Comparing Sparse and Dense Information Retrieval Methods on a Wikipedia-Derived NLP Dataset. - A. Kairbek; Z. Abildasheva; Iskander Akhmetov; Shakarim Aubakirov; Alymzhan Toleu; A. Krassovitsky; Rustam Mussabayev; Alexander F. Gelbukh (Computación y Sistemas (CyS), 2026)