A Matryoshka Hierarchical RAG for Efficient Multi-Hop Question Answering

By Gianluca Bonifazi, Christopher Buratti, Michele Marchetti, Federica Parlapiano, Giulia Quaglieri, Davide Traini, Domenico Ursino, L. Virgili. 2026

Subfields: Retrieval-Augmented Generation, Question Answering & Reading Comprehension