Sciweavers

621 search results - page 114 / 125
» Algorithms for portfolio management based on the Newton meth...
Sort
View
EUROSYS
2006
ACM
14 years 4 months ago
On the road to recovery: restoring data after disasters
—Restoring data operations after a disaster is a daunting task: how should recovery be performed to minimize data loss and application downtime? Administrators are under consider...
Kimberly Keeton, Dirk Beyer 0002, Ernesto Brau, Ar...
KDD
2007
ACM
197views Data Mining» more  KDD 2007»
14 years 8 months ago
Learning the kernel matrix in discriminant analysis via quadratically constrained quadratic programming
The kernel function plays a central role in kernel methods. In this paper, we consider the automated learning of the kernel matrix over a convex combination of pre-specified kerne...
Jieping Ye, Shuiwang Ji, Jianhui Chen
SIGMOD
2009
ACM
120views Database» more  SIGMOD 2009»
14 years 8 months ago
Kernel-based skyline cardinality estimation
The skyline of a d-dimensional dataset consists of all points not dominated by others. The incorporation of the skyline operator into practical database systems necessitates an ef...
Zhenjie Zhang, Yin Yang, Ruichu Cai, Dimitris Papa...
SIGMOD
2008
ACM
158views Database» more  SIGMOD 2008»
14 years 7 months ago
Sampling cube: a framework for statistical olap over sampling data
Sampling is a popular method of data collection when it is impossible or too costly to reach the entire population. For example, television show ratings in the United States are g...
Xiaolei Li, Jiawei Han, Zhijun Yin, Jae-Gil Lee, Y...
RTSS
2009
IEEE
14 years 2 months ago
Spatiotemporal Delay Control for Low-Duty-Cycle Sensor Networks
—Data delivery is a major function of sensor network applications. Many applications, such as military surveillance, require the detection of interested events to be reported to ...
Yu Gu, Tian He, Mingen Lin, Jinhui Xu