![]() ![]() The system should also provide the ability for convenient automatic registration approvals and password-less authentication by exploiting context information.įigure 1. In its basic form, a new user’s registration should be approved by a teacher and the login procedure should be based on the typical username/password combination. ![]() For each category a general description is given followed by the use case diagram and their specification.Īs we need the system to be safe from unauthorized access, the system should employ an advanced authentication/registration mechanism as shown in Figure 1. In the current article, we continue the analysis of the system by providing an initial set of UML use cases and sequence diagrams for the core functionality of the proposed system, divided into four broad categories. We presented the system’s architecture and the different user roles involved in the system along with the basic functionality for each of these roles. In our previous article we presented a high level definition for a mobile based system for foreign language learning.
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