429 search results - page 68 / 86 » Query Planning for Continuous Aggregation Queries over a Net... |
ICDE
2009
IEEE
14 years 2 months ago
2009
IEEE
— Existing stream processing systems are optimized for a specific metric, which may limit their applicability to diverse applications and environments. This paper presents XFlow...
AINA
2006
IEEE
14 years 1 months ago
2006
IEEE
In query-based wireless sensor networks (WSNs), the system must perform data sensing and retrieval and possibly aggregate data as a response at runtime. Since a WSN is often deplo...
MDM
2007
Springer
14 years 1 months ago
2007
Springer
Abstract—In this paper we present MicroPulse, a novel framework for adapting the waking window of a sensing device S based on the data workload incurred by a query Q. Assuming a ...
FODO
1993
Springer
13 years 11 months ago
1993
Springer
Abstract. Data storage systems are being called on to manage continuous media data types, such as digital audio and video. There is a demand by applications for \constrained-latenc...
WEA
2007
Springer
14 years 1 months ago
2007
Springer
Dynamic tree data structures maintain forests that change over time through edge insertions and deletions. Besides maintaining connectivity information in logarithmic time, they ca...