Wolfgang Lehner

ORCID

Publication Activity (10 Years)

Years Active: 1996-2024
Publications (10 Years): 214

Top Venues

University of Erlangen-Nuremberg, Germany (PHD)

Education History

University of Erlangen-Nuremberg, Germany

PHD

Publications

Anja Reusch, Julius Gonsior, Claudio Hartmann, Wolfgang Lehner
Investigating the Usage of Formulae in Mathematical Answer Retrieval. ECIR (1) (2024)
Johannes Pietrzyk, Alexander Krause, Dirk Habich, Wolfgang Lehner
Designing and Implementing a Generator Framework for a SIMD Abstraction Library. CoRR (2024)
Johannes Pietrzyk, Alexander Krause, Christian Faerber, Dirk Habich, Wolfgang Lehner
Program your (custom) SIMD instruction set on FPGA in C++. CIDR (2024)
Anja Reusch, Guilherme C. Lopes, Wilhelm Pertsch, Hannes Ueck, Julius Gonsior, Wolfgang Lehner
Selma: A Semantic Local Code Search Platform. ECIR (5) (2024)
Jerome Thiessat, Dirk Habich, Wolfgang Lehner
Steering the PostgreSQL query optimizer using hinting: State-Of-The-Art and open challenges. GvDB (2024)
Mehdi Moghaddamfar, Christian Färber, Wolfgang Lehner, Akash Kumar
KeRRaS: Sort-Based Database Query Processing on Wide Tables Using FPGAs. DaMoN (2023)
Lucas Woltmann, Jerome Thiessat, Claudio Hartmann, Dirk Habich, Wolfgang Lehner
FASTgres: Making Learned Query Optimizer Hinting Effective. Proc. VLDB Endow. 16 (11) (2023)
Wolfgang Lehner
Datenbank-Community vernetzt sich in Dresden. Datenbank-Spektrum 23 (2) (2023)
Rico Bergmann, Axel Hertzschuch, Claudio Hartmann, Dirk Habich, Wolfgang Lehner
PostBOUND: PostgreSQL with Upper Bound SPJ Query Optimization. BTW (2023)
Johannes Fett, Christian Schwarz, Urs Kober, Dirk Habich, Wolfgang Lehner
Improving GPU Matrix Multiplication by Leveraging Bit Level Granularity and Compression. BTW (2023)
Lucas Woltmann, Katja Ferger, Claudio Hartmann, Wolfgang Lehner
JumpXClass: Explainable AI for Jump Classification in Trampoline Sports. BTW (2023)
Dirk Habich, Alexander Krause, Johannes Pietrzyk, Christian Faerber, Wolfgang Lehner
Simplicity done right for SIMDified query processing on CPU and FPGA. SiMoD@SIGMOD (2023)
Juliana Hildebrandt, Dirk Habich, Wolfgang Lehner
BOUNCE: memory-efficient SIMD approach for lightweight integer compression. Distributed Parallel Databases 41 (3) (2023)
Julius Gonsior, Christian Falkenberg, Silvio Magino, Anja Reusch, Claudio Hartmann, Maik Thiele, Wolfgang Lehner
Comparing and Improving Active Learning Uncertainty Measures for Transformer Models. ADBIS (2023)
Andreas Geyer, Johannes Pietrzyk, Alexander Krause, Dirk Habich, Wolfgang Lehner, Christian Färber, Thomas Willhalm
Near to Far: An Evaluation of Disaggregated Memory for In-Memory Data Processing. DIMES@SOSP (2023)
Andreas Geyer, Alexander Krause, Dirk Habich, Wolfgang Lehner
Pipeline Group Optimization on Disaggregated Systems. CIDR (2023)
Juliana Hildebrandt, Johannes Pietrzyk, Alexander Krause, Dirk Habich, Wolfgang Lehner
