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Advances, Systems and Applications

Journal of Cloud Computing Cover Image

Table 1 Parameters definitions

From: Providing privacy preserving in next POI recommendation for Mobile edge computing

Nnumber of user states in the model
qiThe ith user’s state
QuQu = {q1, q2, …qN}, the state set of user u
Mnumber of POIs visited by user.
ti, jthe probability that the state  qi  transforms to the state  qj
TT = {ti, j}NN, state transition probability distribution
Llength of the POI sequence
OO = {I1, I2, …, IM}, the POI sequential data
pi, jthe probability that user visit POI Ij when the state is qi
Pp = {pi, j}NM, preference probability distribution
πthe probability of initial state