82 search results - page 10 / 17 » Dynamically maintaining frequent items over a data stream |
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SIGMOD
2008
ACM
15 years 9 months ago
2008
ACM
Random sampling is an appealing approach to build synopses of large data streams because random samples can be used for a broad spectrum of analytical tasks. Users are often inter...
VLDB
1999
ACM
15 years 1 months ago
1999
ACM
We present a pipelining, dynamically usercontrollable reorder operator, for use in dataintensive applications. Allowing the user to reorder the data delivery on the fly increases...
SAC
2005
ACM
15 years 3 months ago
2005
ACM
: Traditional spatial indexes like R-tree usually assume the database is not updated frequently. In applications like location-based services and sensor networks, this assumption i...
ICDE
2007
IEEE
15 years 3 months ago
2007
IEEE
Adaptive query processing is of utmost importance for the scalability of data stream processing systems due to the long-running queries and fluctuating stream characteristics. An...
INFOCOM
2005
IEEE
15 years 3 months ago
2005
IEEE
— This paper presents DONet, a Data-driven Overlay Network for live media streaming. The core operations in DONet are very simple: every node periodically exchanges data availabi...