Partition-based SIMD Processing and its Application to Columnar Database Systems. Datenbank-Spektrum 23 (1) (2023)
Andreas Geyer, Daniel Ritter, Dong Hun Lee, Minseon Ahn, Johannes Pietrzyk, Alexander Krause, Dirk Habich, Wolfgang Lehner
Working with Disaggregated Systems. What are the Challenges and Opportunities of RDMA and CXL? BTW (2023)
Mehdi Moghaddamfar, Norman May, Christian Färber, Wolfgang Lehner, Akash Kumar
A Study of Early Aggregation in Database Query Processing on FPGAs. FPGA (2023)
Alexandra Meliou, Sourav S. Bhowmick, Karl Aberer, Divy Agrawal, Angela Bonifati, Vanessa Braganholo, Floris Geerts, Wolfgang Lehner, Divesh Srivastava
Peer-Reviewing Processes and Incentives: Data Management Community Survey Results. SIGMOD Rec. 52 (4) (2023)
Lucas Woltmann, Patrick Damme, Claudio Hartmann, Dirk Habich, Wolfgang Lehner
Learned Selection Strategy for Lightweight Integer Compression Algorithms. EDBT (2023)
Julius Gonsior, Christian Falkenberg, Silvio Magino, Anja Reusch, Maik Thiele, Wolfgang Lehner
To Softmax, or not to Softmax: that is the question when applying Active Learning for Transformer Models. CoRR (2022)
Wolfgang Lehner
Workshop on "Reproducible Science in Data Management". Datenbank-Spektrum 22 (3) (2022)
Mehdi Moghaddamfar, Christian Färber, Norman May, Wolfgang Lehner, Akash Kumar
FPGA-Based Database Query Processing on Arbitrarily Wide Tables. FCCM (2022)
Anja Reusch, Maik Thiele, Wolfgang Lehner
Transformer-Encoder and Decoder Models for Questions on Math. CLEF (Working Notes) (2022)
Lucas Woltmann, Jonathan Drechsel, Claudio Hartmann, Wolfgang Lehner
Ingredient-based Forecast of Sold Dish Portions in Campus Canteen Kitchens. ICDE Workshops (2022)
Wolfgang Lehner, Kai-Uwe Sattler, Johann-Christoph Freytag
BTW2021 erstmals als digitale Vortragsreihe. Datenbank-Spektrum 22 (1) (2022)
Julius Gonsior, Jakob Krude, Janik Schönfelder, Maik Thiele, Wolfgang Lehner
ALWars: Combat-Based Evaluation of Active Learning Strategies. ECIR (2) (2022)
Patrick Damme, Marius Birkenbach, Constantinos Bitsakos, Matthias Boehm, Philippe Bonnet, Florina M. Ciorba, Mark Dokter, Pawel Dowgiallo, Ahmed Eleliemy, Christian Faerber, Georgios I. Goumas, Dirk Habich, Niclas Hedam, Marlies Hofer, Wenjun Huang, Kevin Innerebner, Vasileios Karakostas, Roman Kern, Tomaz Kosar, Alexander Krause, Daniel Krems, Andreas Laber, Wolfgang Lehner, Eric Mier, Marcus Paradies, Bernhard Peischl, Gabrielle Poerwawinata, Stratos Psomadakis, Tilmann Rabl, Piotr Ratuszniak, Pedro Silva, Nikolai Skuppin, Andreas Starzacher, Benjamin Steinwender, Ilin Tolovski, Pinar Tözün, Wojciech Ulatowski, Yuanyuan Wang, Izajasz P. Wrosz, Ales Zamuda, Ce Zhang, Xiaoxiang Zhu
DAPHNE: An Open and Extensible System Infrastructure for Integrated Data Analysis Pipelines. CIDR (2022)
Thomas Bach, Artur Andrzejak, Changyun Seo, Christian Bierstedt, Christian Lemke, Daniel Ritter, Dongwon Hwang, Erda Sheshi, Felix Schabernack, Frank Renkes, Gordon Gaumnitz, Jakob Martens, Lars Hömke, Michael Felderer, Michael Rudolf, Neetha Jambigi, Norman May, Robin Joy, Ruben Scheja, Sascha Schwedes, Sebastian Seibel, Sebastian Seifert, Stefan Haas, Stephan Kraft, Thomas Kroll, Tobias Scheuer, Wolfgang Lehner
