211 search results - page 8 / 43 » Estimating Sum by Weighted Sampling |
PVLDB
2008
13 years 7 months ago
2008
We study selectivity estimation techniques for set similarity queries. A wide variety of similarity measures for sets have been proposed in the past. In this work we concentrate o...
AI
2007
Springer
14 years 1 months ago
2007
Springer
Importance sampling-based algorithms are a popular alternative when Bayesian network models are too large or too complex for exact algorithms. However, importance sampling is sensi...
ICDAR
2011
IEEE
12 years 7 months ago
2011
IEEE
: Writer recognition is a very important branch of biometrics. In our previous research, a Grid Micro-structure Feature (GMSF) based text-independent and scriptindependent method w...
ICIP
1994
IEEE
13 years 11 months ago
1994
IEEE
A nonlinear multichannel digital filter is presented in this correspondence. The output is a weighted sum of all samples in the filter window, with a single parameter controlling t...
HYBRID
2009
Springer
14 years 2 months ago
2009
Springer
To reduce the amount of data transfer in networked control systems and wireless sensor networks, measurements are usually taken only when an event occurs, rather than at each synch...