Research Groups

◦ Emphasis on solving 'real' problems with 'future' impact
◦ Problem formulation from experience of software systems development
◦ State-of-art technology updates from Silicon Valley
◦ Leverage SAP's global R&D network through SAP Korea labs
◦ Value on Publishing 'software systems' to the real world
◦ More difficult but rewarding than only publishing a paper
◦ SAP Ph.D. research program to be available(contact Prof.Cha)
◦ Financial support & access to research issues of SAP-internal project
◦ Early test of the state-of-art HW provided by SAP partners such as Intel(e.g., 32-core Intel Nehalem EX servers)

Exploit hardware-level(multi-cores with shared L2 cache) and cloud-level parallelism for real-time processing

Data partitioning over column and row storage table types

Join query processing over a mixture of row and column storage tables

A Performance Anomaly Detection and Analysis Framework for DBMS Development
D Lee, SK Cha, AH Lee
Knowledge and Data Engineering, IEEE Transactions on, Aug 2012

SAP HANA database: data management for modern business applications
F Färber, SK Cha, J Primsch, C Bornhövd, S Sigg, Wolfgang Lehner
Newsletter, ACM SIGMOD Record Volume 40 Issue 4, Dec 2011

Efficient transaction processing in SAP HANA database: the end of a column store myth
V Sikka, F Färber, W Lehner, SK Cha, T Peh, Christof Bornhövd
SIGMOD '12 Proceedings of the 2012 ACM SIGMOD International Conference on Management of Data