@article{v007a005, author = {Krauthgamer, Robert and Roughgarden, Tim}, title = {Metric Clustering via Consistent Labeling}, year = {2011}, pages = {49--74}, doi = {10.4086/toc.2011.v007a005}, publisher = {Theory of Computing}, journal = {Theory of Computing}, volume = {7}, number = {5}, URL = {https://theoryofcomputing.org/articles/v007a005}, }