@inproceedings{ZL04,

    author    = "Maximilian Viermetz and Michal Skubacz and Cai-Nicolas Ziegler and Dietmar Seipel",
    title     = "Tracking Topic Evolution in News Environments",
    year      = "2008",
    month     = "July",
    booktitle = "Proceedings of the IEEE International Conference on Enterprise Computing, E-Commerce, and E-Services",
    publisher = "IEEE Computer Society Press",
    address   = "Wahington, DC, USA"
}