41 search results - page 4 / 9 » Continuous sampling for online aggregation over multiple que... |
ESA
2010
Springer
13 years 6 months ago
2010
Springer
We study the problem of estimating the average of a Lipschitz continuous function f defined over a metric space, by querying f at only a single point. More specifically, we explore...
GIS
2004
ACM
14 years 6 months ago
2004
ACM
Spatial, temporal and spatio-temporal aggregates over continuous streams of remotely sensed image data build a fundamental operation in many applications in the environmental scie...
ICDE
2006
IEEE
14 years 7 months ago
2006
IEEE
We consider the problem of creating a sample view of a database table. A sample view is an indexed, materialized view that permits efficient sampling from an arbitrary range query...
INFFUS
2008
13 years 5 months ago
2008
Data processing applications for sensor streams have to deal with multiple continuous data streams with inputs arriving at highly variable and unpredictable rates from various sour...
VLDB
1999
ACM
13 years 10 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...