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@DataManagementLab Systems Group at TU Darmstadt

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    97 repositories

    • semantic_histograms

      Public
      Selectivity Estimation for Semantic Filters on Image Data
      Python
      •
      MIT License
      •0•0•0•0•Updated Jun 5, 2026Jun 5, 2026

    • BespokeCard

      Public
      Synthesized cardinality estimators and sourcecode of Bespoke-Card
      Python
      •
      Apache License 2.0
      •0•1•0•0•Updated Jun 3, 2026Jun 3, 2026

    • BespokeOLAP_Artifacts

      Public
      Generated CPP Artifacts of Bespoke OLAP: Bespoke-TPCH & Bespoke-CEB
      C++
      •
      Apache License 2.0
      •0•5•0•0•Updated Jun 1, 2026Jun 1, 2026

    • reflex-smpc-analytics

      Public
      Improving the Performance of Secure Data Analytics via Controlled Intermediate Result Size Disclosure
      Python
      •0•1•0•0•Updated May 29, 2026May 29, 2026

    • PystachIO

      Public
      This is the source code for our published paper at VLDB’26: PystachIO: Efficient Distributed GPU Query Processing with PyTorch over Fast Networks & Fast Storage…
      Python
      •
      MIT License
      •0•2•0•0•Updated May 26, 2026May 26, 2026

    • pretix-cas

      Public
      Python
      •
      Other
      •0•0•2•0•Updated May 7, 2026May 7, 2026

    • BespokeOLAP

      Public
      Bespoke OLAP: Synthesizing Workload-Specific One-size-fits-one Database Engines
      Python
      •
      Apache License 2.0
      •9•43•1•0•Updated Apr 30, 2026Apr 30, 2026

    • wannadb

      Public
      WannaDB: Ad-hoc SQL Queries over Text Collections
      Python
      •
      Other
      •4•9•0•3•Updated Apr 28, 2026Apr 28, 2026

    • ParquetRewriter

      Public
      Rust
      •0•3•0•0•Updated Mar 29, 2026Mar 29, 2026

    • Samsara-demo

      Public
      Python
      •0•0•0•0•Updated Mar 26, 2026Mar 26, 2026

    • Samsara

      Public
      Repository for Samsara: Towards a Multimodal Stream Processing System
      Python
      •
      Apache License 2.0
      •2•4•0•0•Updated Feb 17, 2026Feb 17, 2026

    • stretto

      Public
      The Stretto Execution Engine for LLM-Augmented Data Systems
      Python
      •
      MIT License
      •1•4•0•0•Updated Feb 16, 2026Feb 16, 2026

    • llmeval-enterprise-challenges

      Public
      Unveiling Challenges for LLMs in Enterprise Data Engineering
      Python
      •
      MIT License
      •1•5•0•0•Updated Feb 9, 2026Feb 9, 2026

    • otqa-dasp25

      Public
      Towards Complex Table Question Answering Over Tabular Data Lakes (Extended Version)
      Python
      •
      MIT License
      •0•0•0•0•Updated Feb 9, 2026Feb 9, 2026

    • PIPE-X

      Public
      This repository contains code for PIPE-X, a system providing impact measures of preprocessing steps.
      Jupyter Notebook
      •0•1•0•0•Updated Feb 1, 2026Feb 1, 2026

    • lcm-eval

      Public
      This is the source code of the SIGMOD paper: "How Good are Learned Cost Models, Really? Insights From Query Optimization Tasks"
      Python
      •
      Apache License 2.0
      •3•29•0•0•Updated Jan 21, 2026Jan 21, 2026

    • gdb_and_valgrind

      Public
      Tutorial for using GDB and Valgrind
      C
      •0•3•0•0•Updated Jan 3, 2026Jan 3, 2026

    • PIPE-X_GUI

      Public
      The code for the interactive application building on PIPE-X (https://github.com/DataManagementLab/PIPE-X) .
      0•0•0•0•Updated Dec 10, 2025Dec 10, 2025

    • perf_examples

      Public
      Examples on how to use perf
      C
      •0•2•0•0•Updated Dec 3, 2025Dec 3, 2025

    • Redbench

      Public
      Sourcecode of the paper Redbench: Workload Synthesis From Cloud Traces
      Python
      •
      Apache License 2.0
      •4•5•0•0•Updated Nov 19, 2025Nov 19, 2025

    • Redbench-Eval

      Public
      Evaluation scripts for Redbench
      Jupyter Notebook
      •
      Apache License 2.0
      •0•2•0•0•Updated Nov 3, 2025Nov 3, 2025

    • gui4de-lab25

      Public
      Graphical User Interface for LLM-based Data Engineering
      Python
      •
      MIT License
      •4•0•0•0•Updated Oct 20, 2025Oct 20, 2025

    • redbench_hillmapper

      Public
      Moderately-optimized hill climbing algorithm implementation to solve the scanset matching optimization problem relevant for Redbench.
      C++
      •
      MIT License
      •1•0•0•0•Updated Oct 20, 2025Oct 20, 2025

    • JOB-Complex

      Public
      Sourcecode of our AIDB '25 paper "JOB-Complex: A Challenging Benchmark for Traditional & Learned Query Optimization"
      Jupyter Notebook
      •3•10•0•0•Updated Sep 9, 2025Sep 9, 2025

    • justine-demo

      Public
      Demo for JUSTINE, our system for self-organizing Schemas
      Python
      •2•2•0•0•Updated Sep 2, 2025Sep 2, 2025

    • A-Vision-for-Autonomous-Data-Agent-Collaboration

      Public
      In this repository we will publish for our vision to go from Query-by-Integration to Query-by-Collaboration.
      0•0•0•0•Updated Aug 5, 2025Aug 5, 2025

    • SPFlow

      Public
      Sum Product Flow: An Easy and Extensible Library for Sum-Product Networks
      Python
      •
      Other
      •83•0•0•0•Updated Jul 11, 2025Jul 11, 2025

    • PBench

      Public
      Python
      •4•0•0•0•Updated Jul 8, 2025Jul 8, 2025

    • Graceful

      Public
      Sourcecode of our ICDE '25 paper "GRACEFUL: A Learned Cost Estimator For UDFs" (Johannes Wehrstein, Tiemo Bang, Roman Heinrich, Carsten Binnig)
      Python
      •
      Apache License 2.0
      •1•8•0•0•Updated May 14, 2025May 14, 2025

    • data_cleaning_with_latent_operators

      Public
      Code repository for the Lopster paper on data cleaning.
      Python
      •3•3•1•0•Updated Apr 30, 2025Apr 30, 2025
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