1. Cheng, X., Thaeler, A., Xue, G., & Chen, D. (2004). Tps: A time-based positioning scheme for outdoor sensor networks. In IEEE international conference on computer communications (INFOCOM), HongKong, China (pp. 2685–2696).
2. Ding, M., Chen, D., Xing, K., & Cheng, X. (2005). Localized fault-tolerant event boundary detection in sensor networks. In IEEE international conference on computer communications (INFOCOM), Miami, Florida (pp. 902–913).
3. Garey, M. R., & Johnson, D. S. (1978). Computers and intractability: A guide to the theory of NP-completeness. San Francisco, CA: Freeman.
4. Ghose, A., Grossklags, J., & Chuang, J. (2003). Resilient data-centric storage in wireless ad-hoc sensor networks. In MDM ’03: Proceedings of the 4th international conference on mobile data management (pp. 45–62).
5. Karp, B., & Kung, H. T. (2000). Gpsr: Greedy perimeter stateless routing for wireless networks. In MobiCom ’00: Proceedings of the 6th annual international conference on mobile computing and networking (pp. 243–254).