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1. A method for controlling content in a content identifying system, comprising:
receiving, by a network entity, content related information regarding a content from a mobile terminal; generating, by the network entity, function information for calculating a content ID according to content file type information included in the content related information, wherein different function information is used by the mobile terminal to calculate a content ID for each different content file type; transmitting, by the network entity, the function information to the mobile terminal; receiving, by the network entity, a content ID generated based on the function information from the mobile terminal; comparing, by the network entity, the received content ID with stored content ID information; and performing, by the network entity, at least one operation based on the comparison result, wherein the at least one operation includes: requesting the content from the mobile terminal, if the comparing step indicates that the received content ID does not match data stored in the stored content ID information; receiving the requested content from the mobile terminal; and storing the received content with the content ID.
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