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» Multidimensional Blocking in UPC
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DAWAK
2000
Springer
13 years 11 months ago
Data Cube Compression with QuantiCubes
: Data warehouses typically store a multidimensional fact representation of the data that can be used in any type of analysis. Many applications materialize data cubes as multidime...
Pedro Furtado, Henrique Madeira
ICIP
1999
IEEE
14 years 9 months ago
Data Hiding in Video
We propose a video data embedding scheme in which the embedded signature data is reconstructed without knowing the original host video. The proposed method enables high rate of da...
Jong Jin Chae, B. S. Manjunath
PODS
1997
ACM
117views Database» more  PODS 1997»
13 years 11 months ago
On the Analysis of Indexing Schemes
We consider the problem of indexing general database workloads (combinations of data sets and sets of potential queries). We de ne a framework for measuring the eciency of an ind...
Joseph M. Hellerstein, Elias Koutsoupias, Christos...
ANOR
2008
75views more  ANOR 2008»
13 years 7 months ago
Geometric decay in level-expanding QBD models
Level-expanding quasi-birth-and-death (QBD) processes have been shown to be an efficient modeling tool for studying multi-dimensional systems, especially twodimensional ones. Comp...
Liming Liu, Masakiyo Miyazawa, Yiqiang Q. Zhao
ICDE
2012
IEEE
202views Database» more  ICDE 2012»
11 years 10 months ago
Differentially Private Spatial Decompositions
— Differential privacy has recently emerged as the de facto standard for private data release. This makes it possible to provide strong theoretical guarantees on the privacy and ...
Graham Cormode, Cecilia M. Procopiuc, Divesh Sriva...