Barrier coverage detection and formation.

• [WCNC 2020] “Exact algorithms for barrier coverage with line-based deployed rotatable directional sensors”, Zijing Ma, Shuangjuan Li, Dong Huang
  
• [Computer Science and Information Systems 2020] “Energy-efficient non-linear k-barrier coverage in mobile sensor network”, Zijing Ma, Shuangjuan Li, Longkun Guo, Guohua Wang