26 citations · 32 across the 3 of their papers we have counts for
4 papers · 1 filter
Urban Traffic Accident Risk Prediction Revisited: Regionality, Proximity, Similarity and Sparsity
Minxiao Chen, Haitao Yuan, Nan Jiang +2
Traffic accidents pose a significant risk to human health and property safety. Therefore, to prevent traffic accidents, predicting their risks has garnered growing interest. We arg…
A Simple Yet High-Performing On-disk Learned Index: Can We Have Our Cake and Eat it Too?
Hai Lan, Zhifeng Bao, J. Shane Culpepper +2
While in-memory learned indexes have shown promising performance as compared to B+-tree, most widely used databases in real applications still rely on disk-based operations. Based…
Updatable Learned Indexes Meet Disk-Resident DBMS -- From Evaluations to Design Choices
Hai Lan, Zhifeng Bao, J. Shane Culpepper +1
Although many updatable learned indexes have been proposed in recent years, whether they can outperform traditional approaches on disk remains unknown. In this study, we revisit an…
Monitoring the Top-m Aggregation in a Sliding Window of Spatial Queries
Farhana M. Choudhury, Zhifeng Bao, J. Shane Culpepper +1
In this paper, we propose and study the problem of top-m rank aggregation of spatial objects in streaming queries, where, given a set of objects O, a stream of spatial queries (kNN…