@article{ frey07affinitypropagation,
    author = "Brendan J. Frey and Delbert Dueck",
    title = "Clustering by Passing Messages Between Data Points",
    journal = "Science",
    volume = "315",
    pages = "972--976",
    year = "2007",
    url = "www.psi.toronto.edu/affinitypropagation" }