http://www.appy-geek.com/Web/ArticleWeb.aspx?regionid=1&articleid=36734210

http://www.koozai.com/blog/analytics/the-complete-google-analytics-event-tracking-guide-plus-10-amazing-examples/

http://htdp.org/2003-09-26/Book/

http://www.ccs.neu.edu/home/matthias/HtDP2e/part_one.html

http://analysis.gdeltproject.org/

http://gdeltproject.org/#computing

http://englue.com/

ACTROID-F in AIST Open Lab 2010 02: http://youtu.be/cFVlzUAZkHY

Introducing DataFrames in Spark for Large Scale Data Science

http://databricks.com/blog/2015/02/17/introducing-dataframes-in-spark-for-large-scale-data-science.html

Driving Hadoop data integration with standards-based models instead of code

http://www.snee.com/bobdc.blog/2015/02/driving-hadoop-data-integratio.html