14. The system of claim 9 wherein initially embedding each media object into a multidimensional space comprises performing a multidimensional scaling-based processing of the sparse graph of media object similarities.
14. The system of claim 9 wherein initially embedding each media object into a multidimensional space comprises performing a multidimensional scaling-based processing of the sparse graph of media object similarities. 16. The system of claim 14 wherein the multidimensional scaling-based processing is a Fast Sparse Embedding process.