A Multi-Granularity Matching Attention Network for Query Intent Classification in E-commerce Retrieval

• URL: http://arxiv.org/abs/2303.15870v1
• Date: Tue, 28 Mar 2023 10:25:17 GMT
• Title: A Multi-Granularity Matching Attention Network for Query Intent Classification in E-commerce Retrieval
• Authors: Chunyuan Yuan, Yiming Qiu, Mingming Li, Haiqing Hu, Songlin Wang, Sulong Xu
• Abstract summary: This paper proposes a Multi-granularity Matching Attention Network (MMAN) for query intent classification. MMAN contains three modules: a self-matching module, a char-level matching module, and a semantic-level matching module. We conduct extensive offline and online A/B experiments, and the results show that the MMAN significantly outperforms the strong baselines.
• Score: 9.034096715927731
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Query intent classification, which aims at assisting customers to find desired products, has become an essential component of the e-commerce search. Existing query intent classification models either design more exquisite models to enhance the representation learning of queries or explore label-graph and multi-task to facilitate models to learn external information. However, these models cannot capture multi-granularity matching features from queries and categories, which makes them hard to mitigate the gap in the expression between informal queries and categories. This paper proposes a Multi-granularity Matching Attention Network (MMAN), which contains three modules: a self-matching module, a char-level matching module, and a semantic-level matching module to comprehensively extract features from the query and a query-category interaction matrix. In this way, the model can eliminate the difference in expression between queries and categories for query intent classification. We conduct extensive offline and online A/B experiments, and the results show that the MMAN significantly outperforms the strong baselines, which shows the superiority and effectiveness of MMAN. MMAN has been deployed in production and brings great commercial value for our company.

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