Title	Comparing the Methods of Creating Educational Timetable
Author	Vahideh Sahargahi, Mohammadreza Feizi Drakhshi
Citation	Vol. 16  No. 12  pp. 26-36
Keywords	Educational Timetable, Evolutionary Algorithms, Hard and Soft Limitations

Title	Security Challenges and Limitations in IoT Environments
Author	Suha Ibrahim Al-Sharekh, Khalil H. A. Al-Shqeerat
Citation	Vol. 19  No. 2  pp. 193-199
Keywords	Internet of Things, Security, Challenges, Limitations, Survey.

Title	A Survey on Cloud Storage System Security via Encryption Mechanisms
Author	Wejdan Alsuwat1 and Hatim Alsuwat
Citation	Vol. 22  No. 6  pp. 181-186
Keywords	Cloud Storage, Cloud Security, Cloud Infrastructure, Cloud encryption, Limitations, and Advantages.

Title	Applying Artificial Intelligence Based on Fuzzy Logic for Improved Cognitive Wireless Data Transmission: Models and Techniques
Author	Ahmad AbdulQadir AlRababah
Citation	Vol. 23  No. 12  pp. 13-26
Keywords	wireless network; cognitive wireless network; radio frequency spectrum; operational frequencies; natural limitations of frequency; quality requirements; artificial intelligence; data transmission.