Detecting Multiword Expressions by Dependency Parsing Istvn Nagy - PowerPoint PPT Presentation

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Detecting Multiword Expressions by Dependency Parsing Istvn Nagy T. and Veronika Vincze University of Szeged, Hungary Department of Informatics PARSEME 2nd General Meeting Athens, Greece, 10-11 March 2014 Introduction Automatic

Detecting Multiword Expressions by Dependency Parsing István Nagy T. and Veronika Vincze University of Szeged, Hungary Department of Informatics PARSEME 2nd General Meeting – Athens, Greece, 10-11 March 2014
Introduction • Automatic detection of MWEs by dependency parsers in different languages • 3 settings: – English verb-particle constructions – Hungarian light verb constructions – German light verb constructions
Methods English VPCs Penn Treebank has VPC annotation Bohnet and Stanford parsers were trained on it Evaulated the parsers on Wiki50 corpus manually annotated for VPCs German LVCs TIGER corpus has LVC annotation Bohnet parser trained on TIGER Evaluated this model on the German part of JRC-Acquis manually annotated for LVCs
Methods & Results Hungarian LVCs LVCs were manually annotated in the Szeged Treebank LVC specific dependency relations Trained and evaluated the Bohnet parser in 10-fold manner Results: The Bohnet parser performs well on all the three tasks

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