Abstract
The success of machine learning approaches to word sense disambiguation (WSD) is largely dependent on the representation of the context in which an ambiguous word occurs. Typically, the contexts are represented as the vector space using ”Bag of Words (BoW)” technique. Despite its ease of use, BoW representation suffers from well-known limitations, mostly due to its inability to exploit semantic similarity between terms. In this paper, we apply the exponential kernel, which models semantic similarity by means of a diffusion process on a graph defined by lexicon and co-occurrence information, to smooth the BoW representation for WSD. Exponential kernel virtually exploits higher order co-occurrences to infer semantic similarities in an elegant way. The superiority of the proposed method is demonstrated experimentally with several SensEval disambiguation tasks.
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Wang, T., Rao, J., Zhao, D. (2013). Using Exponential Kernel for Word Sense Disambiguation. In: Mladenov, V., Koprinkova-Hristova, P., Palm, G., Villa, A.E.P., Appollini, B., Kasabov, N. (eds) Artificial Neural Networks and Machine Learning – ICANN 2013. ICANN 2013. Lecture Notes in Computer Science, vol 8131. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-40728-4_68
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DOI: https://doi.org/10.1007/978-3-642-40728-4_68
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