21. The system of claim 20 further wherein the global classes of links of the sparse graph of media object similarities include one or more of music artists, music albums, and music tracks.
21. The system of claim 20 further wherein the global classes of links of the sparse graph of media object similarities include one or more of music artists, music albums, and music tracks. 22. The system of claim 21 further comprising performing a simplex optimization for automatically optimizing one or more of the weighted global classes of links for maximally matching one or more predefined data sets.