Previous Work
MDS: iterative spring model (infovis)
[Chalmers 96, Morrison 02, Morrison 03]
[Amenta 02]
eigensolving (machine learning)
Isomap [Tenenbaum 00], LLE [Roweis 00]
charting [Brand 02]
Laplacian Eigenmaps [Belkin 03]
many other approaches
self-organizing maps [Kohonen 95]
PCA, factor analysis, projection pursuit