2 papers
cs.DB2018
Heuristic and Cost-based Optimization for Diverse Provenance Tasks
Xing Niu, Raghav Kapoor, Boris Glavic +4
A well-established technique for capturing database provenance as annotations on data is to instrument queries to propagate such annotations. However, even sophisticated query opti…
cs.DB2017
Debugging Transactions and Tracking their Provenance with Reenactment
Xing Niu, Bahareh Sadat Arab, Seokki Lee +6
Debugging transactions and understanding their execution are of immense importance for developing OLAP applications, to trace causes of errors in production systems, and to audit t…