@techreport{4139, title = {A tutorial on spectral clustering}, author = {von Luxburg, U.}, number = {149}, organization = {Max-Planck-Gesellschaft}, institution = {Max Planck Institute for Biological Cybernetics, Tübingen}, school = {Biologische Kybernetik}, month = aug, year = {2006}, doi = {}, month_numeric = {8} }