@inproceedings{
    nie:etal:09a,
    author = "Nielek, Radosław and Wawer, Aleksander and Kotowski, Romuald",
    booktitle = "IEEE Social Informatics, 2009. SOCINFO '09. International Workshop on",
    title = "Patterns in Time: Modelling Schedules in Social Networks",
    pages = "80--85",
    year = "2009"
}