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Abstract

A method and apparatus for determining key social information, comprises acquiring directly-retransmitted social information and indirectly-retransmitted social information of original social information, and establishing a social information retransmitting tree; acquiring an information characteristic of each piece of retransmitted social information in the social information retransmitting tree; determining a characteristic vector of each piece of retransmitted social information according to the information characteristic of the retransmitted social information; inputting the obtained characteristic vector into a preset filtering model, and acquiring candidate key social information; and selecting final key social information from all candidate key social information according to a criticality evaluation value of each piece of candidate key social information. In the technical solution of the present disclosure, directly-retransmitted social information and indirectly-retransmitted social information are comprehensively considered, and key social information is selected from all retransmitted social information of original social information, which improves accuracy of a selection result.

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First Claim