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» A Conceptual Model for Multidimensional Data
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169
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PODS
1998
ACM
152views Database» more  PODS 1998»
15 years 7 months ago
A Cost Model for Similarity Queries in Metric Spaces
We consider the problem of estimating CPU (distance computations) and I/O costs for processing range and k-nearest neighbors queries over metric spaces. Unlike the specific case ...
Paolo Ciaccia, Marco Patella, Pavel Zezula
113
Voted
ISCI
2007
115views more  ISCI 2007»
15 years 3 months ago
Compressed histograms with arbitrary bucket layouts for selectivity estimation
Selectivity estimation is an important step of query optimization in a database management system, and multidimensional histogram techniques have proved promising for selectivity ...
Dennis Fuchs, Zhen He, Byung Suk Lee
117
Voted
GIS
1999
ACM
15 years 7 months ago
A Provably Efficient Computational Model for Approximate Spatiotemporal Retrieval
: The paper is concerned with the effective and efficient processing of spatiotemporal selection queries under varying degrees of approximation. Such queries may employ operators l...
Vasilis Delis, Christos Makris, Spyros Sioutas
115
Voted
ICCS
2005
Springer
15 years 9 months ago
Computational Modeling of Human Head Conductivity
A multi-cluster computational environment with mixed-mode (MPI + OpenMP) parallelism for estimation of unknown regional electrical conductivities of the human head, based on realis...
Adnan Salman, Sergei Turovets, Allen D. Malony, Je...
172
Voted
P2PKM
2004
15 years 4 months ago
Merging G-Grid P2P Systems While Preserving Their Autonomy
Peer-to-Peer (P2P) systems share and manage huge amounts of data and resources distributed across a large number of machines. In pure P2P environments the control is totally decent...
Gianluca Moro, Gabriele Monti, Aris M. Ouksel