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    <abstract>Retrieval-augmented generation supports language models to strengthen their factual groundings by providing external contexts. However, language models often face challenges when given extensive information, diminishing their effectiveness in solving questions. Context compression tackles this issue by filtering out irrelevant information, but current methods still struggle in realistic scenarios where crucial information cannot be captured with a single-step approach. To overcome this limitation, we introduce CompAct, a novel framework that employs an active strategy to condense extensive documents without losing key information. Our experiments demonstrate that CompAct brings significant improvements in both performance and compression rate on multi-hop question-answering benchmarks. CompAct flexibly operates as a cost-efficient plug-in module with various off-the-shelf retrievers or readers, achieving exceptionally high compression rates (47x).</abstract>
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%0 Conference Proceedings
%T CompAct: Compressing Retrieved Documents Actively for Question Answering
%A Yoon, Chanwoong
%A Lee, Taewhoo
%A Hwang, Hyeon
%A Jeong, Minbyul
%A Kang, Jaewoo
%Y Al-Onaizan, Yaser
%Y Bansal, Mohit
%Y Chen, Yun-Nung
%S Proceedings of the 2024 Conference on Empirical Methods in Natural Language Processing
%D 2024
%8 November
%I Association for Computational Linguistics
%C Miami, Florida, USA
%F yoon-etal-2024-compact
%X Retrieval-augmented generation supports language models to strengthen their factual groundings by providing external contexts. However, language models often face challenges when given extensive information, diminishing their effectiveness in solving questions. Context compression tackles this issue by filtering out irrelevant information, but current methods still struggle in realistic scenarios where crucial information cannot be captured with a single-step approach. To overcome this limitation, we introduce CompAct, a novel framework that employs an active strategy to condense extensive documents without losing key information. Our experiments demonstrate that CompAct brings significant improvements in both performance and compression rate on multi-hop question-answering benchmarks. CompAct flexibly operates as a cost-efficient plug-in module with various off-the-shelf retrievers or readers, achieving exceptionally high compression rates (47x).
%R 10.18653/v1/2024.emnlp-main.1194
%U https://aclanthology.org/2024.emnlp-main.1194/
%U https://doi.org/10.18653/v1/2024.emnlp-main.1194
%P 21424-21439

Markdown (Informal)

[CompAct: Compressing Retrieved Documents Actively for Question Answering](https://aclanthology.org/2024.emnlp-main.1194/) (Yoon et al., EMNLP 2024)

• CompAct: Compressing Retrieved Documents Actively for Question Answering (Yoon et al., EMNLP 2024)

ACL

• Chanwoong Yoon, Taewhoo Lee, Hyeon Hwang, Minbyul Jeong, and Jaewoo Kang. 2024. CompAct: Compressing Retrieved Documents Actively for Question Answering. In Proceedings of the 2024 Conference on Empirical Methods in Natural Language Processing, pages 21424–21439, Miami, Florida, USA. Association for Computational Linguistics.