References

Monroe, Burt L. 2013. “The Five Vs of Big Data Political Science Introduction to the Virtual Issue on Big Data in Political Science Political Analysis.” Political Analysis 21 (V5). Cambridge University Press: 1–9.

Munzert, Simon, Christian Rubba, Peter Meißner and Dominic Nyhuis. Automated Data Collection with R: a Practical Guide to Web Scraping and Text Mining *. Chichester, England: Wiley, 2015. Print.