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SIGMOD
2012
ACM
383views Database» more  SIGMOD 2012»
7 years 1 months ago
Dynamic workload driven data integration in tableau
Tableau is a commercial business intelligence (BI) software tool that supports interactive, visual analysis of data. Armed with a visual interface to data and a focus on usability...
Kristi Morton, Ross Bunker, Jock D. Mackinlay, Rob...
DAWAK
2011
Springer
7 years 11 months ago
OLAP Formulations for Supporting Complex Spatial Objects in Data Warehouses
In recent years, there has been a large increase in the amount of spatial data obtained from remote sensing, GPS receivers, communication terminals and other domains. Data warehous...
Ganesh Viswanathan, Markus Schneider
SIGMOD
2011
ACM
297views Database» more  SIGMOD 2011»
8 years 2 months ago
Graph cube: on warehousing and OLAP multidimensional networks
We consider extending decision support facilities toward large sophisticated networks, upon which multidimensional attributes are associated with network entities, thereby forming...
Peixiang Zhao, Xiaolei Li, Dong Xin, Jiawei Han
SIGMOD
2011
ACM
221views Database» more  SIGMOD 2011»
8 years 2 months ago
Scalable query rewriting: a graph-based approach
In this paper we consider the problem of answering queries using views, which is important for data integration, query optimization, and data warehouses. We consider its simplest ...
George Konstantinidis, José Luis Ambite
HICSS
2011
IEEE
183views Biometrics» more  HICSS 2011»
8 years 3 months ago
Optimizing Access across Multiple Hierarchies in Data Warehouses
In enterprise data warehouses, different users in different business units often define their own application specific dimension hierarchies tailor made to their reporting and b...
Lipyeow Lim, Bishwaranjan Bhattacharjee
TKDE
2002
148views more  TKDE 2002»
8 years 11 months ago
Parallel Star Join + DataIndexes: Efficient Query Processing in Data Warehouses and OLAP
On-Line Analytical Processing (OLAP) refers to the technologies that allow users to efficiently retrieve data from the data warehouse for decision-support purposes. Data warehouses...
Anindya Datta, Debra E. VanderMeer, Krithi Ramamri...
JDWM
2006
178views more  JDWM 2006»
8 years 11 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...
DSS
2006
140views more  DSS 2006»
8 years 11 months ago
Access control and audit model for the multidimensional modeling of data warehouses
Due to the sensitive data contained in Data Warehouses (DW), it is essential to specify security measures from the early stages of the DW design and enforce them. Traditional acce...
Eduardo Fernández-Medina, Juan Trujillo, Ro...
DSS
2008
116views more  DSS 2008»
8 years 11 months ago
GRAnD: A goal-oriented approach to requirement analysis in data warehouses
Several surveys indicate that a significant percentage of data warehouses fail to meet business objectives or are outright failures. One of the reasons for this is that requiremen...
Paolo Giorgini, Stefano Rizzi, Maddalena Garzetti
DATASCIENCE
2008
79views more  DATASCIENCE 2008»
8 years 11 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
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