@inproceedings{
    waw:ogr:17:ltc,
    author = "Wawer, Aleksander and Ogrodniczuk, Maciej",
    pdf = "http://ltc.amu.edu.pl/book2017/papers/PolEval2-4.pdf",
    title = "Results of the {P}ol{E}val 2017 Competition: {S}entiment {A}nalysis Shared Task",
    pages = "406--409",
    crossref = "vet:par:17:ed"
}
@proceedings{
    vet:par:17:ed,
    editor = "Vetulani, Zygmunt and Paroubek, Patrick",
    publisher = "Fundacja Uniwersytetu im. Adama Mickiewicza w~Poznaniu",
    title = "Proceedings of the 8th Language \& Technology Conference: Human Language Technologies as a Challenge for Computer Science and Linguistics",
    booktitle = "Proceedings of the 8th Language \& Technology Conference: Human Language Technologies as a Challenge for Computer Science and Linguistics",
    year = "2017",
    key = "LTC17",
    address = "Poznań, Poland"
}