Naveen Kumar Siripuram, Manish Tomar, Amsa Selvaraj. Multi-Hop Reasoning Enhancement in Retrieval-Augmented Generation using Hierarchical Graph Neural Networks. American J Data Sci Artif Intell Innov [Internet]. 2021 Apr. 28 [cited 2026 Mar. 7];1:350-83. Available from: https://ajdsai.org/index.php/publication/article/view/48