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DATASCIENCE
2008
79views more  DATASCIENCE 2008»
14 years 9 months ago
Report from the first Workshop on Extremely Large Databases
Industrial and scientific datasets have been growing enormously in size and complexity in recent years. The largest transactional databases and data warehouses can no longer be ho...
Jacek Becla, Kian-Tat Lim
SIGMOD
2011
ACM
248views Database» more  SIGMOD 2011»
14 years 14 days ago
Llama: leveraging columnar storage for scalable join processing in the MapReduce framework
To achieve high reliability and scalability, most large-scale data warehouse systems have adopted the cluster-based architecture. In this paper, we propose the design of a new clu...
Yuting Lin, Divyakant Agrawal, Chun Chen, Beng Chi...
JDWM
2006
178views more  JDWM 2006»
14 years 9 months ago
Improved Data Partitioning for Building Large ROLAP Data Cubes in Parallel
The pre-computation of data cubes is critical to improving the response time of On-Line Analytical Processing (OLAP) systems and can be instrumental in accelerating data mining ta...
Ying Chen, Frank K. H. A. Dehne, Todd Eavis, Andre...
DAWAK
2005
Springer
15 years 3 months ago
A Tree Comparison Approach to Detect Changes in Data Warehouse Structures
Abstract. We present a technique for discovering and representing changes between versions of data warehouse structures. We select a tree comparison algorithm, adapt it for the par...
Johann Eder, Christian Koncilia, Karl Wiggisser
ICEIS
2003
IEEE
15 years 3 months ago
A Bitemporal Storage Structure for a Corporate Data Warehouse
: This paper brings together two research areas, i.e. “Data Warehouses” and “Temporal Databases”, involving representation of time. Looking at temporal aspects within a dat...
Alberto Abelló, Carme Martín