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HyperProve Uses Answer-Guided Hypergraph Expansion for Multi-Hop QA
A new arXiv paper introduces HyperProve, a method for multi-hop question answering that builds hypergraphs instead of treating retrieved passages as separate matches to the original question. The approach expands the evidence graph using the candidate answer as a guide, so that intermediate entities, relations, and constraints linking facts can be captured. The authors argue this better reflects how the information needed for complex questions is connected.