Testing Very Large Database Management Systems: The Case of SAP HANA. Datenbank-Spektrum 22 (3) (2022)
Juliana Hildebrandt, Dirk Habich, Wolfgang Lehner
BOUNCE: Memory-Efficient SIMD Approach for Lightweight Integer Compression. ICDE Workshops (2022)
Magnus Müller, Lucas Woltmann, Wolfgang Lehner
Enhanced Featurization of Queries with Mixed Combinations of Predicates for ML-based Cardinality Estimation. EDBT (2022)
Sihem Amer-Yahia, Sourav S. Bhowmick, Xin Luna Dong, Stratos Idreos, Wolfgang Lehner, Divesh Srivastava
Publication Culture and Review Processes in the Data Management Community: An Open Discussion. SIGMOD Conference (2022)
Lucas Woltmann, Peter Benjamin Volk, Michael Dinzinger, Lukas Gräf, Sebastian Strasser, Johannes Schildgen, Claudio Hartmann, Wolfgang Lehner
Data Science Meets High-Tech Manufacturing - The BTW 2021 Data Science Challenge. Datenbank-Spektrum 22 (1) (2022)
Julius Gonsior, Maik Thiele, Wolfgang Lehner
ImitAL: Learned Active Learning Strategy on Synthetic Data. DS (2022)
Axel Hertzschuch, Claudio Hartmann, Dirk Habich, Wolfgang Lehner
Turbo-Charging SPJ Query Plans with Learned Physical Join Operator Selections. Proc. VLDB Endow. 15 (11) (2022)
Dirk Habich, Johannes Pietrzyk, Alexander Krause, Juliana Hildebrandt, Wolfgang Lehner
To use or not to use the SIMD gather instruction? DaMoN (2022)
Lucas Woltmann, Claudio Hartmann, Dirk Habich, Wolfgang Lehner
Aggregate-based Training Phase for ML-based Cardinality Estimation. Datenbank-Spektrum 22 (1) (2022)
Johannes Fett, Urs Kober, Christian Schwarz, Dirk Habich, Wolfgang Lehner
Accelerating Parallel Operation for Compacting Selected Elements on GPUs. J. Open Source Softw. 7 (75) (2022)
Johannes Pietrzyk, Alexander Krause, Dirk Habich, Wolfgang Lehner
To share or not to share vector registers? VLDB J. 31 (6) (2022)
Lukas Landgraf, Wolfgang Lehner, Florian Wolf, Alexander Boehm
Memory Efficient Scheduling of Query Pipeline Execution. CIDR (2022)
Julius Gonsior, Maik Thiele, Wolfgang Lehner
ImitAL: Learned Active Learning Strategy on Synthetic Data. CoRR (2022)
Anja Reusch, Maik Thiele, Wolfgang Lehner
Transformer-Encoder-Based Mathematical Information Retrieval. CLEF (2022)
Juliana Hildebrandt, Dirk Habich, Wolfgang Lehner
Towards A General SIMD Concurrent Approach to Accelerating Integer Compression Algorithms. EDBT (2022)
Johannes Fett, Urs Kober, Christian Schwarz, Dirk Habich, Wolfgang Lehner
Accelerating Parallel Operation for Compacting Selected Elements on GPUs. Euro-Par (2022)
Lars Kegel, Claudio Hartmann, Maik Thiele, Wolfgang Lehner
Season- and Trend-aware Symbolic Approximation for Accurate and Efficient Time Series Matching. Datenbank-Spektrum 21 (3) (2021)
Axel Hertzschuch, Claudio Hartmann, Dirk Habich, Wolfgang Lehner
