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DOLAP
2003
ACM
15 years 11 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...
RAID
1999
Springer
15 years 10 months ago
Audit logs: to keep or not to keep?
We approached this line of inquiry by questioning the conventional wisdom that audit logs are too large to be analyzed and must be reduced and filtered before the data can be anal...
Christopher Wee
SIGMOD
1996
ACM
99views Database» more  SIGMOD 1996»
15 years 10 months ago
A Query Language for Multidimensional Arrays: Design, Implementation, and Optimization Techniques
While much recent research has focussed on extending databases beyond the traditional relational model, relatively little has been done to develop database tools for querying data...
Leonid Libkin, Rona Machlin, Limsoon Wong
IFIP8
2007
15 years 7 months ago
Grid-VirtuE: A Layered Architecture for Grid Virtual Enterprises
A grid virtual enterprise is a community of independent enterprises concerned with a particular sector of the economy. Its members (nodes) are small or medium size enterprises (SME...
Alfredo Cuzzocrea, Alessandro D'Atri, Andrea Gualt...
AAAI
1998
15 years 7 months ago
Handling Inconsistency for Multi-Source Integration
The overwhelming amount of information sources now available through the internet has increased the need to combine or integrate the data retrieved from these sources in an intell...
Sheila Tejada, Craig A. Knoblock, Steven Minton