Dynamic Multi-Agent Orchestration and Retrieval for Multi-Source Question-Answer Systems

Dynamic Multi-Agent Orchestration and Retrieval for Multi-Source Question-Answer Systems using Large Language Models
Antony Seabra,Claudio Cavalcante (BNDES, Brazil and PUC-Rio, Brazil), Joao Nepomuceno, Lucas Lago, Nicolaas Ruberg (BNDES, Brazil) and Sergio Lifschitz (PUC-Rio, Brazil)
Abstract
We propose a methodology that combines several advanced techniques in Large Language Model (LLM) retrieval to support the development of robust, multi-source questionanswer systems. This methodology is designed to integrate information from diverse data sources, including unstructured documents (PDFs) and structured databases, through a coordinated multi-agent orchestration and dynamic retrieval approach. Our methodology leverages specialized agents-such as SQL agents, Retrieval-Augmented Generation (RAG) agents, and router agents-that dynamically select the most appropriate retrieval strategy based on the nature of each query. To further improve accuracy and contextual relevance, we employ dynamic prompt engineering, which adapts in real time to query-specific contexts. The methodology’s effectiveness is demonstrated within the domain of Contract Management, where complex queries often require seamless interaction between unstructured and structured data. Our results indicate that this approach enhances response accuracy and relevance, offering a versatile and scalable framework for developing question-answer systems that can operate across various domains and data sources.
Keywords
Information Retrieval, Question Answer, Large Language Models, Documents, Databases, Prompt Engineering, Retrieval Augmented Generation, Text-to-SQL
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