Title	Audio Zero-Watermarking Based on Discrete Hartley Transform and Non-Negative Matrix Factorization
Author	Pranab Kumar Dhar, Emtiaj Hasan, and Tetsuya Shimamura
Citation	Vol. 17  No. 8  pp. 11-18
Keywords	Copyright protection Discrete Hartley transform Non-negative matrix factorization Zero watermarking

Title	Uncovering Hotel Guests Preferences through Data Mining Techniques
Author	Mostafa Kamalpour , Atae Rezaei Aghdam, Shuxiang Xu, Ehsan Ghasem khani Aryan Baghi
Citation	Vol. 17  No. 8  pp. 1-10
Keywords	Web Mining, Tourism, Data Mining, Hotel.

Title	Evaluation of Hospital Information System Performance from the Perspective of Users in Educational Hospitals
Author	Alireza Emadi, Mobina Ghoochani, Javad Zarei, Ali Mohammadi, Morteza Hemmat, Ali Valinejadi
Citation	Vol. 17  No. 7  pp. 336-340
Keywords	Hospital Information System, HIS, Evaluation

Title	An efficient algorithm for project selection problem: An application on information system management
Author	M. Mirbolouki
Citation	Vol. 17  No. 7  pp. 330-335
Keywords	Data envelopment analysis, common set of weights, goal programming, project selection.