424 search results - page 47 / 85 » Mining data streams with periodically changing distributions |
JNW
2008
13 years 8 months ago
2008
By applying a proxy mechanism widely used in WWW systems to video streaming systems, low-delay and high-quality video distribution can be accomplished without imposing extra load o...
KDD
2010
ACM
14 years 22 days ago
2010
ACM
We propose an online topic model for sequentially analyzing the time evolution of topics in document collections. Topics naturally evolve with multiple timescales. For example, so...
ICDM
2006
IEEE
14 years 2 months ago
2006
IEEE
We address the problem of capturing and tracking local correlations among time evolving time series. Our approach is based on comparing the local auto-covariance matrices (via the...
PKDD
2010
Springer
13 years 7 months ago
2010
Springer
We present a demonstration of a newly developed text stream event detection method on over a million articles from the New York Times corpus. The event detection is designed to ope...
ICDCS
2006
IEEE
14 years 2 months ago
2006
IEEE
This paper is concerned with reducing communication costs when executing distributed user tasks in a sensor network. We take a service-oriented abstraction of sensor networks, whe...