Exemplar-based word-space model for compositionality detection: shared task system description
DiSCo '11: Proceedings of the Workshop on Distributional Semantics and Compositionality(2011)
摘要
In this paper, we highlight the problems of polysemy in word space models of compositionality detection. Most models represent each word as a single prototype-based vector without addressing polysemy. We propose an exemplar-based model which is designed to handle polysemy. This model is tested for compositionality detection and it is found to outperform existing prototype-based models. We have participated in the shared task (Biemann and Giesbrecht, 2011) and our best performing exemplar-model is ranked first in two types of evaluations and second in two other evaluations.
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关键词
compositionality detection,exemplar-based model,prototype-based model,single prototype-based vector,word space model,shared task,Exemplar-based word-space model,shared task system description
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