Yuanchen Li Lin Guan Ziyang Zhang George Vogiatzis DPNVC: A novel density-based probability VANET caching framework built upon the NDN. 103218 2026 146 Simul. Model. Pract. Theory https://doi.org/10.1016/j.simpat.2025.103218 db/journals/simpra/simpra146.html#LiGZV26 streams/journals/simpra