1552 search results - page 21 / 311 » Efficient Aggregate Computation over Data Streams |
PODS
2003
ACM
14 years 7 months ago
2003
ACM
We formalize the problem of maintaining time-decaying aggregates and statistics of a data stream: the relative contribution of each data item to the aggregate is scaled down by a ...
PVLDB
2010
13 years 6 months ago
2010
Uncertain data streams are increasingly common in real-world deployments and monitoring applications require the evaluation of complex queries on such streams. In this paper, we c...
GI
1998
Springer
13 years 12 months ago
1998
Springer
Computing aggregates over selected categories of multidimensional discrete data (MDD) cubes is the core operation of many on-line analytical processing (OLAP) systems. In order to...
ICDCS
2002
IEEE
14 years 18 days ago
2002
IEEE
In-network data aggregation is essential for wireless sensor networks where energy resources are limited. In a previously proposed data dissemination scheme (directed diffusion wi...
ICDE
2009
IEEE
13 years 5 months ago
2009
IEEE
Search over graph databases has attracted much attention recently due to its usefulness in many fields, such as the analysis of chemical compounds, intrusion detection in network t...