Exploring HPSG-based Treebanks for Probabilistic Parsing HPSG grammar extraction Günter Neumann author Berthold Crysmann author 2006-05 text Proceedings of the Fifth International Conference on Language Resources and Evaluation (LREC’06) Nicoletta Calzolari editor Khalid Choukri editor Aldo Gangemi editor Bente Maegaard editor Joseph Mariani editor Jan Odijk editor Daniel Tapias editor European Language Resources Association (ELRA) Genoa, Italy conference publication neumann-crysmann-2006-exploring https://aclanthology.org/L06-1360/ 2006-05