606 search results - page 23 / 122 » Memory-constrained aggregate computation over data streams |
SIGMOD
2005
ACM
14 years 6 months ago
2005
ACM
Existing energy-efficient approaches to in-network aggregation in sensor networks can be classified into two categories, tree-based and multi-path-based, with each having unique s...
VLDB
2004
ACM
14 years 3 days ago
2004
ACM
We consider the problem of resource sharing when processing large numbers of continuous queries. We specifically address sliding-window aggregates over data streams, an important...
SECON
2008
IEEE
14 years 1 months ago
2008
IEEE
— What is the fastest rate at which we can collect a stream of aggregated data from a set of wireless sensors organized as a tree? We explore a hierarchy of techniques using real...
SAC
2008
ACM
13 years 6 months ago
2008
ACM
We address aggregate queries over GIS data and moving object data, where non-spatial information is stored in a data warehouse. We propose a formal data model and query language t...
VLDB
2004
ACM
14 years 3 days ago
2004
ACM
We address the problem of computing approximate answers to continuous sliding-window joins over data streams when the available memory may be insufficient to keep the entire join...