A non-transitory computer readable recording medium storing a computer program product for determining, in a determination device, a sequence of events including a first event in a mobile communication network system, the computer program product comprising software instructions which, when run on processing circuitry of the determination device, causes the determination device to:
- identify at least one second event before and/or after the first event;
- determine a probability of an occurrence of each second event before and/or after the first event;
- determine a probability of an occurrence of each second event before and/or after each other second event;
- and
- determine a sequence of first and second events with the highest probability;
- wherein the first and/or second events are provided by a providing device.