EPM-RL: Efficient On-Premise Product Mapping for E-Commerce

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EPM-RL: Reinforcement Learning for On-Premise Product Mapping in E-Commerce

In the rapidly evolving world of e-commerce, product mapping has emerged as a fundamental challenge. This task involves determining whether two different listings refer to the same product, which is critical for price monitoring and ensuring channel visibility. One of the main complications arises from sellers who often use promotional keywords, platform-specific tags, and unique bundle descriptions, leading to the same product being listed under multiple names. Recent advancements in large language models (LLMs) and multi-agent frameworks have shown promise in tackling these complexities. However, these solutions typically rely on costly external APIs and intricate orchestration during inference, making them less viable for large-scale deployment, especially in privacy-sensitive environments.

Introducing EPM-RL

To address these challenges, a new framework named EPM-RL has been proposed. This reinforcement-learning-based model aims to create an accurate and efficient on-premise solution for e-commerce product mapping. The core concept of EPM-RL is to distill high-cost agent-based reasoning into a trainable in-house model, reducing dependency on external resources while ensuring privacy and cost-effectiveness.

Methodology

The development of EPM-RL involves several key steps:

  • Curated Dataset: The process begins with a carefully curated set of product pairs, which include LLM-generated rationales and are verified by human annotators.
  • Parameter-Efficient Fine-Tuning (PEFT): Next, a small student model undergoes parameter-efficient fine-tuning using structured reasoning outputs derived from the curated dataset. This step helps in leveraging existing knowledge while minimizing the need for extensive computational resources.
  • Reinforcement Learning Optimization: The model is further refined using reinforcement learning techniques, where an agent-based reward system evaluates compliance with output formats, label correctness, and reasoning-preference scores from specially designed judge models.

Results and Implications

Preliminary results from the implementation of EPM-RL demonstrate a consistent improvement over traditional PEFT-only training methods. Notably, EPM-RL strikes a favorable quality-cost balance when compared to commercial API-based alternatives. This advancement not only facilitates private deployment but also significantly reduces operational costs, making it a compelling choice for enterprise-level applications.

Conclusion

The findings from the EPM-RL framework suggest a transformative potential for product mapping in e-commerce. By harnessing the capabilities of reinforcement learning, it is possible to transition from a high-latency agentic pipeline to a scalable, inspectable, and production-ready in-house system. As e-commerce continues to grow and evolve, innovations like EPM-RL will play a critical role in enhancing product visibility and optimizing pricing strategies, ultimately benefiting both sellers and consumers alike.

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Lazarus Omolua
Lazarus Omoluahttps://richlyai.com/blog
My mission is to make sure that people in Africa are not left behind in the global AI revolution. RichlyAI exists to give everyone — students, founders, creators, and businesses — the tools to compete globally.

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