Simplicity Done Right for Join Ordering. CIDR (2021)
Johannes Fett, Annett Ungethüm, Dirk Habich, Wolfgang Lehner
The Case for SIMDified Analytical Query Processing on GPUs. DaMoN (2021)
Mehdi Moghaddamfar, Christian Färber, Wolfgang Lehner, Norman May, Akash Kumar
Resource-Efficient Database Query Processing on FPGAs. DaMoN (2021)
Julius Gonsior, Maik Thiele, Wolfgang Lehner
ImitAL: Learning Active Learning Strategies from Synthetic Data. CoRR (2021)
Lucas Woltmann, Dominik Olwig, Claudio Hartmann, Dirk Habich, Wolfgang Lehner
PostCENN: PostgreSQL with Machine Learning Models for Cardinality Estimation. Proc. VLDB Endow. 14 (12) (2021)
Axel Hertzschuch, Guido Moerkotte, Wolfgang Lehner, Norman May, Florian Wolf, Lars Fricke
Small Selectivities Matter: Lifting the Burden of Empty Samples. SIGMOD Conference (2021)
Lars Kegel, Claudio Hartmann, Maik Thiele, Wolfgang Lehner
Accurate and Efficient Time Series Matching by Season- and Trend-aware Symbolic Approximation - Extended Version Including Additional Evaluation and Proofs. CoRR (2021)
Anja Reusch, Maik Thiele, Wolfgang Lehner
TU_DBS in the ARQMath Lab 2021, CLEF. CLEF (Working Notes) (2021)
Mikhail Zarubin, Patrick Damme, Alexander Krause, Dirk Habich, Wolfgang Lehner
SIMD-MIMD cocktail in a hybrid memory glass: shaken, not stirred. SYSTOR (2021)
Anja Reusch, Maik Thiele, Wolfgang Lehner
An ALBERT-based Similarity Measure for Mathematical Answer Retrieval. SIGIR (2021)
Michael Günther, Maik Thiele, Julius Gonsior, Wolfgang Lehner
Pre-Trained Web Table Embeddings for Table Discovery. aiDM@SIGMOD (2021)
Johannes Fett, Annett Ungethüm, Dirk Habich, Wolfgang Lehner
Towards Porting Hardware-Oblivious Vectorized Query Operators to GPUs. GvDB (2021)
Annett Ungethüm, Lennart Schmidt, Johannes Pietrzyk, Dirk Habich, Wolfgang Lehner
Mastering the NEC Vector Engine Accelerator for Analytical Query Processing. ICDE Workshops (2021)
Lucas Woltmann, Claudio Hartmann, Dirk Habich, Wolfgang Lehner
Aggregate-based Training Phase for ML-based Cardinality Estimation. BTW (2021)
Juliana Hildebrandt, André Berthold, Dirk Habich, Wolfgang Lehner
LCTL: Lightweight Compression Template Library. IEEE BigData (2021)
Anja Reusch, Alexander Weber, Maik Thiele, Wolfgang Lehner
RecipeGM: A Hierarchical Recipe Generation Model. ICDE Workshops (2021)
Mikhail Zarubin, Thomas Kissinger, Dirk Habich, Thomas Willhalm, Wolfgang Lehner
Efficient compute node-local replication mechanisms for NVRAM-centric data structures. VLDB J. 29 (2-3) (2020)
Muhammad Idris, Martín Ugarte, Stijn Vansummeren, Hannes Voigt, Wolfgang Lehner
General dynamic Yannakakis: conjunctive queries with theta joins under updates. VLDB J. 29 (2-3) (2020)
Juliana Hildebrandt, Dirk Habich, Wolfgang Lehner
Integrating Lightweight Compression Capabilities into Apache Arrow. DATA (2020)
Lucas Woltmann, Claudio Hartmann, Dirk Habich, Wolfgang Lehner
Machine Learning-based Cardinality Estimation in DBMS on Pre-Aggregated Data. CoRR (2020)
