Complex lexico-syntactic reformulation of sentences using typed dependency representations

Authors:
Advaith Siddharthan
Affiliations:
University of Aberdeen
Venue:
INLG '10 Proceedings of the 6th International Natural Language Generation Conference
Year:
2010

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Abstract

We present a framework for reformulating sentences by applying transfer rules on a typed dependency representation. We specify a list of operations that the framework needs to support and argue that typed dependency structures are currently the most suitable formalism for complex lexico-syntactic paraphrasing. We demonstrate our approach by reformulating sentences expressing the discourse relation of causation using four lexico-syntactic discourse markers -- "cause" as a verb and as a noun, "because" as a conjunction and "because of" as a preposition.