![]() ![]() Our research in " Learning and Improving Alzheimer's Patient-Caregiver Relationships via Smart Healthcare Technology" has been funded by NSF SCH program. I was selected for the WSDM 2019 Outstanding Senior Program Committee Award. I gave an invitated talk about "Context Attentive Document Ranking and Query Suggestion in Search Tasks" at the Task Intelligence Workshop, WSDM'2019, Melbourne Australia. I gave an invitated talk about "Learning Contextual Bandits in a Non-Stationary Environment" at Pinterest. I gave an invitated talk about "Join Network Embedding with Topic Embedding for User Representation Learning" at LinkedIn. Our paper " Variance Reduction in Gradient Exploration for Online Learning to Rank" received the Best Paper Award at SIGIR'2019! I am offering CS4780/6501 Information Retrieval in the spring semester. We are giving a tutorial on Learning by Exploration at KDD'2020. I am offering CS6501 Reinforcement Learning in the fall semester. More details about this award can be found here. Our research in " Towards Explainable Personalization" has been funded by NSF IIS program. I am offering CS4780 Information Retrieval in the spring semester. I will be visiting the Department of Computer Science and Technology at Tsinghua University in the academic year 2021-22 for my sabbatical leave. Our research in " Moving offline learning to rank online, from theory to practice" has been funded by NSF IIS program. Interested in multi-arm bandits? You can now play with such algorithms here. You are highly welcomed to try them out and provide us feedback! We have reorganized our group's algorithms and released most of them through this GitHub site. Very glad to receive the Copenhaver Associate Professor appointment from the School of Engineering!
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