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- Franz Färber, Sang Kyun Cha, Jürgen Primsch, Christof Bornhövd, Stefan Sigg, Wolfgang Lehner
- SIGMOD Record
- 2011
The SAP HANA database is positioned as the core of the SAP HANA Appliance to support complex business analytical processes in combination with transactionally consistent operational workloads. Within… (More)
- Franz Färber, Norman May, +4 authors Jonathan Dees
- IEEE Data Eng. Bull.
- 2012
Requirements of enterprise applications have become much more demanding because they execute complex reports on transactional data while thousands of users may read or update records of the same… (More)
- Vishal Sikka, Franz Färber, Wolfgang Lehner, Sang Kyun Cha, Thomas Peh, Christof Bornhövd
- SIGMOD Conference
- 2012
The SAP HANA database is the core of SAP's new data management platform. The overall goal of the SAP HANA database is to provide a generic but powerful system for different query scenarios, both… (More)
- Wolfgang Lehner, Jens Albrecht, Hartmut Wedekind
- SSDBM
- 1998
- Benjamin Schlegel, Rainer Gemulla, Wolfgang Lehner
- DaMoN
- 2009
This paper presents novel tree-based search algorithms that exploit the SIMD instructions found in virtually all modern processors. The algorithms are a natural extension of binary search: While… (More)
- Wolfgang Lehner
- EDBT
- 1998
In the recent past, different multidimensional data models were introduced to model OLAP (‘Online Analytical Processing’) scenarios. Design problems arise, when the modeled OLAP scenarios become very… (More)
- Jingren Zhou, Per-Ã…ke Larson, Johann-Christoph Freytag, Wolfgang Lehner
- SIGMOD Conference
- 2007
Complex queries often contain common or similar subexpressions, either within a single query or among multiple queries submitted as a batch. If so, query execution time can be improved by evaluating… (More)
- Ismail Oukid, Johan Lasperas, Anisoara Nica, Thomas Willhalm, Wolfgang Lehner
- SIGMOD Conference
- 2016
The advent of Storage Class Memory (SCM) is driving a rethink of storage systems towards a single-level architecture where memory and storage are merged. In this context, several works have… (More)
- Benjamin Schlegel, Thomas Willhalm, Wolfgang Lehner
- ADMS@VLDB
- 2011
In this paper, we focus on sorted-set intersection which is an important part in many algorithms, e.g., RID-list intersection, inverted indexes, and others. In contrast to traditional scalar… (More)
- Rainer Gemulla, Wolfgang Lehner
- SIGMOD Conference
- 2008
Random sampling is an appealing approach to build synopses of large data streams because random samples can be used for a broad spectrum of analytical tasks. Users are often interested in analyzing… (More)