There were a good article criticising Google Flu approach: “ The parable of
Google Flu: Traps in Big Data Analysis”
*http://dash.harvard.edu/bitstream/handle/1/12016836/The%20Parable%20of%20Google%20Flu%20(WP-Final).pdf?sequence=1
McIver, David J. and John S. Brownstein (April 17, 2014) Wikipedia
Usage Estimates Prevalence of Influenza-Like Illness in the United
States in Near Real-Time PLOS Computational Biology:
http://www.ploscompbiol.org/article/info:doi/10.1371/journal.pcbi.1003581
Wikipedia article view data has been
