@proceedings{ vetu:11:ed:sv, editor = "Vetulani, Zygmunt", publisher = "Springer-Verlag", title = "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", 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" }