Abstract
We have tried to show from our discussion in the previous chapters that while ensembles of classifiers based on supervised learning methods trained on multiple contextual features have proved to perform superiorly in current mainstream automatic word sense disambiguation, and their performance might have apparently reached a plateau, there are still considerable unknowns as far as the lexical sensitivity of the task is concerned. We have also suggested that these under-explored parts cannot be adequately addressed from the computational perspective alone, as they probably involve some intrinsic properties of words and senses, like concept concreteness, which may be cognitively based. In this final chapter, we put forth some preliminary evidence regarding the impact of concept concreteness on the information demand in disambiguation, and conclude with a research agenda which attempts to bring the two camps closer to advance the research on an area of their mutual concern.
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Notes
- 1.
The disambiguation was based on a narrow semantic relation measured from the taxonomic distance of two senses with respect to the WordNet hierarchy. Monosemous words were used to start a recursive filtering algorithm to gradually purge the irrelevant senses and leave only the relevant senses in a finite number of processing cycles.
- 2.
The HECTOR sense inventory was used for SENSEVAL-1, and some had very different degrees of polysemy. For example, “knee” has as many as 22 senses. On the other hand, OntoNotes senses were used for sense distinction in SENSEVAL-4 (Task 17). WordNet 3.0 senses were used as a common reference for both sets of words.
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Kwong, O.Y. (2013). Lexical Sensitivity of WSD: An Outlook. In: New Perspectives on Computational and Cognitive Strategies for Word Sense Disambiguation. SpringerBriefs in Electrical and Computer Engineering(). Springer, New York, NY. https://doi.org/10.1007/978-1-4614-1320-2_6
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DOI: https://doi.org/10.1007/978-1-4614-1320-2_6
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