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» Optimized union of non-disjoint distributed data sets
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DAWAK
1999
Springer
15 years 2 months ago
Heuristic Algorithms for Designing a Data Warehouse with SPJ Views
A Data Warehouse DW can be abstractly seen as a set of materialized views de ned over relations that are stored in distributed heterogeneous databases. The selection of views for...
Spyros Ligoudistianos, Timos K. Sellis, Dimitri Th...
PAMI
2008
162views more  PAMI 2008»
14 years 9 months ago
Bayes Optimality in Linear Discriminant Analysis
We present an algorithm which provides the one-dimensional subspace where the Bayes error is minimized for the C class problem with homoscedastic Gaussian distributions. Our main ...
Onur C. Hamsici, Aleix M. Martínez
ICDT
2011
ACM
232views Database» more  ICDT 2011»
14 years 1 months ago
(Approximate) uncertain skylines
Given a set of points with uncertain locations, we consider the problem of computing the probability of each point lying on the skyline, that is, the probability that it is not do...
Peyman Afshani, Pankaj K. Agarwal, Lars Arge, Kasp...
SIGMOD
2006
ACM
171views Database» more  SIGMOD 2006»
15 years 10 months ago
Communication-efficient distributed monitoring of thresholded counts
Monitoring is an issue of primary concern in current and next generation networked systems. For example, the objective of sensor networks is to monitor their surroundings for a va...
Ram Keralapura, Graham Cormode, Jeyashankher Ramam...
BTW
2009
Springer
132views Database» more  BTW 2009»
15 years 1 months ago
End-to-End Performance Monitoring of Databases in Distributed Environments
: This demonstration features the IBM DB2 Performance Expert for Linux, Unix and Windows, a high-end database monitoring tool that is capable of end-to-end monitoring in distribute...
Stefanie Scherzinger, H. Karn, T. Steinbach