This textbook chapter gives an overview of the state of the art on the tools and ideas for visualization of text, with the purpose of letting the readers understand text collections. The different visual examples and graphical illustrations make it easier to understand the difference between the visualizations. Also, the examples and diagrams, within a topic, helps understand the different representations of a visualization better. I especially found the tool TRIST interesting because it represents results of a search as document icons and also supports multiple linked dimensions that helps to find correlations among the documents.
Overall, it is a very good article on different tools, but the contained material should have been elaborated further to save the user some time on doing research on the particular tool of interest. Even then, it was good to read about and recollect the different visualization tools taught in class, as well as go over some of the interesting topics such as ManyEyes and SeeSoft.
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