@inproceedings{ghosh-cikm13,
 title = {{{On Sampling the Wisdom of Crowds: Random vs. Expert Sampling of the Twitter Stream}}},
 author = {S. Ghosh and M. B. Zafar and P. Bhattacharya and N. Sharma and N. Ganguly and K. P. Gummadi},
 booktitle = {Proceedings of the 22nd ACM International Conference on Information and Knowledge Management (CIKM~'13)},
 location = {San Francisco, California, USA},
 month = {October},
 pages = {1739--1744},
 year = {2013}
}