@inproceedings{1572143,
 author = {Macdonald, Craig and White, Ryen W.},
 title = {Usefulness of click-through data in expert search},
 booktitle = {SIGIR '09: Proceedings of the 32nd international ACM SIGIR conference on Research and development in information retrieval},
 year = {2009},
 isbn = {978-1-60558-483-6},
 pages = {816--817},
 location = {Boston, MA, USA},
 doi = {http://doi.acm.org/10.1145/1571941.1572143},
 publisher = {ACM},
 address = {New York, NY, USA},
 }