1. A computer program product comprising at least one computer-readable medium storing one or more sequences of instructions, wherein execution of the one or more sequences of instructions by one or more processors causes the one or more processors to execute a computer-implemented method for generating a relevance value associated with an object selected from a set of objects, the method comprising: examining a set of metadata sources to determine a number of references to the object from each of the set of metadata sources; calculating a relevance value based on a number of references to the object determined from the set of metadata sources; and storing the relevance value associated with the object in data storage.