4 papers
Window Function Optimization: Co-Evaluation and Other Techniques
Daniel Lindner, Felix Naumann, Alberto Lerner
Window functions are among the most expressive features of modern SQL. Surprisingly, relatively little has been written about their optimization. Some techniques exist, such as pus…
Towards Inference-Aware Privacy Guidance for Data Preparation
Vishal Chakraborty, Felix Naumann
Data preparation often begins with sensitive data and produces a releasable artifact for analysis, sharing, or model training. Existing workflows are primarily guided by utility: a…
Inference-Aware & Privacy-Preserving Deletion in Databases
Vishal Chakraborty, Youri Kaminsky, Arnav Abhijit Dhariya +3
Deletion is a fundamental database operation, yet modern systems often fail to provide the privacy guarantee that users expect from it. A deleted value may disappear from query res…
Shape-Agnostic Table Overlap Discovery: A Maximum Common Subhypergraph Approach
Ge Lee, Shixun Huang, Zhifeng Bao +3
Understanding how two tables overlap is useful for many data management tasks, but challenging because tables often differ in row and column orders and lack reliable metadata in pr…