Title	SCR: a Smart Cross Road Management System Based on IoT
Author	Salem Nasri, Mohamed Tahar Ben Othman
Citation	Vol. 19  No. 4  pp. 1-9
Keywords	Traffic Light Automation, Road Management, IoT, Smart City.

Title	Apply clustering to analyze categorical data in longitudinal studies
Author	Mohammad Mahdi Hassan, Martin Blom, Gufran Ahmad Ansari
Citation	Vol. 19  No. 4  pp. 10-19
Keywords	Empirical Survey, Longitudinal Study, Clustering, Partitioning, Grouping, Data Mining, Expert Opinion, Diversity.

Title	Digital color image steganography for nonspecific format and secured based on Clustering
Author	Mohamed Tahar Ben Othman, Arshiya Sajid Ansari, Mohammad Sajid Mohammadi
Citation	Vol. 19  No. 4  pp. 20-27
Keywords	Steganography, Distribution Rate, Color Images, Content Addressable Method. Cluster Dispersal Rate

Title	A New Approach for Securing Medical Images and Patient’s Information by Using A hybrid System
Author	Jamal N. Bani Salameh
Citation	Vol. 19  No. 4  pp. 28-39
Keywords	Medical image, Patient’s information, Data hiding, Telemedicine, Cryptography, Steganography.