Construction of a German HPSG grammar from a detailed treebank

Authors:
Bart Cramer;Yi Zhang
Affiliations:
Saarland University, Germany;Saarland University, Germany and German Research Center for Artificial Intelligence, Germany
Venue:
GEAF '09 Proceedings of the 2009 Workshop on Grammar Engineering Across Frameworks
Year:
2009

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Abstract

Grammar extraction in deep formalisms has received remarkable attention in recent years. We recognise its value, but try to create a more precision-oriented grammar, by hand-crafting a core grammar, and learning lexical types and lexical items from a treebank. The study we performed focused on German, and we used the Tiger treebank as our resource. A completely hand-written grammar in the framework of HPSG forms the inspiration for our core grammar, and is also our frame of reference for evaluation.