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Beyond NomBank A Study of Implicit Argumentation for Nominal Predicates

Beyond NomBank: A Study of Implicit Argumentation for Nominal Predicates

Title: 

Beyond NomBank: A Study of Implicit Argumentation for Nominal Predicates

Year of Publication:

2010

Authors:

Gerber, M, Chai, JY

Conference Name:

Association for Computational Linguistics

Publisher:

Association for Computational Linguistics

Abstract:

Despite its substantial coverage, Nom- Bank does not account for all within- sentence arguments and ignores extra- sentential arguments altogether. These ar- guments, which we call implicit, are im- portant to semantic processing, and their recovery could potentially benefit many NLP applications. We present a study of implicit arguments for a select group of frequent nominal predicates. We show that implicit arguments are pervasive for these predicates, adding 65% to the coverage of NomBank. We demonstrate the feasibil- ity of recovering implicit arguments with a supervised classification model. Our re- sults and analyses provide a baseline for future work on this emerging task.