Search result diversity for informational queries.

@inproceedings{welch-2011-search, author = {Michael J. Welch and Junghoo Cho and Christopher Olston}, editor = {Sadagopan Srinivasan and Krithi Ramamritham and Arun Kumar and M. P. Ravindra and Elisa Bertino and Ravi Kumar}, title = {{Search result diversity for informational queries}}, booktitle = {{Proceedings of the 20th International Conference on World Wide Web, WWW 2011, Hyderabad, India, March 28 - April 1, 2011}}, pages = {237--246}, publisher = {ACM}, year = {2011}, url = {https://doi.org/10.1145/1963405.1963441}, doi = {https://doi.org/10.1145/1963405.1963441} }