abstractive Summarization
์ €์ž Wenbo Wang, Yang Gao, Heyan Huang, Yuxiang Zhou
๋งํฌ https://www.aclweb.org/anthology/D19-1304/
ํ•™ํšŒ EMNLP

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1. ์ดˆ๋ก์€ ๋ญ๋ผ๊ณ  ๋งํ•˜๊ณ  ์žˆ์–ด ?

2. ์ฃผ์š” ๊ธฐ์—ฌ์ ์€ ๋ญ์•ผ ?

3. ์ด์ „์˜ ์ ‘๊ทผ๊ณผ๋Š” ๋ญ๊ฐ€ ๋‹ค๋ฅธ ๊ฒƒ ๊ฐ™์•„ ?

4. ์–ด๋–ค ๊ฑธ ์ œ์•ˆํ•  ์ˆ˜ ์žˆ์„๊นŒ ?

5. ๋‹ค์Œ ๋…ผ๋ฌธ์€ ๋ฌด์—‡์„ ์ฝ์–ด์•ผํ• ๊นŒ ?

@JudePark96
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์ดˆ๋ก์€ ๋ญ๋ผ๊ณ  ๋งํ•˜๊ณ  ์žˆ์–ด ?

Quality abstractive summary ๋Š” source text ๋ฅผ ์š”์•ฝ์œผ๋กœ์„œ ๋ณต์‚ฌํ•  ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ concrete details ๋ฅผ ํ‘œํ˜„ํ•˜๊ธฐ ์œ„ํ•œ ์ƒˆ๋กœ์šด conceptual words ๋ฅผ ์ƒ์„ฑํ•˜๋Š” ๊ฒฝํ–ฅ์ด ์กด์žฌํ•ด์•ผํ•œ๋‹ค.

Pointer-Generator Sequence-to-Sequence ๋ชจ๋ธ๋กœ๋ถ€ํ„ฐ ์˜๊ฐ์„ ๋ฐ›์•„ ์ด ๋…ผ๋ฌธ์€ ์ด๋Ÿฌํ•œ abstractive summarization ์˜ ์ธก๋ฉด์„ ํ–ฅ์ƒ์‹œํ‚ค๊ธฐ ์œ„ํ•œ Concep Pointer Network ๋ฅผ ์ œ์•ˆํ•œ๋‹ค.

์ด ์‹ ๊ฒฝ๋ง์€ knowledge-based, context-aware conceptualization ๊ธฐ๋ฐ˜์œผ๋กœ candidate concepts ๋ฅผ ๋„์ถœํ•œ๋‹ค. ๊ทธ๋ฆฌ๊ณ  ์‹ ๊ฒฝ๋ง์€ concept set ๊ณผ original source text ๋ฅผ ๋ชจ๋‘ ์‚ฌ์šฉํ•˜์—ฌ ๊ฐ€์žฅ ์ ์ ˆํ•œ ์„ ํƒ์„ ํ•˜๋„๋ก ํ•œ๋‹ค. ์ด joint-approach ๋Š” higher-level semantic concepts ์˜ abstractive summaries ๋ฅผ ์ƒ์„ฑํ•œ๋‹ค.

์‹ ๊ฒฝ๋ง์€ distance-supervised learning ์„ ๊ธฐ๋ฐ˜์œผ๋กœํ•œ ์„œ๋กœ ๋‹ค๋ฅธ ๋ฐ์ดํ„ฐ ์ง‘ํ•ฉ์„ ํ†ตํ•˜์—ฌ ์ตœ์ ํ™”ํ•œ๋‹ค.

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