\input zb-basic
\input zb-ioport
\iteman{io-port 71012897}
\itemau{T\'ellez-Valero, Alberto; Montes-Y-G\'omez, Manuel; Pineda, Luis Villase\~nor; Pe\~nas, Anselmo}
\itemti{Improving question answering by combining multiple systems via answer validation}
\itemso{CICLing, 544-554 (2008).}
\itemcc{}
\itemut{}
\itemli{doi:10.1007/978-3-540-78135-6\_47}
\end