Hi ,
I want to predict the missing Qos value for a service cloud using collaborative filtering to ensure the reliability of my prediction i will chose expert users for that i calculate the trustworthy of each user and i want to use the list of trust-worthy user's as a reference for the active user( to treat the case if it was clod start user) know i want to construct a web of trust between the active user and this trust-worthy user's can some one help me how i doing that ?
thanks