1. Hotel dataset. http://www.hotels-base.com. Hotel dataset. http://www.hotels-base.com.
2. House dataset. http://www.ipums.org. House dataset. http://www.ipums.org.
3. lpsolver. http://lpsolve.sourceforge.net/5.5/. lpsolver. http://lpsolve.sourceforge.net/5.5/.
4. NBA dataset. http://www.basketball-reference.com. NBA dataset. http://www.basketball-reference.com.
5. qhalf. http://www.qhull.org/html/qhalf.htm. qhalf. http://www.qhull.org/html/qhalf.htm.