429 search results - page 36 / 86 » Query Planning for Continuous Aggregation Queries over a Net... |
SIGMOD
2005
ACM
14 years 7 months ago
2005
ACM
A defining characteristic of continuous queries over on-line data streams, possibly bounded by sliding windows, is the potentially infinite and time-evolving nature of their input...
ICDE
2005
IEEE
14 years 1 months ago
2005
IEEE
Abstract— Detecting and unraveling incipient coordinated attacks on Internet resources requires a distributed network monitoring infrastructure. Such an infrastructure will have ...
DC
2008
13 years 7 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
2005
IEEE
14 years 9 months ago
2005
IEEE
Efficient one-pass computation of F0, the number of distinct elements in a data stream, is a fundamental problem arising in various contexts in databases and networking. We consid...
IS
2007
13 years 7 months ago
2007
Sensors are often employed to monitor continuously changing entities like locations of moving objects and temperature. The sensor readings are reported to a database system, and a...