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GIS
2004
ACM
14 years 8 months ago
Supporting spatial aggregation in sensor network databases
Sensor networks are unattended deeply distributed systems whose schema can be conceptualized using the relational model. Aggregation queries on the data sampled at each ode are th...
Mehdi Sharifzadeh, Cyrus Shahabi
IJCNN
2007
IEEE
14 years 1 months ago
Parameter Optimization of PSS Based on Estimated Hessian Matrix from Trajectory Sensitivities
This paper describes the optimal tuning for the output limits of the power system stabilizer (PSS), which can improve the system damping performance immediately following a large d...
Seung-Mook Baek, Jung-Wook Park, Ganesh K. Venayag...
DAGM
2001
Springer
13 years 12 months ago
3D Model Retrieval with Spherical Harmonics and Moments
We consider 3D object retrieval in which a polygonal mesh serves as a query and similar objects are retrieved from a collection of 3D objects. Algorithms proceed first by a normal...
Dietmar Saupe, Dejan V. Vranic
WCNC
2008
IEEE
14 years 1 months ago
Throughput and Delay Performance Analysis of Packet Aggregation Scheme for PRMA
—Packet reservation multiple access (PRMA) protocol is an implicit reservation MAC protocol. It is initially designed for voice packets in the cellular networks [2], [3] but it is...
Qi Zhang, Villy Bæk Iversen, Frank H. P. Fit...
IM
2003
13 years 8 months ago
Performance Management for Cluster Based Web Services
: We present an architecture and prototype implementation of a performance management system for cluster-based web services. The system supports multiple classes of web services tr...
Ronald M. Levy, Jay Nagarajarao, Giovanni Pacifici...