@inproceedings{
    buc:waw:08iis,
    author = "Buczyński, Aleksander and Wawer, Aleksander",
    title = "Automated classification of product review sentiments in {P}olish",
    pages = "211--215",
    crossref = "klo:etal:08:ed"
}
@book{
    klo:etal:08:ed,
    editor = "Kłopotek, Mieczysław A. and Przepiórkowski, Adam and Wierzchoń, Sławomir T. and Trojanowski, Krzysztof",
    publisher = "Akademicka Oficyna Wydawnicza EXIT",
    booktitle = "Intelligent Information Systems",
    address = "Warsaw",
    title = "Intelligent Information Systems",
    year = "2008"
}