Method for storing objects in a storage and corresponding system

A method for storing objects in a storage, wherein the storage has a predetermined capacity, the method comprising the steps of: ­ providing an expected popularity and an uncertainty of said expected popularity for each of said objects, ­ selecting a set of objects for storing in said storage, wherein the set of objects is selected on the basis of said expected popularity, said uncertainty and the capacity of said storage. Furthermore, a corresponding system for storing objects is disclosed.