@article{v002a013,
 author = {Ioannis Giotis and Venkatesan Guruswami},
 title = {Correlation Clustering with a Fixed Number of Clusters},
 journal = {Theory of Computing},
 year = {2006},
 pages = {249-266},
 publisher = {Theory of Computing},
 doi = {10.4086/toc.2006.v002a013},
 volume = {2},
 number = {1},
 URL = {http://www.theoryofcomputing.org/articles/v002a013},
 eprint = {toc:v002/a013},
}