Document clustering with universum.

@inproceedings{zhang-2011-document, author = {Dan Zhang and Jingdong Wang and Luo Si}, editor = {Wei-Ying Ma and Jian-Yun Nie and Ricardo Baeza-Yates and Tat-Seng Chua and W. Bruce Croft}, title = {{Document clustering with universum}}, booktitle = {{Proceeding of the 34th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2011, Beijing, China, July 25-29, 2011}}, pages = {873--882}, publisher = {ACM}, year = {2011}, url = {https://doi.org/10.1145/2009916.2010033}, doi = {https://doi.org/10.1145/2009916.2010033} }