1. Agrawala, M. (2005), “The purpose of information visualization, CS558 Visualization”, Paul G. Allen School of Computer Science & Engineering, Seattle, WA, available at: https://courses.cs.washington.edu/courses/cse558/05wi/forweb/purpose/purpose.pdf (accessed March 6, 2017).
2. Latent Dirichlet allocation;Journal of Machine Learning Research,2003
3. Xpos’re: a tool for rich internet publications;Digital Humanities Quarterly,2014
4. Card, S.K., Mackinlay, J.D. and Shneiderman, B. (Eds) (1999), Readings in Information Visualization: Using Vision to Think, Morgan Kaufmann, San Francisco, CA.