793 search results - page 32 / 159 » Optimizing Multiple Queries in Distributed Data Stream Syste... |
CIDR
2007
13 years 10 months ago
2007
Sensors capable of sensing phenomena at high data rates—on the order of tens to hundreds of thousands of samples per second—are useful in many industrial, civil engineering, s...
SIGMOD
2010
ACM
14 years 1 months ago
2010
ACM
In this paper, we propose an online aggregation system called COSMOS (Continuous Sampling for Multiple queries in an Online aggregation System), to process multiple aggregate quer...
GIS
2008
ACM
14 years 10 months ago
2008
ACM
We present SenseWeb, an open and scalable infrastructure for sharing and geocentric exploration of sensor data streams. SenseWeb allows sensor owners to share data streams across ...
ICDE
2005
IEEE
14 years 10 months ago
2005
IEEE
We address the problem of executing continuous multiway join queries in unpredictable and volatile environments. Our query class captures windowed join queries in data stream syst...
SAC
2008
ACM
13 years 8 months ago
2008
ACM
Skyline queries are important due to their usefulness in many application domains. However, by increasing the number of attributes, the probability that a tuple dominates another ...