Word Sense Disambiguation for Vocabulary Learning

Authors:
Anagha Kulkarni;Michael Heilman;Maxine Eskenazi;Jamie Callan
Affiliations:
Language Technologies Institute, Carnegie Mellon University, Pittsburgh, USA 15213;Language Technologies Institute, Carnegie Mellon University, Pittsburgh, USA 15213;Language Technologies Institute, Carnegie Mellon University, Pittsburgh, USA 15213;Language Technologies Institute, Carnegie Mellon University, Pittsburgh, USA 15213
Venue:
ITS '08 Proceedings of the 9th international conference on Intelligent Tutoring Systems
Year:
2008

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Abstract

Words with multiple meanings are a phenomenon inherent to any natural language. In this work, we study the effects of such lexical ambiguities on second language vocabulary learning. We demonstrate that machine learning algorithms for word sense disambiguation can induce classifiers that exhibit high accuracy at the task of disambiguating homonyms (words with multiple distinct meanings). Results from a user study that compared two versions of a vocabulary tutoring system, one that applied word sense disambiguation to support learning and another that did not, support rejection of the null hypothesis that learning outcomes with and without word sense disambiguation are equivalent, with a p-value of 0.001. To our knowledge this is the first work that investigates the efficacy of word sense disambiguation for facilitating second language vocabulary learning.