649 search results - page 4 / 130 » Sampling Algorithms in a Stream Operator |
WWW
2005
ACM
14 years 6 months ago
2005
ACM
We consider the problem of efficiently sampling Web search engine query results. In turn, using a small random sample instead of the full set of results leads to efficient approxi...
SIGMETRICS
2012
ACM
11 years 8 months ago
2012
ACM
Sampling is crucial for controlling resource consumption by internet traffic flow measurements. Routers use Packet Sampled NetFlow [9], and completed flow records are sampled in...
SSDBM
2010
IEEE
13 years 3 months ago
2010
IEEE
Reservoir sampling is a well-known technique for random sampling over data streams. In many streaming applications, however, an input stream may be naturally heterogeneous, i.e., c...
CORR
2010
Springer
13 years 5 months ago
2010
Springer
We consider minimal-rate sampling schemes for streams of delayed and weighted versions of a known pulse shape. Such signals belong to the class of finite rate of innovation (FRI) m...
WINET
2010
13 years 4 months ago
2010
2.5G and 3G cellular networks are becoming more and more widespread. Therefore, the need for value added services is increasing rapidly. One of the key services that operators see...