JointMap: Joint Query Intent Understanding For Modeling Intent Hierarchies in E-commerce Search
Ali Ahmadvand, Surya Kallumadi, Faizan Javed, Eugene, Agichtein

TL;DR
This paper introduces JointMap, a deep learning model that simultaneously predicts commercial versus non-commercial user intent and associates product categories, improving query understanding in e-commerce search with a novel joint-learning approach and high-quality data generation.
Contribution
JointMap is a novel deep learning model that jointly learns intent classification and product category mapping, leveraging transfer bias and a new data labeling strategy for improved accuracy.
Findings
JointMap improves intent prediction accuracy by 2.3%.
JointMap enhances product category mapping by 10%.
The approach effectively models intent hierarchies in e-commerce search.
Abstract
An accurate understanding of a user's query intent can help improve the performance of downstream tasks such as query scoping and ranking. In the e-commerce domain, recent work in query understanding focuses on the query to product-category mapping. But, a small yet significant percentage of queries (in our website 1.5% or 33M queries in 2019) have non-commercial intent associated with them. These intents are usually associated with non-commercial information seeking needs such as discounts, store hours, installation guides, etc. In this paper, we introduce Joint Query Intent Understanding (JointMap), a deep learning model to simultaneously learn two different high-level user intent tasks: 1) identifying a query's commercial vs. non-commercial intent, and 2) associating a set of relevant product categories in taxonomy to a product query. JointMap model works by leveraging the transfer…
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