2013

doi dblp
On sampling the wisdom of crowds: random vs. expert sampling of the twitter stream
Saptarshi Ghosh | Muhammad Bilal Zafar | Parantapa Bhattacharya | Naveen Kumar Sharma | Niloy Ganguly | P. Krishna Gummadi
22nd ACM International Conference on Information and Knowledge Management, CIKM'13, San Francisco, CA, USA, October 27 - November 1, 2013

2012

doi dblp
Cognos: crowdsourcing search for topic experts in microblogs
Saptarshi Ghosh | Naveen Kumar Sharma | Fabrício Benevenuto | Niloy Ganguly | P. Krishna Gummadi
The 35th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '12, Portland, OR, USA, August 12-16, 2012

doi dblp
Understanding and combating link farming in the twitter social network
Saptarshi Ghosh | Bimal Viswanath | Farshad Kooti | Naveen Kumar Sharma | Gautam Korlam | Fabrício Benevenuto | Niloy Ganguly | P. Krishna Gummadi
Proceedings of the 21st World Wide Web Conference 2012, WWW 2012, Lyon, France, April 16-20, 2012

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