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This article presents a case study of the use of text mining to evaluate citizen comments related to public issues. This is a highly unstructured domain, calling for an exploratory analysis. PolyAnalyst, a text mining software tool, was used to identify the importance of issues, to structure the comments into a meaningful form, and to develop support for various conclusions. The case demonstrates the potential of text mining to enable…

Text mining tools provide the ability to take unstructured data in the form of digitized text, and translate this data into useful knowledge. Semantic text analysis combines quantitative computer support with expert experience to process text data qualitatively. This can give new views of data that can lead to human insight. This paper demonstrates the process by which PolyAnalyst can take employee survey data and develop business taxonomies showing the…

The Centers for Disease Control and Prevention (CDC), located in Atlanta, Georgia, USA, is an agency of the Department of Health and Human Services. The CDC mission is to promote health and quality of life by preventing and controlling disease, injury, and disability. Established in 1946, the CDC have approximately 7,800 employees in 170 occupations at numerous locations throughout the USA. Centers for Disease Control and Prevention run TextAnalyst on…