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A Formal Model for Plausible Dependencies in Lexicalized Tree Adjoining Grammar
Heinrich Heine University Düsseldorf, Düsseldorf, Germany.
Uppsala universitet, Institutionen för lingvistik och filologi. (Datorlingvistik)ORCID iD: 0000-0002-2492-9872
2012 (English)In: Proceedings of the 11th International Workshop on Tree Adjoining Grammars and Related Formalisms, 2012, 108-116 p.Conference paper, Published paper (Other academic)
Abstract [en]

Several authors have pointed out that the correspondence between LTAG derivation trees and dependency structures is not as direct as it may seem at first glance, and various proposals have been made to overcome this divergence. In this paper we propose to view the correspondence between derivation trees and dependency structures as a tree transformation during which the direction of some of the original edges is reversed. We show that, under this transformation, LTAG is able to induce both ill-nested dependency trees and dependency trees with gap-degree greater than 1, which is not possible under the direct reading of derivation trees as dependency trees.

Place, publisher, year, edition, pages
2012. 108-116 p.
National Category
Language Technology (Computational Linguistics)
Research subject
Computational Linguistics
Identifiers
URN: urn:nbn:se:liu:diva-100281ISBN: 978-1-937284-46-6 (print)OAI: oai:DiVA.org:liu-100281DiVA: diva2:661535
Conference
11th International Workshop on Tree Adjoining Grammars and Related Formalisms (TAG+), 26 - 28 Sept 2012, Paris, France
Available from: 2012-12-05 Created: 2013-11-04 Last updated: 2014-10-08Bibliographically approved

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Kuhlmann, Marco

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Citation style
  • apa
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  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
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  • asciidoc
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