Abstract
Since text mining has been assumed to apply for unformatted text (document), it is necessary to represent text with simplified models. One of the most commonly used models is the vector space model, in which text is represented as a bag of words. Recently, many researches tried to apply a graph-based text model for representing semantic relationships between words. In this paper, we surveyed research trends of graph-based text representation models for text mining. We summarized the models, their features and forecasted further researches.
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