id	domain	url
iajs-1072	en.wikipedia.org	http://en.wikipedia.org/wiki/probability_density_function
iajs-1072	en.wikipedia.org	http://en.wikipedia.org/wiki/mean
iajs-1072	en.wikipedia.org	http://en.wikipedia.org/wiki/standard_deviation
iajs-1072	en.wikipedia.org	http://en.wikipedia.org/wiki/scale_parameter
iajs-1072	en.wikipedia.org	http://en.wikipedia.org/wiki/random_variable
iajs-1072	en.wikipedia.org	http://en.wikipedia.org/wiki
iajs-1072	en.wikipedia.org	http://en.wikipedia.org/wiki
iajs-1072	en.wikipedia.org	http://en.wikipedia.org/wiki
iajs-1072	en.wikipedia.org	http://en.wikipedia.org/wiki