学术报告:Causal Modeling and Machine Learning

发布时间:2018-07-10  阅读次数:842

活动时间:2018-7-13  14:00pm
活动地点:济事楼 434

 

Causal Modeling and Machine Learning

张坤 
  •   美国卡耐基梅隆大学助理教授
 
邀请人:饶卫雄教授

Abstract:
Can we find the causal direction between two variables? How can we make optimal predictions in the presence of distribution shift? We are often faced with such causal modeling or prediction problems. Recently, with the rapid accumulation of huge volumes of data, both causal discovery, i.e., learning causal information from purely observational data, and machine learning are seeing exciting opportunities as well as great challenges. This talk will be focused on recent advances in causal discovery and how causal information facilitates understanding and solving certain problems of learning from heterogeneous data. In particular, I will talk about basic approaches to causal discovery and address practical issues in causal discovery, including nonstationarity or heterogeneity of the data and the presence of measurement error. Finally, I will discuss why and how underlying causal knowledge helps in learning from heterogeneous data when the i.i.d. assumption is dropped, with transfer learning as a particular example.
 
Bio:
Kun Zhang is an assistant professor in the philosophy department and an affiliate faculty in the machine learning department of Carnegie Mellon University (CMU), USA, as well as a senior research scientist at Max Planck Institute for Intelligent Systems, Germany. Before joining CMU, he was a lead scientist at Information Sciences Institute of University of Southern California for one year. His research interests lie in machine learning and artificial intelligence, especially in causal discovery and causality-based machine learning. He has being serving as an area chair or senior program committee member for many conferences in machine learning or artificial intelligence, including UAI, ICML, NIPS, AAAI, IJCAI, AIStats, and ICDM, and as an associate editor for several journals. He has organized various academic activities to foster interdisciplinary research in causality.

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