Detalhes do Documento

Enhancing product categorization with LLMs: fine-tuning decoder-only language models for hierarchical e-commerce product classification: a causal language modeling approach

Autor(es): Białczyk, Kuba Maciej

Data: 2025

Identificador Persistente: http://hdl.handle.net/10362/202068

Origem: Repositório Institucional da UNL

Assunto(s): Large language models; Hierarchical classification; E-Commerce; In-context learning; Fine tuning; Prompt engineering; Knowledge graphs; Retrieval augmented generation; Entity matching


Descrição

This research explored techniques to improve Large Language Models performance for Hierarchical Product Classification (HPC), including optimized fine-tuning, optimal prompting techniques, taxonomy-specific Knowledge Graphs, leveraging Retrieval-Augmented Generation, and implementing LLM-based Entity Matching. Tested on benchmark datasets Icecat and WDC-222, these methods significantly enhanced LLMs’ ability to solve HPC tasks across var ious scenarios. Results achieved a hierarchical F1-score (hF) of 0.921, surpassing traditional DL benchmarks (0.85 hF). While not outperforming proprietary models like GPT, the proposed approaches offer a cost-efficient and effective alternative for businesses, demonstrating strong performance without reliance on expensive LLM solutions.

Tipo de Documento Dissertação de mestrado
Idioma Inglês
Contribuidor(es) RUN; Han, Qiwei
Licença CC
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