All Stories

  1. Enterprise Application-Database Co-Innovation for Hybrid Transactional/Analytical Processing: A Virtual Data Model and Its Query Optimization Needs

    Article • June 2025, ACM (Association for Computing Machinery)

    Norman May

  2. SAP HANA Cloud: Data Management for Modern Enterprise Applications

    Article • June 2025, ACM (Association for Computing Machinery)

    Norman May

  3. Cooperative Memory Management for Table and Temporary Data

    Article • June 2023, ACM (Association for Computing Machinery)

    Norman May

  4. KeRRaS: Sort-Based Database Query Processing on Wide Tables Using FPGAs

    Article • June 2023, ACM (Association for Computing Machinery)

    Norman May, Christian Faerber

  5. International Workshop on Data Management on New Hardware (DaMoN)

    Article • June 2023, ACM (Association for Computing Machinery)

    Norman May

  6. A Study of Early Aggregation in Database Query Processing on FPGAs

    Article • February 2023, ACM (Association for Computing Machinery)

    Norman May, Christian Faerber

  7. Hardware acceleration of compression and encryption in SAP HANA

    Article • Proceedings of the VLDB Endowment, August 2022, ACM (Association for Computing Machinery)

    Norman May

  8. Cost modelling for optimal data placement in heterogeneous main memory

    Article • Proceedings of the VLDB Endowment, July 2022, ACM (Association for Computing Machinery)

    Norman May

  9. International Workshop on Data Management on New Hardware (DaMoN)

    Article • June 2022, ACM (Association for Computing Machinery)

    Norman May

  10. FPGA-Based Database Query Processing on Arbitrarily Wide Tables

    Article • May 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Norman May

  11. Workload-Driven Placement of Column-Store Data Structures on DRAM and NVM

    Article • June 2021, ACM (Association for Computing Machinery)

    Norman May

  12. Resource-Efficient Database Query Processing on FPGAs

    Article • June 2021, ACM (Association for Computing Machinery)

    Norman May, Christian Faerber

  13. Small Selectivities Matter: Lifting the Burden of Empty Samples

    Article • June 2021, ACM (Association for Computing Machinery)

    Norman May

  14. Faster & strong: string dictionary compression using sampling and fast vectorized decompression

    Article • The VLDB Journal, July 2020, Springer Science + Business Media

    Norman May

  15. Comparative analysis of OpenCL and RTL for sort-merge primitives on FPGA

    Article • June 2020, ACM (Association for Computing Machinery)

    Norman May

  16. Accelerating re-pair compression using FPGAs

    Article • June 2020, ACM (Association for Computing Machinery)

    Norman May

  17. FPGA-Accelerated compression of integer vectors

    Article • June 2020, ACM (Association for Computing Machinery)

    Norman May

  18. Robust Performance of Main Memory Data Structures by Configuration

    Article • May 2020, ACM (Association for Computing Machinery)

    Ilia Petrov, Norman May

  19. Bridging the Latency Gap between NVM and DRAM for Latency-bound Operations

    Article • July 2019, ACM (Association for Computing Machinery)

    Norman May

  20. Fast & Strong

    Article • July 2019, ACM (Association for Computing Machinery)

    Norman May

  21. Interleaving with coroutines: a systematic and practical approach to hide memory latency in index joins

    Article • The VLDB Journal, December 2018, Springer Science + Business Media

    Norman May

  22. Robustness metrics for relational query execution plans

    Article • Proceedings of the VLDB Endowment, July 2018, ACM (Association for Computing Machinery)

    Norman May

  23. Optimization Strategies for Integration Pattern Compositions

    Article • June 2018, ACM (Association for Computing Machinery)

    Norman May

  24. On the Calculation of Optimality Ranges for Relational Query Execution Plans

    Article • May 2018, ACM (Association for Computing Machinery)

    Norman May

  25. Interleaving with coroutines

    Article • Proceedings of the VLDB Endowment, October 2017, ACM (Association for Computing Machinery)

    Norman May

  26. Hardware Accelerated Application Integration Processing

    Article • June 2017, ACM (Association for Computing Machinery)

    Norman May

  27. Adaptive NUMA-aware data placement and task scheduling for analytical workloads in main-memory column-stores

    Article • Proceedings of the VLDB Endowment, October 2016, ACM (Association for Computing Machinery)

    Norman May

  28. Scaling up concurrent main-memory column-store scans

    Article • Proceedings of the VLDB Endowment, August 2015, ACM (Association for Computing Machinery)

    Norman May

  29. Extending database task schedulers for multi-threaded application code

    Article • June 2015, ACM (Association for Computing Machinery)

    Norman May

  30. Managed Query Processing within the SAP HANA Database Platform

    Article • Datenbank-Spektrum, June 2015, Springer Science + Business Media

    Norman May

  31. Bi-temporal Timeline Index: A data structure for Processing Queries on bi-temporal data

    Article • April 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Norman May

  32. A study of partitioning and parallel UDF execution with the SAP HANA database

    Article • June 2014, ACM (Association for Computing Machinery)

    Norman May

  33. Exploiting ordered dictionaries to efficiently construct histograms with q-error guarantees in SAP HANA

    Article • June 2014, ACM (Association for Computing Machinery)

    Norman May

  34. Distributed snapshot isolation: global transactions pay globally, local transactions pay locally

    Article • The VLDB Journal, June 2014, Springer Science + Business Media

    Norman May

  35. TPC-BiH: A Benchmark for Bitemporal Databases

    Article • January 2014, Springer Science + Business Media

    Norman May

  36. DeltaNI

    Article • June 2013, ACM (Association for Computing Machinery)

    Norman May

  37. A generic database benchmarking service

    Article • April 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Norman May

  38. Normalization and Translation of XQuery

    Article • January 2010, IGI Global

    Norman May

  39. Unnesting Scalar SQL Queries in the Presence of Disjunction

    Article • April 2007, Institute of Electrical & Electronics Engineers (IEEE)

    Norman May

  40. Strategies for query unnesting in XML databases

    Article • ACM Transactions on Database Systems, September 2006, ACM (Association for Computing Machinery)

    Norman May

  41. Natix Visual Interfaces

    Article • January 2006, Springer Science + Business Media

    Norman May

  42. Index vs. Navigation in XPath Evaluation

    Article • January 2006, Springer Science + Business Media

    Norman May

  43. Main Memory Implementations for Binary Grouping

    Article • January 2005, Springer Science + Business Media

    Norman May

  44. Three Cases for Query Decorrelation in XQuery

    Article • January 2003, Springer Science + Business Media

    Norman May

  45. Quantifiers in XQuery

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Norman May

  46. Nested queries and quantifiers in an ordered context

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Norman May

  47. Efficient XQuery Evaluation of Grouping Conditions with Duplicate Removals

    Article • Springer Science + Business Media

    Norman May