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DOLAP
2003
ACM
13 years 9 months ago
Achieving adaptivity for OLAP-XML federations
Motivated by the need for more flexible OLAP systems, this paper presents work on logical integration of external data in OLAP databases, carried out in cooperation between the D...
Dennis Pedersen, Torben Bach Pedersen
DOLAP
2003
ACM
13 years 9 months ago
Attribute value reordering for efficient hybrid OLAP
The normalization of a data cube is the process of choosing an ordering for the attribute values, and the chosen ordering will affect the physical storage of the cube’s data. For...
Owen Kaser, Daniel Lemire
DOLAP
2003
ACM
13 years 9 months ago
XCube: XML for data warehouses
Wolfgang Hümmer, Andreas Bauer 0004, Gunnar H...
DOLAP
2003
ACM
13 years 9 months ago
The workload you have, the workload you would like
Matteo Golfarelli, Ettore Saltarelli
DOLAP
2003
ACM
13 years 9 months ago
Using AutoMed metadata in data warehousing environments
Metadata management is an essential factor in data warehousing. In data warehousing environments, data is transformed and integrated into a single database from multiple autonomou...
Hao Fan, Alexandra Poulovassilis
DOLAP
2003
ACM
13 years 9 months ago
Exploiting hierarchical clustering in evaluating multidimensional aggregation queries
Multidimensional aggregation queries constitute the single most important class of queries for data warehousing applications and decision support systems. The bottleneck in the ev...
Dimitri Theodoratos
DOLAP
2003
ACM
13 years 9 months ago
Hierarchical dwarfs for the rollup cube
The data cube operator exemplifies two of the most important aspects of OLAP queries: aggregation and dimension hierarchies. In earlier work we presented Dwarf, a highly compress...
Yannis Sismanis, Antonios Deligiannakis, Yannis Ko...
DOLAP
2003
ACM
13 years 9 months ago
Advanced visualization for OLAP
Data visualization is one of the big issues of database research. OLAP as a decision support technology is highly related to the developments of data visualization area. In this p...
Andreas S. Maniatis, Panos Vassiliadis, Spiros Ski...
DOLAP
2003
ACM
13 years 9 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 ...