@inproceedings {4699,
	title = {Gathering Knowledge for a Question Answering System From Heterogeneous Information Sources},
	booktitle = {Association for Computational Linguistics (ACL)},
	year = {2001},
	url = {https://aclanthology.org/W01-1009/},
	author = {Boris Katz and Jimmy Lin and Sue Felshin}
}
