Differentiable Retrieval Augmentation via Generative Language Modeling for E-commerce Query Intent Classification

• URL: http://arxiv.org/abs/2308.09308v3
• Date: Fri, 15 Sep 2023 09:27:20 GMT
• Title: Differentiable Retrieval Augmentation via Generative Language Modeling for E-commerce Query Intent Classification
• Authors: Chenyu Zhao, Yunjiang Jiang, Yiming Qiu, Han Zhang, Wen-Yun Yang
• Abstract summary: We propose Differentiable Retrieval Augmentation via Generative lANguage modeling(Dragan) to address this problem by a novel differentiable reformulation. We demonstrate the effectiveness of our proposed method on a challenging NLP task in e-commerce search, namely query intent classification.
• Score: 8.59563091603226
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: Retrieval augmentation, which enhances downstream models by a knowledge retriever and an external corpus instead of by merely increasing the number of model parameters, has been successfully applied to many natural language processing (NLP) tasks such as text classification, question answering and so on. However, existing methods that separately or asynchronously train the retriever and downstream model mainly due to the non-differentiability between the two parts, usually lead to degraded performance compared to end-to-end joint training. In this paper, we propose Differentiable Retrieval Augmentation via Generative lANguage modeling(Dragan), to address this problem by a novel differentiable reformulation. We demonstrate the effectiveness of our proposed method on a challenging NLP task in e-commerce search, namely query intent classification. Both the experimental results and ablation study show that the proposed method significantly and reasonably improves the state-of-the-art baselines on both offline evaluation and online A/B test.

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