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Main Authors: Shcherbakov, Viktor, Krasnov, Fedor
Format: Preprint
Published: 2024
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Online Access:https://arxiv.org/abs/2406.01233
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author Shcherbakov, Viktor
Krasnov, Fedor
author_facet Shcherbakov, Viktor
Krasnov, Fedor
contents Product search is uniquely different from search for documents, Internet resources or vacancies, therefore it requires the development of specialized search systems. The present work describes the H1 embdedding model, designed for an offline term indexing of product descriptions at e-commerce platforms. The model is compared to other state-of-the-art (SoTA) embedding models within a framework of hybrid product search system that incorporates the advantages of lexical methods for product retrieval and semantic embedding-based methods. We propose an approach to building semantically rich term vocabularies for search indexes. Compared to other production semantic models, H1 paired with the proposed approach stands out due to its ability to process multi-word product terms as one token. As an example, for search queries "new balance shoes", "gloria jeans kids wear" brand entity will be represented as one token - "new balance", "gloria jeans". This results in an increased precision of the system without affecting the recall. The hybrid search system with proposed model scores mAP@12 = 56.1% and R@1k = 86.6% on the WANDS public dataset, beating other SoTA analogues.
format Preprint
id arxiv_https___arxiv_org_abs_2406_01233
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Multi-word Term Embeddings Improve Lexical Product Retrieval
Shcherbakov, Viktor
Krasnov, Fedor
Information Retrieval
Computation and Language
Product search is uniquely different from search for documents, Internet resources or vacancies, therefore it requires the development of specialized search systems. The present work describes the H1 embdedding model, designed for an offline term indexing of product descriptions at e-commerce platforms. The model is compared to other state-of-the-art (SoTA) embedding models within a framework of hybrid product search system that incorporates the advantages of lexical methods for product retrieval and semantic embedding-based methods. We propose an approach to building semantically rich term vocabularies for search indexes. Compared to other production semantic models, H1 paired with the proposed approach stands out due to its ability to process multi-word product terms as one token. As an example, for search queries "new balance shoes", "gloria jeans kids wear" brand entity will be represented as one token - "new balance", "gloria jeans". This results in an increased precision of the system without affecting the recall. The hybrid search system with proposed model scores mAP@12 = 56.1% and R@1k = 86.6% on the WANDS public dataset, beating other SoTA analogues.
title Multi-word Term Embeddings Improve Lexical Product Retrieval
topic Information Retrieval
Computation and Language
url https://arxiv.org/abs/2406.01233