Sciweavers

1071 search results - page 28 / 215
» A Data Model for Moving Objects Supporting Aggregation
Sort
View
MOBICOM
2010
ACM
15 years 2 months ago
Differential forms for target tracking and aggregate queries in distributed networks
Consider mobile targets moving in a plane and their movements being monitored by a network such as a field of sensors. We develop distributed algorithms for in-network tracking an...
Rik Sarkar, Jie Gao
103
Voted
DOLAP
2004
ACM
15 years 7 months ago
A new OLAP aggregation based on the AHC technique
Nowadays, decision support systems are evolving in order to handle complex data. Some recent works have shown the interest of combining on-line analysis processing (OLAP) and data...
Riadh Ben Messaoud, Omar Boussaid, Sabine Rabas&ea...
144
Voted
AIPR
2008
IEEE
15 years 8 months ago
Intelligent multimodal and hyperspectral sensing for real-time moving target tracking
—Real time moving target tracking and identification with hyperspectral imagery is still very challenging with conventional sensors and algorithms. The increased information cont...
Tao Wang, Zhigang Zhu
125
Voted
WWW
2005
ACM
16 years 2 months ago
Executing incoherency bounded continuous queries at web data aggregators
Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of some ...
Rajeev Gupta, Ashish Puri, Krithi Ramamritham
151
Voted
DMSN
2009
ACM
15 years 8 months ago
Message models and aggregation in knowledge based middleware for rich sensor systems
Networked, distributed real world sensing is an increasingly prominent topic in computing and has quickly expanded from resource constrained “sensor networks” measuring simple...
Joseph B. Kopena, William C. Regli, Boon Thau Loo