where v is a similar user of the
current u, Star Technology Projects
Centres is a subset of similar users, who obtain
QoS values of both services i Star Technology
Project Centres and j, and wv is a
weighting Star Technology Projects
Centre factor of the similar user v, Star
Technology Project Centre
which can be calculated by Star Technologies
Projects Centres wv makes sure that a
similar user Star Technologies Project
Centres with higher similarity value has greater
impact on the preference value prediction in Star
Technologies Projects Centre
With Star Technologies Project
Centre , the preference value between a pair of
services can be obtained by taking advantage of the past Star
Technology Projects Centers
usage
experiences of similar users.