740 search results - page 25 / 148 » Improving data quality through effective use of data semanti... |
126
click to vote
FLAIRS
2008
15 years 4 months ago
2008
Building useful classification models can be a challenging endeavor, especially when training data is imbalanced. Class imbalance presents a problem when traditional classificatio...
185
click to vote
SIGMOD
2007
ACM
16 years 2 months ago
2007
ACM
Accurate cardinality estimation is critically important to high-quality query optimization. It is well known that conventional cardinality estimation based on histograms or simila...
133
click to vote
ICASSP
2011
IEEE
14 years 5 months ago
2011
IEEE
Near-field acoustic holography (NAH) is an important acoustic visualization technique which can be implemented efficiently through the fast Fourier transform (FFT). However, whe...
128
click to vote
COSIT
1997
Springer
15 years 6 months ago
1997
Springer
This paper gives a definition of Hierarchical Spatial Reasoning, which computes increasingly better results in a hierarchical fashion and stops the computation when a result is ac...
113
click to vote
ICDE
2010
IEEE
16 years 1 months ago
2010
IEEE
Abstract-- A large amount of the world's data is both sequential and imprecise. Such data is commonly modeled as Markovian streams; examples include words/sentences inferred f...