Passage retrieval vs. document retrieval for factoid question answering.

@inproceedings{clarke-2003-passage, author = {Charles L. A. Clarke and Egidio L. Terra}, editor = {Charles L. A. Clarke and Gordon V. Cormack and Jamie Callan and David Hawking and Alan F. Smeaton}, title = {{Passage retrieval vs. document retrieval for factoid question answering}}, booktitle = {{SIGIR 2003: Proceedings of the 26th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, July 28 - August 1, 2003, Toronto, Canada}}, pages = {427--428}, publisher = {ACM}, year = {2003}, url = {https://doi.org/10.1145/860435.860534}, doi = {https://doi.org/10.1145/860435.860534} }