2 papers
cs.DB2025
Towards Efficient Random-Order Enumeration for Join Queries
Pengyu Chen, Zizheng Guo, Jianwei Yang +1
In many data analysis pipelines, a basic and time-consuming process is to produce join results and feed them into downstream tasks. Numerous enumeration algorithms have been develo…
cs.CC2024
Data Debugging is NP-hard for Classifiers Trained with SGD
Zizheng Guo, Pengyu Chen, Yanzhang Fu +1
Data debugging is to find a subset of the training data such that the model obtained by retraining on the subset has a better accuracy. A bunch of heuristic approaches are proposed…