@Proceedings{rudolph2009fcaticip, author = "Sebastian Rudolph and S{\'e}bastien Ferr{\'e}", isbn = "978-3-642-01814-5", month = "Mai", publisher = "Springer", series = "LNAI", title = "Formal Concept Analysis: 7th International Conference, ICFCA 2009, Proceedings", volume = "5548", year = "2009", }