The Penn Database Group meets weekly, on Fridays in the DSL Conference Room (in Moore 100). We also generally support remote participation via Zoom.

Please subscribe to the Database Group Mailing List (db-group@seas) to get notifications. You may contact Soonbo Han,, for more details and to be added to the list.

DateTopic / PaperPresenter
1/26Welcome back / Planning
2/2Learned Adaptive Query ExecutionRyan Marcus
2/9RITA: Group Attention is All You Need for Timeseries AnalyticsJiaming Liang
2/16Locality-Sensitive Hashing Algorithms for Approximate Nearest Neighbor Search in High-dimensional Vector DatabasesYao Tian
2/23Learning Approximation Sets for Exploratory QueriesKathy Razmadze (hosted by Susan Davidson)
3/8(Spring Term Break)
3/15(PhD Open House)
3/22Cost-based or Learning-based? A Hybrid Query Optimizer for Query Plan SelectionAustin Wang
4/5Implementation Strategies for Views over Property GraphsSoonbo Han
4/9 (Tue@3:30pm)Towards a Systematic Framework for Index Structure DesignDong Xie (Penn State)
4/19Information Extraction from Weak SupervisionQi Zhang (Temple)
4/26Bayesian Optimization for Join OrderingJeff Tao