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ICDE
2011
IEEE
240views Database» more  ICDE 2011»
12 years 11 months ago
Similarity measures for multidimensional data
— How similar are two data-cubes? In other words, the question under consideration is: given two sets of points in a multidimensional hierarchical space, what is the distance val...
Eftychia Baikousi, Georgios Rogkakos, Panos Vassil...
DOLAP
1998
ACM
13 years 12 months ago
Dynamic Maintenance of Multidimensional Range Data Partitioning for Parallel Data Processing
Star schema has been a typical model for both online transaction processing in traditional databases and online analytical processing in large data warehouses. In the star schema,...
Junping Sun, William I. Grosky
WETICE
2006
IEEE
14 years 1 months ago
Replica Update Propagation for Grid Data Resources
Data replication is a well established concept in the grid community to increase data availability and faulttolerance in the grid environment. However, there is a lack of software...
Marek Ciglan, Ladislav Hluchý
ISCI
2008
83views more  ISCI 2008»
13 years 7 months ago
A diversity maintaining population-based incremental learning algorithm
In this paper we propose a new probability update rule and sampling procedure for population-based incremental learning. These proposed methods are based on the concept of opposit...
Mario Ventresca, Hamid R. Tizhoosh
SIGMOD
1999
ACM
181views Database» more  SIGMOD 1999»
13 years 12 months ago
Approximate Computation of Multidimensional Aggregates of Sparse Data Using Wavelets
Computing multidimensional aggregates in high dimensions is a performance bottleneck for many OLAP applications. Obtaining the exact answer to an aggregation query can be prohibit...
Jeffrey Scott Vitter, Min Wang