Lucas Lersch, Ivan Schreter, Ismail Oukid, Wolfgang Lehner
Enabling Low Tail Latency on Multicore Key-Value Stores. Proc. VLDB Endow. 13 (7) (2020)
Rana Faisal Munir, Alberto Abelló, Oscar Romero, Maik Thiele, Wolfgang Lehner
Configuring Parallelism for Hybrid Layouts Using Multi-Objective Optimization. Big Data 8 (3) (2020)
Michael Günther, Maik Thiele, Wolfgang Lehner
Retro: Relation Retrofitting For In-Database Machine Learning on Textual Data. EDBT (2020)
Michael Günther, Philipp Oehme, Maik Thiele, Wolfgang Lehner
Learning from Textual Data in Database Systems. CIKM (2020)
Robin Rehrmann, Martin Keppner, Wolfgang Lehner, Carsten Binnig, Arne Schwarz
Workload merging potential in SAP Hybris. DBTest@SIGMOD (2020)
Patrick Damme, Annett Ungethüm, Johannes Pietrzyk, Alexander Krause, Dirk Habich, Wolfgang Lehner
MorphStore: Analytical Query Engine with a Holistic Compression-Enabled Processing Model. Proc. VLDB Endow. 13 (11) (2020)
Robin Rehrmann, Carsten Binnig, Alexander Böhm, Kihong Kim, Wolfgang Lehner
Sharing Opportunities for OLTP Workloads in Different Isolation Levels. Proc. VLDB Endow. 13 (10) (2020)
Annett Ungethüm, Johannes Pietrzyk, Patrick Damme, Alexander Krause, Dirk Habich, Wolfgang Lehner, Erich Focht
Hardware-Oblivious SIMD Parallelism for In-Memory Column-Stores. CIDR (2020)
Julius Gonsior, Josephine Rehak, Maik Thiele, Elvis Koci, Michael Günther, Wolfgang Lehner
Active Learning for Spreadsheet Cell Classification. EDBT/ICDT Workshops (2020)
Michael Günther, Paul Sikorski, Maik Thiele, Wolfgang Lehner
FacetE: exploiting web tables for domain-specific word embedding evaluation. DBTest@SIGMOD (2020)
Alexander Krause, Dirk Habich, Wolfgang Lehner
Scalable In-Memory Graph Pattern Matching on Symmetric Multiprocessor Systems. SFDI/LSGDA@VLDB (2020)
Rana Faisal Munir, Alberto Abelló, Oscar Romero, Maik Thiele, Wolfgang Lehner
A cost-based storage format selector for materialized results in big data frameworks. Distributed Parallel Databases 38 (2) (2020)
Patrick Damme, Annett Ungethüm, Johannes Pietrzyk, Alexander Krause, Dirk Habich, Wolfgang Lehner
MorphStore: Analytical Query Engine with a Holistic Compression-Enabled Processing Model. CoRR (2020)
Claudio Hartmann, Lars Kegel, Wolfgang Lehner
Feature-aware forecasting of large-scale time series data sets. it Inf. Technol. 62 (3-4) (2020)
Lucas Woltmann, Claudio Hartmann, Dirk Habich, Wolfgang Lehner
Best of both worlds: combining traditional and machine learning models for cardinality estimation. aiDM@SIGMOD (2020)
Mikhail Zarubin, Patrick Damme, Dirk Habich, Wolfgang Lehner
Polymorphic Compressed Replication of Columnar Data in Scale-Up Hybrid Memory Systems. SYSTOR (2020)
Johannes Pietrzyk, Dirk Habich, Wolfgang Lehner
To share or not to share vector registers? DaMoN (2020)
Mehdi Moghaddamfar, Christian Färber, Wolfgang Lehner, Norman May
Comparative analysis of OpenCL and RTL for sort-merge primitives on FPGA. DaMoN (2020)
