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        <title>Relevance-assisted Generation for Robust Zero-shot Retrieval</title>
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            <title>Proceedings of the 2023 Conference on Empirical Methods in Natural Language Processing: Industry Track</title>
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    <abstract>Zero-shot retrieval tasks such as the BEIR benchmark reveal out-of-domain generalization as a key weakness of high-performance dense retrievers. As a solution, domain adaptation for dense retrievers has been actively studied. A notable approach is synthesizing domain-specific data, by generating pseudo queries (PQ), for fine-tuning with domain-specific relevance between PQ and documents. Our contribution is showing that key biases can cause sampled PQ to be irrelevant, negatively contributing to generalization. We propose to preempt their generation, by dividing the generation into simpler subtasks, of generating relevance explanations and guiding the generation to avoid negative generalization. Experiment results show that our proposed approach is more robust to domain shifts, validated on challenging BEIR zero-shot retrieval tasks.</abstract>
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%0 Conference Proceedings
%T Relevance-assisted Generation for Robust Zero-shot Retrieval
%A Kim, Jihyuk
%A Kim, Minsoo
%A Park, Joonsuk
%A Hwang, Seung-won
%Y Wang, Mingxuan
%Y Zitouni, Imed
%S Proceedings of the 2023 Conference on Empirical Methods in Natural Language Processing: Industry Track
%D 2023
%8 December
%I Association for Computational Linguistics
%C Singapore
%F kim-etal-2023-relevance
%X Zero-shot retrieval tasks such as the BEIR benchmark reveal out-of-domain generalization as a key weakness of high-performance dense retrievers. As a solution, domain adaptation for dense retrievers has been actively studied. A notable approach is synthesizing domain-specific data, by generating pseudo queries (PQ), for fine-tuning with domain-specific relevance between PQ and documents. Our contribution is showing that key biases can cause sampled PQ to be irrelevant, negatively contributing to generalization. We propose to preempt their generation, by dividing the generation into simpler subtasks, of generating relevance explanations and guiding the generation to avoid negative generalization. Experiment results show that our proposed approach is more robust to domain shifts, validated on challenging BEIR zero-shot retrieval tasks.
%R 10.18653/v1/2023.emnlp-industry.67
%U https://aclanthology.org/2023.emnlp-industry.67/
%U https://doi.org/10.18653/v1/2023.emnlp-industry.67
%P 723-731

Markdown (Informal)

[Relevance-assisted Generation for Robust Zero-shot Retrieval](https://aclanthology.org/2023.emnlp-industry.67/) (Kim et al., EMNLP 2023)

• Relevance-assisted Generation for Robust Zero-shot Retrieval (Kim et al., EMNLP 2023)

ACL

• Jihyuk Kim, Minsoo Kim, Joonsuk Park, and Seung-won Hwang. 2023. Relevance-assisted Generation for Robust Zero-shot Retrieval. In Proceedings of the 2023 Conference on Empirical Methods in Natural Language Processing: Industry Track, pages 723–731, Singapore. Association for Computational Linguistics.