@incollection{
year={2014},
isbn={978-3-319-09273-7},
booktitle={Artificial General Intelligence},
volume={8598},
series={Lecture Notes in Computer Science},
editor={Goertzel, Ben and Orseau, Laurent and Snaider, Javier},
doi={10.1007/978-3-319-09274-4_22},
title={Toward a Formalization of QA Problem Classes},
url={http://dx.doi.org/10.1007/978-3-319-09274-4_22},
publisher={Springer International Publishing},
author={Govindarajulu, Naveen Sundar and Licato, John and Bringsjord, Selmer},
pages={228-233},
language={English}
}