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Ralf Diestelkämper

University of Stuttgart

9

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Debugging Missing Answers for Spark Queries over Nested Data with Breadcrumb.

2021 VLDB | Very Large Data Bases
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To not miss the forest for the trees - a holistic approach for explaining missing answers over nested data (extended version).

2021 arXiv: Databases
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Tracing nested data with structural provenance for big data analytics.

2020 EDBT | Extending Database Technology
- Ralf Diestelkämper
- Melanie Herschel
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Distributed Tree-Pattern Matching in Big Data Analytics Systems.

2020 ADBIS | Advances in Databases and Information Systems
- Ralf Diestelkämper
- Melanie Herschel
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Capturing and querying structural provenance in Spark with Pebble

2019 SIGMOD | International Conference on Management of Data
- Ralf Diestelkämper
- Melanie Herschel
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Query-based Why-not Explanations for Nested Data

2019
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