BiSplit-DistilBERT: A Lightweight Early-Exit Transformer for Fake News Detection With Cross-Domain Evaluation on BoolQ Question-Answering Data Benchmarked Against BERT, RoBERTa, and DeBERTa. JSIR 2026, 85 (4), 325-340. https://doi.org/10.56042/jsir.v85i4.22599.