Title	Audio Watermarking by Hybridization of DWT-DCT
Author	Ghulam Ali, Muhammad Tahir Mumtaz, Inam Ul Haq, Zia Ul Rehman, Nazir Ahmad, Zunaira Saleem, Sohail Iqbal, Khurshid Asghar, Muhammad Tayyab Mumtaz
Citation	Vol. 17  No. 8  pp. 19-27
Keywords	Audio watermarking, Discrete Wavelet Transform, Discrete Cosine Transform, Human Auditory System, Human Visual System, Adding White Gaussian Noise.

Title	Chaotic Activity Filtering Approach of Business Process Based on The Directly-Follows Relation
Author	Tengzi Lv, Xiugang Gong, Muhammad Tahir, Na Gong, Kaiyu Li
Citation	Vol. 25  No. 2  pp. 169-187
Keywords	process mining; chaotic activities; process model; directly-follows relation; event log.