A dataset has been updated in CRAWDAD.
<http://crawdad.org/ilesansfil/wifidog/20151106/>

The ilesansfil/wifidog dataset now contains six years of Wi-Fi hotspot
session traces.

If you do use these data, please let us know, and you can use the DOI
10.15783/C7H883 to cite the dataset. BibTeX and RIS are provided on
the website.

Cheers,
Tristan
-- 
Tristan Henderson | School of Computer Science | University of St Andrews
www: http://tristan.host.cs.st-andrews.ac.uk/  | tel: +44 1334 461637
The University of St Andrews is a charity registered in Scotland: No SC013532