78 search results - page 3 / 16 » Mining partial periodic correlations in time series |
ICDM
2006
IEEE
14 years 6 days 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...
ICDM
2005
IEEE
13 years 11 months ago
2005
IEEE
We consider the problem of elastic matching of time series. We propose an algorithm that determines a subsequence of a target time series that best matches a query series. In the ...
WSDM
2012
ACM
12 years 1 months ago
2012
ACM
We study the problem of correlating micro-blogging activity with stock-market events, defined as changes in the price and traded volume of stocks. Specifically, we collect messa...
ICDM
2005
IEEE
13 years 11 months ago
2005
IEEE
Multivariate time series (MTS) data sets are common in various multimedia, medical and financial application domains. These applications perform several data-analysis operations ...
ICWSM
2010
13 years 7 months ago
2010
We connect measures of public opinion measured from polls with sentiment measured from text. We analyze several surveys on consumer confidence and political opinion over the 2008 ...