Frank Tetzel, Wolfgang Lehner, Romans Kasperovics
Efficient Compilation of Regular Path Queries. Datenbank-Spektrum 20 (3) (2020)
Julius Gonsior, Maik Thiele, Wolfgang Lehner
WeakAL: Combining Active Learning and Weak Supervision. DS (2020)
Michael Günther, Maik Thiele, Erik Nikulski, Wolfgang Lehner
RetroLive: Analysis of Relational Retrofitted Word Embeddings. EDBT (2020)
Patrick Damme, Annett Ungethüm, Juliana Hildebrandt, Dirk Habich, Wolfgang Lehner
From a Comprehensive Experimental Survey to a Cost-based Selection Strategy for Lightweight Integer Compression Algorithms. ACM Trans. Database Syst. 44 (3) (2019)
Michael Günther, Maik Thiele, Wolfgang Lehner
Fast Approximated Nearest Neighbor Joins For Relational Database Systems. BTW (2019)
Alexander Krause, Annett Ungethüm, Thomas Kissinger, Dirk Habich, Wolfgang Lehner
NeMeSys - Energy Adaptive Graph Pattern Matching on NUMA-based Multiprocessor Systems. BTW (2019)
Martin Hahmann, Claudio Hartmann, Lars Kegel, Wolfgang Lehner
Large-Scale Time Series Analytics - Novel Approaches for Generation and Prediction. Datenbank-Spektrum 19 (1) (2019)
Johannes Luong, Dirk Habich, Wolfgang Lehner
DataCalc: Ad-hoc Analyses on Heterogeneous Data Sources. IEEE BigData (2019)
Rana Faisal Munir, Alberto Abelló, Oscar Romero, Maik Thiele, Wolfgang Lehner
Automatically Configuring Parallelism for Hybrid Layouts. ADBIS (Short Papers and Workshops) (2019)
Dirk Habich, Patrick Damme, Annett Ungethüm, Johannes Pietrzyk, Alexander Krause, Juliana Hildebrandt, Wolfgang Lehner
MorphStore - In-Memory Query Processing based on Morphing Compressed Intermediates LIVE. SIGMOD Conference (2019)
Alexander Krause, Thomas Kissinger, Dirk Habich, Wolfgang Lehner
NeMeSys - A Showcase of Data Oriented Near Memory Graph Processing. SIGMOD Conference (2019)
Lucas Woltmann, Claudio Hartmann, Maik Thiele, Dirk Habich, Wolfgang Lehner
Cardinality estimation with local deep learning models. aiDM@SIGMOD (2019)
Frank Tetzel, Romans Kasperovics, Wolfgang Lehner
Graph Traversals for Regular Path Queries. GRADES/NDA@SIGMOD/PODS (2019)
Lucas Woltmann, Claudio Hartmann, Wolfgang Lehner
Assessing the Impact of Driving Bans with Data Analysis. BTW (Workshops) (2019)
Elvis Koci, Maik Thiele, Oscar Romero, Wolfgang Lehner
A Genetic-Based Search for Adaptive Table Recognition in Spreadsheets. ICDAR (2019)
Gerhard P. Fettweis, Meik Dorpinghaus, Jerónimo Castrillón, Akash Kumar, Christel Baier, Karlheinz Bock, Frank Ellinger, Andreas Fery, Frank H. P. Fitzek, Hermann Härtig, Kambiz Jamshidi, Thomas Kissinger, Wolfgang Lehner, Michael Mertig, Wolfgang E. Nagel, Giang T. Nguyen, Dirk Plettemeier, Michael Schröter, Thorsten Strufe
Architecture and Advanced Electronics Pathways Toward Highly Adaptive Energy- Efficient Computing. Proc. IEEE 107 (1) (2019)

Wolfgang Lehner.css-eqlu8i{font-size:small;padding-left:4px;}

Publication Activity (10 Years)

Top Topics

Top Venues

Wolfgang Lehner