When user switch to view the source document, the event is captured by the ACPBackground. Next, it will alert ACPLogic, and request to change the rank of the source document according to the Ranking Machine Learning algorithm.

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When user switch to view the source document, the event is captured by the ACPBackground. Next, it will alert ACPLogic, and request to change the rank of the source document according to the Ranking Machine Learning algorithm.
