1. Zhiming D, Guo L, Li X, et al (2008) Data model and continuous query processing of location dependent data based on object-relational database model. J Comput Res Dev 45(Suppl.):88–94 (in Chinese)
2. Qiao SJ, Han N, Wang C, Zhu F, Tang CJ (2014) A two-tiered dynamic index structure of moving objects based on constrained networks. Chin J Comput (9)
3. Donald K (1973) The art of computer programming, vol 3. Addison-Wesley Professional, Indianapolis
4. Roussopoulos N, Kelley S, Vincent F (1995) Nearest neighbor queries. In: ACM sigmod record, 24(2):71–79.
https://doi.org/10.1145/223784.223794
5. Zhu H, Yang X, Wang B, et al (2016) Range-based obstructed nearest neighbor queries. In: Proceedings of the SIGMOD, pp 2053–2068.
https://doi.org/10.1145/2882903.2915234