@article{FilipponeIJKESDP09,
    author = "Filippone, Maurizio and Masulli, Francesco and Rovetta, Stefano",
    title = "Clustering in the Membership Embedding Space",
    journal = "International Journal of Knowledge Engineering and Soft Data Paradigms",
    volume = "4",
    number = "1",
    year = "2009",
    pages = "363-375"
}