@incollection{
    hajn:11g,
    editor = "Vetulani, Zygmunt",
    author = "Hajnicz, Elżbieta",
    publisher = "Springer-Verlag",
    title = "The {EM}-Based Synset Annotation of {NP/PP} Heads",
    url = "http://link.springer.com/chapter/10.1007%2F978-3-642-20095- 3_39",
    series = "Lecture Notes in Artificial Intelligence",
    booktitle = "Human Language Technology. Challenges for Computer Science and Linguistics: 4th Language and Technology Conference, LTC 2009, Poznań, Poland, November 6--8, 2009, Revised Selected Papers",
    year = "2011",
    number = "6562",
    address = "Berlin",
    pages = "423--434"
}