175 search results - page 2 / 35 » Window Specification over Data Streams |
DC
2008
13 years 5 months ago
2008
We study the problem of maintaining a sketch of recent elements of a data stream. Motivated by applications involving network data, we consider streams that are asynchronous, in wh...
ICDE
2006
IEEE
14 years 6 months ago
2006
IEEE
Adaptivity is a challenging open issue in data stream management. In this paper, we tackle the problem of memory adaptivity inside a system executing temporal sliding window queri...
JCST
2008
13 years 4 months ago
2008
Detecting duplicates in data streams is an important problem that has a wide range of applications. In general, precisely detecting duplicates in an unbounded data stream is not fe...
EDBT
2006
ACM
14 years 5 months ago
2006
ACM
Abstract. Data stream systems execute a dynamic workload of longrunning and one-time queries, with the streaming inputs typically bounded by sliding windows. For efficiency, window...
ACIIDS
2009
IEEE
13 years 10 months ago
2009
IEEE
— We consider the problem of processing exact results for sliding window joins over data streams with limited memory. Existing approaches deal with memory limitations by shedding...