373 search results - page 67 / 75 » Mining time-changing data streams |
PODS
2006
ACM
14 years 7 months ago
2006
ACM
In this paper, we give a simple scheme for identifying approximate frequent items over a sliding window of size n. Our scheme is deterministic and does not make any assumption on ...
ICDM
2008
IEEE
14 years 1 months ago
2008
IEEE
To cope with concept drift, we paired a stable online learner with a reactive one. A stable learner predicts based on all of its experience, whereas a reactive learner predicts ba...
PODS
2010
ACM
14 years 17 days ago
2010
ACM
We give the first optimal algorithm for estimating the number of distinct elements in a data stream, closing a long line of theoretical research on this problem begun by Flajolet...
KDD
2004
ACM
14 years 8 months ago
2004
ACM
In a wide range of business areas dealing with text data streams, including CRM, knowledge management, and Web monitoring services, it is an important issue to discover topic tren...
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
Sensor networks play a central role in applications that monitor variables in geographic areas such as the traffic volume on roads or the temperature in the environment. A key fea...