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» Clustering Distributed Time Series in Sensor Networks
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IPSN
2010
Springer
14 years 4 months ago
High-resolution, low-power time synchronization an oxymoron no more
We present Virtual High-resolution Time (VHT), a powerproportional time-keeping service that offers a baseline power draw of a low-speed clock (e.g. 32 kHz crystal), but provides...
Thomas Schmid, Prabal Dutta, Mani B. Srivastava
VLDB
2005
ACM
110views Database» more  VLDB 2005»
14 years 2 months ago
U-DBMS: A Database System for Managing Constantly-Evolving Data
In many systems, sensors are used to acquire information from external environments such as temperature, pressure and locations. Due to continuous changes in these values, and lim...
Reynold Cheng, Sarvjeet Singh, Sunil Prabhakar
PODS
2008
ACM
159views Database» more  PODS 2008»
14 years 9 months ago
Approximation algorithms for clustering uncertain data
There is an increasing quantity of data with uncertainty arising from applications such as sensor network measurements, record linkage, and as output of mining algorithms. This un...
Graham Cormode, Andrew McGregor
GLOBECOM
2006
IEEE
14 years 3 months ago
Disjoint Multipath Routing in Dual Homing Networks using Colored Trees
Abstract— Wireless sensor networks (WSNs) employed in monitoring applications require data collected by the sensors to be deposited at specific nodes, referred to as drains. To ...
Preetha Thulasiraman, Srinivasan Ramasubramanian, ...
BTW
2009
Springer
132views Database» more  BTW 2009»
14 years 14 days ago
End-to-End Performance Monitoring of Databases in Distributed Environments
: This demonstration features the IBM DB2 Performance Expert for Linux, Unix and Windows, a high-end database monitoring tool that is capable of end-to-end monitoring in distribute...
Stefanie Scherzinger, H. Karn, T. Steinbach