@InProceedings{Liu-EtAl:2009:PACLIC20091,
author    = {Maofu Liu and Fang Fang and Donghong Ji},
title     = {Document Re-ranking via Wikipedia Articles for Definition/Biography Type Questions},
booktitle = {Proceedings of the 23rd Pacific Asia Conference on Language, Information and Computation},
year      = {2009},
month     = {December},
address   = {Hong Kong},
publisher = {City University of Hong Kong},
pages     = {748--754},
url       = {http://www.aclweb.org/anthology/Y09-2037}
}