Combining fields in known-item email search.

@inproceedings{macdonald-2006-combining, author = {Craig Macdonald and Iadh Ounis}, editor = {Efthimis N. Efthimiadis and Susan T. Dumais and David Hawking and Kalervo J\"{a}rvelin}, title = {{Combining fields in known-item email search}}, booktitle = {{SIGIR 2006: Proceedings of the 29th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Seattle, Washington, USA, August 6-11, 2006}}, pages = {675--676}, publisher = {ACM}, year = {2006}, url = {https://doi.org/10.1145/1148170.1148312}, doi = {https://doi.org/10.1145/1148170.1148312} }