Jalal Abdollahi

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One of the most applied learning in virtual spaces is using E-Learning systems. Some E-Learning methodologies has been introduced, but the main subject is the most positive feedback from E-Learning systems. In this paper, we introduce a new methodology of E-Learning systems entitle “ Network Learning” with review of another aspects of E-Learning systems.(More)
Nowadays, using cryptographic systems play an effective role in security and safety technologies. One of the most applied kind of cryptography is Symmetric Cryptography and its applications. New aspects of symmetric Cryptography methodologies and applications has been presented by this paper. Security-based networks and some complex technologies such as(More)
learning; E-learning plug-in; CLEV-R systems Abstract— E-learning with using multimedia and graphical interfaces is now fashionable in some virtual learning environments. Especially, in open colleges, universities and Elearning databases, using these interfaces can improve quality of educating by increasing attraction of educational subjects. In this paper,(More)
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