Alfons Kemper

About

Alfons Kemper is Professor at Technical University of Munich (TUM) and Principal Technical Advisor at Tableau. He holds a Ph.D. degree in Computer Science from the University of Southern California (USC) and a Habilitation Doctorate from the Karlsruhe Institute of Technology (KIT). After professorships at Karlsruhe Institute of Technology, the Technical University of Aachen (RWTH), and the University of Passau he now holds the Chair for Database Systems at TUM. There, he initiated and together with his colleague Thomas Neumann led the development of the innovative New-SQL database system HyPer (http://www.hyper-db.com) that was acquired by Tableau in 2016. Together with many of his Ph.D. graduates he joined the new Tableau Development Center in Munich to further develop and optimize Hyper to become Tableaus backbone query engine. Alfons' research interests focus on advanced scalable database and data exploration systems. The various research projects and publications can be found on the Database group's website at TUM (http://www-db.in.tum.de).

 

Selected (Recent) Publications

[1]  Reinhard Braumandl, Alfons Kemper, and Donald Kossmann. Quality of Service in an Information Economy. ACM Transactions on Internet Technology (TOIT), Vol. 3, No. 4, pages 291 - 333, 2003 


[2]  Stefan Aulbach, Dean Jacobs, Alfons Kemper, and Michael Seibold. A Comparison of Flexible Schemas for Software as a Service. In Proc. ACM SIGMOD Conference on Management of Data, Providence, RI, USA, June 2009. 


[3]  Alfons Kemper and Thomas Neumann. HyPer – A Hybrid OLTP&OLAP Main Memory Database System Based on Virtual Memory Snapshots. In Proc. IEEE International Conference on Data Engineering (ICDE), Hannover 2011. 


[4]  Martina Albutiu, Alfons Kemper, and Thomas Neumann. Massively parallel sort-merge joins in main memory multi-core database systems. PVLDB, 5(10):1064–1075, 2012. 


[5]  Alfons Kemper and Andre Eickler. Datenbanksysteme - Eine Einführung, 10. Edition. Oldenbourg, 2015 (most used German database textbook). 


[6]  Viktor Leis, Alfons Kemper, and Thomas Neumann. Exploiting hardware transactional memory in main-memory databases. In Proc. IEEE International Conference on Data Engineering (ICDE), 2014. Best Paper Award. 


[7]  Viktor Leis, Peter Boncz, Alfons Kemper, and Thomas Neumann. Morsel-driven parallelism: A NUMA-aware query evaluation framework for the many-core age. In Proc. ACM SIGMOD Conference on Management of Data, 2014. 


[8]  Harald Lang, Tobias Mühlbauer, Florian Funke, Peter Boncz, Thomas Neumann, and Alfons Kemper. Data Blocks: Hybrid OLTP and OLAP on Com- pressed Storage using both Vectorization and Compilation. ACM SIGMOD International Conference on Management of Data (SIGMOD 2016), June 26 - July 1, 2016, San Francisco, USA 


[9]  Wolf Rödiger, Tobias Mühlbauer, Alfons Kemper, and Thomas Neumann. High-Speed Query Processing over High-Speed Networks. 42nd International Conference on Very Large Databases (VLDB 2016), September 5 - 9, 2016, Delhi, India. 


[10]  Robert Brunel, Norman May, and Alfons Kemper. Index-Assisted Hierarchical Computations in Main-Memory RDBMS. 42nd International Conference on Very Large Databases (VLDB 2016), September 5 - 9, 2016, Delhi, India.