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SIGMOD
2008
ACM
109views Database» more  SIGMOD 2008»
16 years 3 months ago
Cooperative XPath caching
Motivated by the fact that XML is increasingly being used in distributed applications, we propose building a cooperative caching scheme for XML documents. Our scheme allows sharin...
Kostas Lillis, Evaggelia Pitoura
SIGMOD
2007
ACM
165views Database» more  SIGMOD 2007»
16 years 3 months ago
Statistical analysis of sketch estimators
Sketching techniques can provide approximate answers to aggregate queries either for data-streaming or distributed computation. Small space summaries that have linearity propertie...
Florin Rusu, Alin Dobra
IRI
2008
IEEE
15 years 10 months ago
Computation with imprecise probabilities
abstract An imprecise probability distribution is an instance of second-order uncertainty, that is, uncertainty about uncertainty, or uncertainty for short. Another instance is an ...
Lotfi A. Zadeh
IPPS
2007
IEEE
15 years 9 months ago
Formal Analysis for Debugging and Performance Optimization of MPI
High-end computing is universally recognized to be a strategic tool for leadership in science and technology. A significant portion of high-end computing is conducted on clusters...
Ganesh Gopalakrishnan, Robert M. Kirby
IBPRIA
2007
Springer
15 years 9 months ago
Optimally Discriminant Moments for Speckle Detection in Real B-Scan Images
Detection of speckle in ultrasound (US) images has been regarded as an important research topic in US imaging, mainly focusing on two specific applications: improving signal to no...
Robert Marti, Joan Martí, Jordi Freixenet, ...