@inproceedings{inproceedings, title = {{Evaluating Passage Retrieval Approaches for Question Answering.}}, publisher = {{Springer}}, url = {{https://doi.org/10.1007/b96895 }}, year = {{2004}}, month = {{1}}, author = {{Roberts I and Gaizauskas RJ}}, volume = {{2997}}, journal = {{ECIR}}, pages = {{72-84}}, note = {{Accessed on 2025/05/31}}}