2468 search results - page 60 / 494 » Aggregation operators 2003 |
ICC
2008
IEEE
14 years 3 months ago
2008
IEEE
— In large Wireless Sensor Networks (WSNs), each hop might incur varying delays due to medium access contention, transmission and computation delays. Fast and efficient query re...
ADBIS
2000
Springer
14 years 1 months ago
2000
Springer
Queries involving aggregation are typical in a number of database research areas, such as data warehousing, global information systems and mobile computing. One of the main ideas ...
DEBS
2010
ACM
14 years 20 days ago
2010
ACM
We present a case study parallelizing streaming aggregation on three different parallel hardware architectures. Aggregation is a performance-critical operation for data summarizat...
CCS
2008
ACM
13 years 10 months ago
2008
ACM
By functionally decomposing a specific algorithm (the hierarchical secure aggregation algorithm of Chan et al. [3] and Frikken et al. [7]), we uncover a useful general functionali...
SIGMOD
2005
ACM
14 years 9 months ago
2005
ACM
A windowed query operator breaks a data stream into possibly overlapping subsets of data and computes results over each. Many stream systems can evaluate window aggregate queries....