@proceedings{ vetu:11:ed, editor = "Vetulani, Zygmunt", title = "Proceedings of the 5th Language \& Technology Conference: Human Language Technologies as a Challenge for Computer Science and Linguistics", booktitle = "Proceedings of the 5th Language \& Technology Conference: Human Language Technologies as a Challenge for Computer Science and Linguistics", address = "PoznaƄ, Poland", key = "LTC11", year = "2011" }