![[ACM Press the 7th ACM international conference - New York, New York, USA (2014.02.24-2014.02.28)] Proceedings of the 7th ACM international conference on Web search and data mining - WSDM '14 - Sampling dilemma]()
[ACM Press the 7th ACM international conference - New York, New York, USA (2014.02.24-2014.02.28)] Proceedings of the 7th ACM international conference on Web search and data mining - WSDM '14 - Sampling dilemmaFeng, Jun; Bian, Jiang; Wang, Taifeng; Chen, Wei; Zhu, Xiaoyan; Liu, Tie-Yan · 2014