102 search results - page 18 / 21 » Multiple Continuous Queries Optimization for Processing RFID... |
PODS
2010
ACM
14 years 1 months ago
2010
ACM
A fundamental problem in data management is to draw a sample of a large data set, for approximate query answering, selectivity estimation, and query planning. With large, streamin...
ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
Abstract-- Skyline computation has many applications including multi-criteria decision making. In this paper, we study the problem of efficient processing of continuous skyline que...
TKDE
2010
13 years 6 months ago
2010
—Duplicates in data streams may often be observed by the projection on a subspace and/or multiple recordings of objects. Without the uniqueness assumption on observed data elemen...
ICDE
2003
IEEE
14 years 9 months ago
2003
IEEE
We present a query architecture in which join operators are decomposed into their constituent data structures (State Modules, or SteMs), and dataflow among these SteMs is managed ...
EDBT
2006
ACM
14 years 8 months ago
2006
ACM
Traditional content based publish/subscribe (pub/sub) systems allow users to express stateless subscriptions evaluated on individual events. However, many applications such as moni...