133 search results - page 13 / 27 » Ad-hoc Top-k Query Answering for Data Streams |
SIGMOD
2003
ACM
15 years 9 months ago
2003
ACM
We consider an environment where distributed data sources continuously stream updates to a centralized processor that monitors continuous queries over the distributed data. Signif...
EDBT
2006
ACM
15 years 9 months ago
2006
ACM
Abstract. Data stream systems execute a dynamic workload of longrunning and one-time queries, with the streaming inputs typically bounded by sliding windows. For efficiency, window...
EDBT
2009
ACM
15 years 4 months ago
2009
ACM
Networks of sensors are used in many different fields, from industrial applications to surveillance applications. A common feature of these applications is the necessity of a mo...
ISAAC
2004
Springer
15 years 3 months ago
2004
Springer
We propose a space-efficient scheme for summarizing multidimensional data streams. Our sketch can be used to solve spatial versions of several classical data stream queries effici...
PVLDB
2008
14 years 9 months ago
2008
Query processing on uncertain data streams has attracted a lot of attentions lately, due to the imprecise nature in the data generated from a variety of streaming applications, su...