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Influence of Morphology in Word Sense Disambiguation for Tamil

Many Word Sense Disambiguation (WSD) algorithms do not take into account the morphological variations in the language. However, as Indian languages are highly inflected languages, we investigate whether morphology must be taken into account for WSD for Indian languages, as they are very rich in morphology. This paper analyses the influence of morphology in WSD for Tamil. We believe our results carry over to many other Indian languages. The results do confirm our belief that morphology affects the performance of a WSD algorithm to a considerable extent for Tamil. For evaluation purposes, we use the Decision List approach of Yarowsky (1995), a well-known WSD method.