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cs.DB2025
In-memory Incremental Maintenance of Provenance Sketches [extended version]
Pengyuan Li, Boris Glavic, Dieter Gawlick +4
Provenance-based data skipping compactly over-approximates the provenance of a query using so-called provenance sketches and utilizes such sketches to speed-up the execution of sub…
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…