MADIAVE: Multi-Agent Debate for Implicit Attribute Value Extraction

AbstractImplicit Attribute Value Extraction (AVE) is essential for accurately representing products in e-commerce, as it infers lantent attributes from multimodal data. Despite advances in multimodal large language models (MLLMs), implicit AVE remains challenging due to the complexity of multidimensional data and gaps in vision-text understanding. In this work, we introduce MADIAVE, a multi-agent de- bate framework that employs multiple MLLM agents to iteratively refine inferences. Through a series of debate rounds, agents verify and up- date each other’s responses, thereby improving inference performance and robustness. Experi- ments on the ImplicitAVE dataset demonstrate that even a few rounds of debate significantly boost accuracy, especially for attributes with initially low performance. We systematically evaluate various debate configurations, includ- ing identical or different MLLM agents, and analyze how debate rounds affect convergence dynamics. Our findings highlight the poten- tial of multi-agent debate strategies to address the limitations of single-agent approaches and offer a scalable solution for implicit AVE in multimodal e-commerce.