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Rainer Gemulla

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Articles by Rainer Gemulla

[2601.08998] On the Flakiness of LLM-Generated Tests for Industrial and Open-Source Database Management Systems

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By Thomas Bach, Rainer Gemulla, Sebastian Baltes, Marcus Kessel
| arXiv
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Designing Random Sample Synopses with Outliers.

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By Rainer Gemulla, Wolfgang Lehner, Philipp Rösch
| tu-dresden.de
Designing Random Sample Synopses with Outliers. Research output: Contribution to book/Conference proceedings/Anthology/Report › Conference contribution › Contributed › peer-review
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Non-uniformity issues and workarounds in bounded-size sampling.

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By Peter Haas, Wolfgang Lehner, Rainer Gemulla
| tu-dresden.de
Non-uniformity issues and workarounds in bounded-size sampling. Research output: Contribution to journal › Research article › Contributed › peer-review
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Derby/S: A DBMS for sample-based query answering

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By Anja Klein, Rainer Gemulla, Philipp Rösch, Wolfgang Lehner
| tu-dresden.de
Although approximate query processing is a prominent way to cope with the requirements of data analysis applications, current database systems do not provide integrated and comprehensive support for these techniques. To improve this situation, we propose an SQL extension - -called SQL/S - -for approximate query answering using random samples, and present a prototypical implementation within the engine of the open-source database system Derby - -called Derby/S.
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