175 search results - page 4 / 35 » Window Specification over Data Streams |
KAIS
2006
13 years 8 months ago
2006
PODC
2006
ACM
14 years 2 months ago
2006
ACM
We study the problem of maintaining sketches of recent elements of a data stream. Motivated by applications involving network data, we consider streams that are asynchronous, in w...
SIGMOD
2005
ACM
14 years 8 months ago
2005
ACM
Window queries are proving essential to data-stream processing. In this paper, we present an approach for evaluating sliding-window aggregate queries that reduces both space and c...
STACS
2007
Springer
14 years 2 months ago
2007
Springer
We consider the problem of maintaining aggregates over recent elements of a massive data stream. Motivated by applications involving network data, we consider asynchronous data str...
DIS
2009
Springer
14 years 3 months ago
2009
Springer
Some challenges in frequent pattern mining from data streams are the drift of data distribution and the computational efficiency. In this work an additional challenge is considered...