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Linear logic-based semantics construction for LTAG

Frank, Anette and van Genabith, Josef (2001) Linear logic-based semantics construction for LTAG. In: The 6th International Lexical-Functional Grammar Conference, LFG'2001, 25-27 June 2001, The University of Hong Kong, Hong Kong.

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In this paper we review existing appoaches to semantics construction in LTAG (Lexicalised Tree Adjoining Grammar) which are all based on the notion of derivation (tree)s. We argue that derivation structures in LTAG are not appropriate to guide semantic composition, due to a non-isomorphism, in LTAG, between the syntactic operation of adjunction on the one hand, and the semantic operations of complementation and modification, on the other. Linear Logic based “glue” semantics, by now the classical approach to semantics construction within the LFG framework (cf. Dalrymple (1999)) allows for flexible coupling of syntactic and semantic structure. We investigate application of “glue semantics” to LTAG syntax, using as underlying structure the derived tree, which is more appropriate for principle-based semantics construction. We show how linear logic semantics construction helps to bridge the non-isomorphism between syntactic and semantic operations in LTAG. The glue approach allows to capture non-tree local dependencies in control and modification structures, and extends to the treatment of scope ambiguity with quantified NPs and VP adverbials. Finally, glue semantics applies successfully to the adjunction-based analysis of long-distance dependencies in LTAG, which differs significantly from the f-structure based analysis in LFG.

Item Type:Conference or Workshop Item (Paper)
Event Type:Conference
Uncontrolled Keywords:E-Learning
Subjects:Social Sciences > Educational technology
DCU Faculties and Centres:DCU Faculties and Schools > Faculty of Engineering and Computing > School of Computing
Publisher:CSLI Publications
Copyright Information:© 2001 CSLI Publications.
Use License:This item is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 License. View License
ID Code:16314
Deposited On:01 Jun 2011 16:02 by Shane Harper. Last Modified 01 Jun 2011 16:02

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