@article{Wu_2011,
title={A framework for corroborating answers from multiple web sources},
volume={36},
ISSN={0306-4379},
url={http://dx.doi.org/10.1016/j.is.2010.08.008},
DOI={10.1016/j.is.2010.08.008},
number={2},
journal={Information Systems},
publisher={Elsevier BV},
author={Wu,
Minji and Marian,
Amélie},
year={2011},
month=apr,
pages={431–449} }