ModelRefs / Multi-Document Question Answering — AI Glossary

Multi-Document Question Answering — AI Glossary

A task requiring a model to synthesize information from multiple documents to answer a question, testing cross-document reasoning. Also called multi-doc QA.

Overview

Multi-document QA (HotpotQA, 2WikiMultiHop, MuSiQue) requires identifying relevant passages across documents, resolving coreferences, and synthesizing multi-hop reasoning chains. LLMs with long context can use context stuffing; RAG pipelines retrieve relevant documents. Benchmark for testing retrieval quality and reasoning depth.

Reference details

Topicprompting
Also known asmulti-doc QA
Last reviewed2026-06-24

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Frequently asked questions

What is Multi-Document Question Answering?

A task requiring a model to synthesize information from multiple documents to answer a question, testing cross-document reasoning.

Is Multi-Document Question Answering the same as multi-doc QA?

Yes — multi-doc QA are common aliases for Multi-Document Question Answering.

What concepts are related to Multi-Document Question Answering?

Closely related concepts include needle in haystack, open domain qa, rag.