U.S. Election Days
(Data Version: March 2015)

The data set contains the dates of all U.S. Election Days, which occurr anually
on the first Tuesday after the first Monday in November (i.e., it varies between
November 2 and November 8). Every four years (in years divisible by 4), the Elec-
tion Day is a presidential Election Day. The data is formatted as a tab-separated
txt file with two columns:

<date> \t <type>

<date>:     date of the Election Day as YYYY-MM-DD
<type>:     "regular" or "presidential"

The data was originally used as evaluation set for similarity prediction between
dates. If you use the data for research purposes, please cite this as the source:

A. Spitz, J. Strötgen, T. Bögel, and M. Gertz.
Terms in Time and Times in Context: A Graph-based Term-Time Ranking Model.
5th Temporal Web Analytics Workshop, Proceedings of the 24th International
Conference on World Wide Web Companion (WWW), pages 1375-1380, 2015
