publications

@article{gubner2025freely,
  title = {{Freely Moving between the OLTP and OLAP Worlds: Hermes-An High-Performance OLAP Accelerator for MySQL}},
  author = {Gubner, Tim and Humborstad, Rune and Lu, Manyi},
  journal = {PVLDB},
  volume = {18},
  number = {12},
  pages = {5113--5125},
  year = {2025},
  doi = {10.14778/3750601.3750631},
}

@phdthesis{gubner2024adaptive,
  author = {Gubner, Tim},
  title = {{Adaptively Generating Heterogeneous Execution Strategies using the VOILA Framework}},
  school = {Vrije Universiteit Amsterdam},
  year = {2024},
  doi = {10.5463/thesis.727},
}

@inproceedings{kisous2023near,
  author = {Kisous, Roei and Golander, Amit and Korman, Yigal and Gubner, Tim and Humborstad, Rune and Lu, Manyi},
  title = {{Near-Memory Processing Offload to Remote (Persistent) Memory}},
  year = {2023},
  url = {https://doi.org/10.1145/3579370.3594745},
  doi = {10.1145/3579370.3594745},
  booktitle = {SYSTOR}
}

@article{gubner2022excalibur,
  title = {{Excalibur: A Virtual Machine for Adaptive Fine-grained JIT-Compiled Query Execution based on VOILA}},
  author = {Gubner, Tim and Boncz, Peter},
  journal = {PVLDB},
  volume = {16},
  number = {4},
  pages = {829--841},
  year = {2022},
  doi = {10.14778/3574245.3574266},
}

@article{gubner2021charting,
  title = {{Charting the Design Space of Query Execution using VOILA}},
  author = {Gubner, Tim and Boncz, Peter},
  journal = {PVLDB},
  volume = {14},
  number = {6},
  pages = {1067--1079},
  year = {2021},
  doi = {10.14778/3447689.3447709},
}

@article{gubner2021highlighting,
  title = {{Highlighting the Performance Diversity of Analytical Queries using VOILA}},
  author = {Gubner, Tim and Boncz, Peter},
  journal = {ADMS@VLDB},
  year = {2021},
}

@article{gubner2021optimistically,
  title = {{Optimistically Compressed Hash Tables \& Strings in the USSR}},
  author = {Gubner, Tim and Leis, Viktor and Boncz, Peter},
  journal = {SIGMOD Record},
  volume = {50},
  number = {1},
  pages = {60--67},
  year = {2021},
  doi = {10.1145/3471485.3471500},
}

@inproceedings{gubner2020compact,
  title = {{Efficient Query Processing with Optimistically Compressed Hash Tables \& Strings in the USSR}},
  author = {Gubner, Tim and Leis, Viktor and Boncz, Peter},
  booktitle = {ICDE},
  pages = {301--312},
  year = {2020},
  organization = {IEEE},
  doi = {10.1109/ICDE48307.2020.00033},
}

@inproceedings{gubner2019fluid,
  title = {{Fluid Co-processing: GPU Bloom-filters for CPU Joins}},
  author = {Gubner, Tim and Tom{\'e}, Diego and Lang, Harald and Boncz, Peter},
  booktitle = {DaMoN@SIGMOD},
  pages = {1--10},
  year = {2019},
  doi = {10.1145/3329785.3329934},
}

@inproceedings{raasveldt2018fair,
  title = {{Fair Benchmarking Considered Difficult: Common Pitfalls In Database Performance Testing}},
  author = {Raasveldt, Mark and Holanda, Pedro and Gubner, Tim and M{\"u}hleisen, Hannes},
  booktitle = {DBTEST@SIGMOD},
  pages = {1--6},
  year = {2018},
  doi = {10.1145/3209950.3209955},
}

@inproceedings{tome2018optimizing,
  title = {{Optimizing Group-By and Aggregation using GPU-CPU Co-Processing}},
  author = {Tom{\'e}, Diego and Gubner, Tim and Raasveldt, Mark and Rozenberg, Eyal and Boncz, Peter},
  booktitle = {ADMS@VLDB},
  pages = {1--10},
  year = {2018},
}

@inproceedings{gubner2018designing,
  title = {{Designing an adaptive VM that combines vectorized and JIT execution on heterogeneous hardware}},
  author = {Gubner, Tim},
  booktitle = {ICDE},
  pages = {1684--1688},
  year = {2018},
  organization = {IEEE},
  doi = {10.1109/ICDE.2018.00215},
}

@inproceedings{gubner2017exploring,
  title = {{Exploring Query Execution Strategies for JIT, Vectorization and SIMD}},
  author = {Gubner, Tim and Boncz, Peter},
  booktitle = {ADMS@VLDB},
  volume = {2},
  pages = {18--22},
  year = {2017},
}

@mastersthesis{gubner2014achieving,
  author = {Gubner, Tim},
  title = {{Achieving many-core scalability in Vectorwise}},
  year = {2014},
  school = {TU Ilmenau},
}