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DLOG
2011
8 years 6 months ago
Dependencies to Optimize Ontology Based Data Access
Query answering in Ontology Based Data Access (OBDA) exploits the knowledge of an ontology’s TBox to deal with incompleteness of the ABox (or data source). Current query-answerin...
Mariano Rodriguez-Muro, Diego Calvanese
DOLAP
2003
ACM
9 years 7 months ago
Spatial hierarchy and OLAP-favored search in spatial data warehouse
Data warehouse and Online Analytical Processing(OLAP) play a key role in business intelligent systems. With the increasing amount of spatial data stored in business database, how ...
Fangyan Rao, Long Zhang, Xiulan Yu, Ying Li, Ying ...
ECIS
2003
9 years 4 months ago
Real-time workflow audit data integration into data warehouse systems
Workflow management systems are being increasingly used by many organizations to automate business processes and decrease costs. Audit trails from workflow management systems incl...
Josef Schiefer, Jun-Jang Jeng, Robert M. Bruckner
JDWM
2006
178views more  JDWM 2006»
9 years 2 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...
DOLAP
2004
ACM
9 years 8 months ago
Experimental evidence on partitioning in parallel data warehouses
Parallelism can be used for major performance improvement in large Data warehouses (DW) with performance and scalability challenges. A simple low-cost shared-nothing architecture ...
Pedro Furtado
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