AUTHOR=Jin Lizhong , Fan Rulong , Han Xiaoling , Cui Xueying TITLE=IGSA-SAC: a novel approach for intrusion detection using improved gravitational search algorithm and soft actor-critic JOURNAL=Frontiers in Computer Science VOLUME=7 YEAR=2025 URL=https://www.frontiersin.org/journals/computer-science/articles/10.3389/fcomp.2025.1574211 DOI=10.3389/fcomp.2025.1574211 ISSN=2624-9898