RIKA's detailed features

As i have mentioned before RIKA is a community based portal. This portal acts similiar to forum-like system. Following are the detailed feature of the system.

1. Users registered in the system are being given points for the question that they answered.
2. All questions that have been answered by the user will be kept by the system in a user's history.
3. The system maintains several categories and sub-categories. e.g. category IT has 2 sub-categories (Programming, System Analysis) and so on.
4. There are several levels for users. The level depends on the user points that he got by answering questions.
5. The system has mail notification system, users that asked a question and answered a question are automatically subscribe the mail notification system. So if a question is answered, the system will notify the user that asked the question by email.
6. The system also has a question monitoring system. This monitoring system acts like an administrator in forum based portal.
7. Flow :

1. User A register to the system
2. User A browse for a category
3. User asks a question in that category
4. User gives points for the question to be answered
5. Another user (user B) try to answer the question that user A asked
6. User B posted the answer
7. User A choose the best answer (which is user B's answer)
8. Points are transfered from user A's account to user B's account
9. User A that gives a grade for the user B's answer, e.g. A, B, C, or D