RAILL: Retrieval-Augmented Instruction Tuning for Low-Resource Language Model Training. - Youngjun Choi 001; Sungjun Lim 002; Minhoi Park; Jaekyeong Jung; Taekyung Kim; Eunsik Kim; Chul-su Kim; Kyongjae Lee; Hosik Choi; Kyungwoo Song (IEEE Big Data, 2025)