A Comparison of Various Methods for Concept Tagging for Spoken Language Understanding Stefan Hahn author Patrick Lehnen author Christian Raymond author Hermann Ney author 2008-05 text Proceedings of the Sixth International Conference on Language Resources and Evaluation (LREC’08) Nicoletta Calzolari editor Khalid Choukri editor Bente Maegaard editor Joseph Mariani editor Jan Odijk editor Stelios Piperidis editor Daniel Tapias editor European Language Resources Association (ELRA) Marrakech, Morocco conference publication hahn-etal-2008-comparison https://aclanthology.org/L08-1495/ 2008-05