13 citations · 42 across the 6 of their papers we have counts for
5 papers · 1 filter
AutoComp: Automated Data Compaction for Log-Structured Tables in Data Lakes
Anja Gruenheid, Jesús Camacho-Rodríguez, Carlo Curino +7
The proliferation of small files in data lakes poses significant challenges, including degraded query performance, increased storage costs, and scalability bottlenecks in distribut…
LST-Bench: Benchmarking Log-Structured Tables in the Cloud
Jesús Camacho-Rodríguez, Ashvin Agrawal, Anja Gruenheid +6
Data processing engines increasingly leverage distributed file systems for scalable, cost-effective storage. While the Apache Parquet columnar format has become a popular choice fo…
Comprehensive and Efficient Workload Compression
Shaleen Deep, Anja Gruenheid, Paraschos Koutris +2
This work studies the problem of constructing a representative workload from a given input analytical query workload where the former serves as an approximation with guarantees of…
Online Event Integration with StoryPivot
Anja Gruenheid, Donald Kossmann, Divesh Srivastava
Modern data integration systems need to process large amounts of data from a variety of data sources and with real-time integration constraints. They are not only employed in enter…
Fault-Tolerant Entity Resolution with the Crowd
Anja Gruenheid, Besmira Nushi, Tim Kraska +2
In recent years, crowdsourcing is increasingly applied as a means to enhance data quality. Although the crowd generates insightful information especially for complex problems such…