Group matrix factorization for scalable topic modeling.

@inproceedings{wang-2012-group, author = {Quan Wang and Zheng Cao and Jun Xu and Hang Li}, editor = {William R. Hersh and Jamie Callan and Yoelle Maarek and Mark Sanderson}, title = {{Group matrix factorization for scalable topic modeling}}, booktitle = {{The 35th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '12, Portland, OR, USA, August 12-16, 2012}}, pages = {375--384}, publisher = {ACM}, year = {2012}, url = {https://doi.org/10.1145/2348283.2348335}, doi = {https://doi.org/10.1145/2348283.2348335} }