999 search results - page 154 / 200 » Warping the time on data streams |
SIGCOMM
2009
ACM
14 years 2 months ago
2009
ACM
Many network applications have stringent end-to-end latency requirements, including VoIP and interactive video conferencing, automated trading, and high-performance computing—wh...
APPROX
2011
Springer
12 years 7 months ago
2011
Springer
We consider the problem of identifying periodic trends in data streams. We say a signal a ∈ Rn is p-periodic if ai = ai+p for all i ∈ [n − p]. Recently, Erg¨un et al. [4] pr...
ADMA
2008
Springer
13 years 9 months ago
2008
Springer
With a large number of news available on the internet everyday, it is an interesting work to automatically organize news events by time order and dependencies between events. The w...
ICML
2008
IEEE
14 years 8 months ago
2008
IEEE
Hidden Markov models assume that observations in time series data stem from some hidden process that can be compactly represented as a Markov chain. We generalize this model by as...
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 ...