LLM Agents are specialized components within a multi-agent system that leverage the reasoning and language capabilities of large language models to perform distinct but cooperative roles in complex tasks such as causal discovery. Instead of relying solely on traditional statistical methods and observational data, these agents use semantic cues and external tools to enrich knowledge-driven reasoning.

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Exploring Multi-Modal Data with Tool-Augmented LLM Agents for Precise Causal Discovery

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Causal discovery is an imperative foundation for decision-making across domains, such as smart health, AI for drug discovery and AIOps. Traditional statistical causal discovery methods, while well-established, predominantly rely on observational data and often overlook the semantic cues inherent in cause-and-effect relationships. The advent of Large Language Models (LLMs) has ushered in an affordable way of leveraging the semantic cues for knowledge-driven causal discovery, but the development of LLMs for causal discovery lags behind other areas, particularly in the exploration of multimodal data. To bridge the gap, we introduce MATMCD, a multi-agent system powered by tool-augmented LLMs. MATMCD has two key agents: a Data Augmentation agent that retrieves and processes modality-augmented data, and a Causal Constraint agent that integrates multi-modal data for knowledge-driven reasoning. The proposed design of the inner-workings ensures successful cooperation of the agents. Our empirical study across seven datasets suggests the significant potential of multi-modality enhanced causal discovery

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