X. Ning, G. Jiang, H. Chen, and K. Yoshihira, “Heherogeneous log analysis,” NEC Labs America, US Patent 10,14,148B2, 2018.

X. Ning, G. Jiang, and X. Bian, “Hierarchical sparse dictionary learning (hisdl) for heterogeneous high dimensional time series,” NEC Labs America, US Patent 9,870,519, 2018.

Z. Qian, J. Wang, Z. Li, Z. Wu, J. Rhee, X. Ning, and G. Jiang, “Discovering and constraining idle processes,” NEC Labs America, US Patent 9,602,528, March, 2017.

H. Zhang, X. Ning, J. Rhee, G. Jiang, and H. Xu, “System and method for profiling requests in service systems,” NEC Labs America, US Patent 9,367,821, January, 2016.

Y. Qi, X. Ning, P. Kuksa, and B. Bai, “Systems and methods for semi-supervised relationship extraction,” NEC Labs America, US Patent 8,874,432, October, 2013.