Rating algorithm for android/mysql

Im a dummy in android development and currently creating an android application and trying to implement a rating system, allowing a user to submit a review and be rated by other users. I would like to know how the who开发者_运维知识库le process is going to be like and what algorithm will be needed.

A guidance will be greatly apperciated and thanks in advance.

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If you are open to other websites that creates rating systems I am sure there are tons that you can find online

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This example shows a voting algorithm for Google App Engine (a possible server platform for your Android app).