20 search results - page 2 / 4 » Answering ad hoc aggregate queries from data streams using p... |
SIGMOD
2010
ACM
13 years 9 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...
PODS
2005
ACM
14 years 4 months ago
2005
ACM
There is growing interest in algorithms for processing and querying continuous data streams (i.e., data that is seen only once in a fixed order) with limited memory resources. Pro...
IS
2006
13 years 4 months ago
2006
In-network data aggregation has been recently proposed as an effective means to reduce the number of messages exchanged in wireless sensor networks. Nodes of the network form an a...
IPSN
2007
Springer
13 years 11 months ago
2007
Springer
We study the problem of aggregating data from a sparse set of nodes in a wireless sensor network. This is a common situation when a sensor network is deployed to detect relatively...
HICSS
2003
IEEE
13 years 10 months ago
2003
IEEE
Many organizations often underutilize their already constructed data warehouses. In this paper, we suggest a novel way of acquiring more information from corporate data warehouses...