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Dimensionality Reduction for Text using Domain Knowledge

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Abstract

Text documents are complex high dimensional objects. To effectively visualize

such data it is important to reduce its dimensionality and visualize the low dimensional embedding as a 2-D or 3-D scatter

plot. 

In this paper we explore dimensionality reduction methods that draw upon domain knowledge in order to achieve a better low dimensional embedding and visualization of documents. 

We consider the use of geometries specified manually by an expert, geometries derived automatically from corpus statistics, and geometries computed from linguistic resources.


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 https://aclanthology.org/C10-2092.pdf

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