126 search results - page 5 / 26 » Keyword query cleaning using hidden Markov models |
SIGMOD
2008
ACM
14 years 6 months ago
2008
ACM
A major problem in detecting events in streams of data is that the data can be imprecise (e.g. RFID data). However, current state-ofthe-art event detection systems such as Cayuga ...
DMSN
2008
ACM
13 years 8 months ago
2008
ACM
When dealing with sensors with different time resolutions, it is desirable to model a sensor reading as pertaining to a time interval rather than a unit of time. We introduce two ...
ICPR
2002
IEEE
14 years 7 months ago
2002
IEEE
We present a distributed, surveillance system that works in large and complex indoor environments. To track and recognize behaviors of people, we propose the use of the Hidden Mar...
WSDM
2010
ACM
14 years 3 months ago
2010
ACM
This article describes an application of the partially observable Markov (POM) model to the analysis of a large scale commercial web search log. Mathematically, POM is a variant o...
TASLP
2008
13 years 6 months ago
2008
The new model reduces the impact of local spectral and temporal variability by estimating a finite set of spectral and temporal warping factors which are applied to speech at the f...