Encoding event and argument structures in wordnets

Authors:
Raquel Amaro;Sara Mendes;Palmira Marrafa
Affiliations:
CLG, Center of Linguistics, University of Lisbon, Lisbon, Portugal;CLG, Center of Linguistics, University of Lisbon, Lisbon, Portugal;CLG, Center of Linguistics, University of Lisbon, Lisbon, Portugal
Venue:
TSD'10 Proceedings of the 13th international conference on Text, speech and dialogue
Year:
2010

Citing 3
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EuroWordNet: a multilingual database with lexical semantic networks

EuroWordNet: a multilingual database with lexical semantic networks
A semantic network of English: the mother of all WordNets

EuroWordNet
Enriching wordnets with new relations and with event and argument structures

CICLing'06 Proceedings of the 7th international conference on Computational Linguistics and Intelligent Text Processing

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Abstract

In this paper we propose the codification of argument and event structures in wordnets, providing information on selection properties, semantic incorporation phenomena and internal properties of events, in what we claimto be an affordable procedure. We propose an explicit expression of argument structure, including default and shadow arguments, through three new relations and a new order feature. As synsets in wordnets are associated to a given POS, information on the selection properties of lexical items is added. We show that the systematic encoding of event structure information, through five new features at synset level, besides providing the grounds for describing the order of arguments, enriches the descriptive power of these resources. In doing so, we crucially contribute to making wordnets rich and structured repositories of lexical semantic information, that allow for the extraction of argument and event structures of lexical items, thus enhancing their usability in NLP systems.