| 摘要 |
An operator's terminal (2) determines a churn risk value associated with a first UE (User Equipment) belonging to a group of operator-connected UEs of a telecommunication system, each UE of the group associated with an initial churn risk value, which depends on the usage. Further, direct weight factors are determined (51) for each direct connection to the first UE, and linked weight factors are determined (52) for each non-direct connection, the weight factors indicating the connectivity between the UEs. Then, the churn risk value is determined (54) based on the initial churn risk values and said weight factors.
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