Cognos: crowdsourcing search for topic experts in microblogs.

@inproceedings{ghosh-2012-cognos, author = {Saptarshi Ghosh and Naveen Kumar Sharma and Fabr\'{i}cio Benevenuto and Niloy Ganguly and P. Krishna Gummadi}, editor = {William R. Hersh and Jamie Callan and Yoelle Maarek and Mark Sanderson}, title = {{Cognos: crowdsourcing search for topic experts in microblogs}}, booktitle = {{The 35th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '12, Portland, OR, USA, August 12-16, 2012}}, pages = {575--590}, publisher = {ACM}, year = {2012}, url = {https://doi.org/10.1145/2348283.2348361}, doi = {https://doi.org/10.1145/2348283.2348361} }