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SIGMOD
2006
ACM
194views Database» more  SIGMOD 2006»
16 years 6 months ago
Graph-based synopses for relational selectivity estimation
This paper introduces the Tuple Graph (TuG) synopses, a new class of data summaries that enable accurate selectivity estimates for complex relational queries. The proposed summari...
Joshua Spiegel, Neoklis Polyzotis
CVPR
2010
IEEE
16 years 2 months ago
Automatic Image Annotation Using Group Sparsity
Automatically assigning relevant text keywords to images is an important problem. Many algorithms have been proposed in the past decade and achieved good performance. Efforts have...
Shaoting Zhang, Junzhou Huang, Yuchi Huang, Yang Y...
EUROPAR
2009
Springer
16 years 1 months ago
PSINS: An Open Source Event Tracer and Execution Simulator for MPI Applications
The size of supercomputers in numbers of processors is growing exponentially. Today’s largest supercomputers have upwards of a hundred thousand processors and tomorrow’s may ha...
Mustafa M. Tikir, Michael Laurenzano, Laura Carrin...
SLE
2009
Springer
16 years 1 months ago
Language Evolution in Practice: The History of GMF
In consequence of changing requirements and technological progress, software languages are subject to change. The changes affect the language’s specification, which in turn a...
Markus Herrmannsdoerfer, Daniel Ratiu, Guido Wachs...
ICASSP
2008
IEEE
16 years 1 months ago
Multi-stream parameterization for structural speech recognition
Recently, a novel and structural representation of speech was proposed [1, 2], where the inevitable acoustic variations caused by nonlinguistic factors are effectively removed fro...
Satoshi Asakawa, Nobuaki Minematsu, Keikichi Hiros...