Personalized Product Search Ranking: A Multi-Task Learning Approach with Tabular and Non-Tabular Data

• URL: http://arxiv.org/abs/2508.09636v1
• Date: Wed, 13 Aug 2025 09:15:08 GMT
• Title: Personalized Product Search Ranking: A Multi-Task Learning Approach with Tabular and Non-Tabular Data
• Authors: Lalitesh Morishetti, Abhay Kumar, Jonathan Scott, Kaushiki Nag, Gunjan Sharma, Shanu Vashishtha, Rahul Sridhar, Rohit Chatter, Kannan Achan,
• Abstract summary: We present a novel model architecture for optimizing personalized product search ranking using a multi-task learning framework.<n>We propose a scalable relevance labeling mechanism based on click-through rates, click positions, and semantic similarity.<n> Experimental results show that combining non-tabular data with advanced embedding techniques in multi-task learning paradigm significantly enhances model performance.
• Score: 5.361964008135103
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: In this paper, we present a novel model architecture for optimizing personalized product search ranking using a multi-task learning (MTL) framework. Our approach uniquely integrates tabular and non-tabular data, leveraging a pre-trained TinyBERT model for semantic embeddings and a novel sampling technique to capture diverse customer behaviors. We evaluate our model against several baselines, including XGBoost, TabNet, FT-Transformer, DCN-V2, and MMoE, focusing on their ability to handle mixed data types and optimize personalized ranking. Additionally, we propose a scalable relevance labeling mechanism based on click-through rates, click positions, and semantic similarity, offering an alternative to traditional human-annotated labels. Experimental results show that combining non-tabular data with advanced embedding techniques in multi-task learning paradigm significantly enhances model performance. Ablation studies further underscore the benefits of incorporating relevance labels, fine-tuning TinyBERT layers, and TinyBERT query-product embedding interactions. These results demonstrate the effectiveness of our approach in achieving improved personalized product search ranking.

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