Title	Changes, States, and Events: The Thread from Staticity to Dynamism in the Conceptual Modeling of Systems
Author	Sabah Al-Fedaghi
Citation	Vol. 20  No. 7  pp. 138-151
Keywords	Static changes conceptual model finite state machine requirements modeling static states events behavior specification

Title	IoT Based Pill Reminder and Monitoring System
Author	Sultan Ahmad, Mahamudul Hasan, Gouse Pasha Mohammed, Mohammad Shahabuddin, Tasnia Tabassum and Mustafa Wasif Allvi
Citation	Vol. 20  No. 7  pp. 152-158
Keywords	Reminder system, IoT, Dementia, medicine scheduler, IR sensors.

Title	Clustering Based Sentiment Analysis Using Randomized Clustering Cuckoo Search Algorithm
Author	Samar H. Ahmed, Khalid Tawfik Wassif, Emad Nabil
Citation	Vol. 20  No. 7  pp. 159-166
Keywords	Clustering Cuckoo Search algorithm Textual Sentiment Analysis Levy Flights, Levenshtein distance.

Title	Enhancing Medical Data Security via Combining Elliptic Curve Cryptography and Image Steganography
Author	Eshraq S. Bin Hureib and Prof. Adnan A. Gutub
Citation	Vol. 20  No. 8  pp. 1-8
Keywords	Elliptic curve cryptography, Image Steganography, encryption, hiding, information.