Branco, António HortaCosta, FranciscoSailer, Manfred2009-02-102014-11-142009-02-102014-11-142005-06http://hdl.handle.net/10451/14274http://repositorio.ul.pt/handle/10455/2977This technical report collects the extended abstracts selected for presentation at HPSG 2005 - The 12th International Conference on Head-Driven Phrase Structure Grammar (University of Lisbon, August 23-24, 2005 - http://hpsg2005.di.fc.ul.pt/) by the corresponding program committeeporNatural Language ProcessingNatural Language Formal Syntax and SemanticsDeep Linguistic ProcessingNatural Language GrammarHPSGbook