1. Peng, Y., Yang, F.: Overview of battlefield situation cognition. Mil. Autom. 40(7), 24–27+66 (2021)
2. Zhu, F., Hu, X., Wu, L., et al.: From situational cognition to situational intelligence cognition. J. Syst. Simul. 30(3), 761–771 (2018)
3. Su, Q., Chen, X., Luo, Y.: Access control model of multi-source heterogeneous data in the big data environment. J. Netw. Inf. Secur. 5(1), 78–86 (2019)
4. Lin, W., Song, H., Nan, X., et al.: A multi-source heterogeneous sensor data fusion method based on optimal clustering centers and weighted Euclidean distances. J. Sens. Technol. 35(1), 49–56 (2022)
5. Jian, S., Lu, K.: Overview of feature learning of complex heterogeneous data. Comput. Sci. 47(02), 1–9 (2020)