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INFOCOM
2008
IEEE
16 years 23 days ago
On Maintaining Sensor-Actor Connectivity in Wireless Sensor and Actor Networks
—In wireless sensor and actor networks (WSANs), a group of sensors and actors are connected by a wireless medium to perform distributed sensing and acting tasks. Sensors usually ...
Jie Wu, Shuhui Yang, Mihaela Cardei
SASO
2008
IEEE
16 years 22 days ago
Connectivity Service for Mobile Ad-Hoc Networks
Abstract—We present a distributed connectivity service that allows agents in a mobile ad-hoc network to move while preserving connectivity. This allows unmodified motion plannin...
Alejandro Cornejo, Nancy A. Lynch
AINA
2007
IEEE
16 years 21 days ago
Heuristics for Improving Cryptographic Key Assignment in a Hierarchy
In hierarchical distributed systems, shared data access can be controlled by assigning user groups single cryptographic keys that allow high level users derive low level keys, but...
Anne V. D. M. Kayem, Patrick Martin, Selim G. Akl
COMSWARE
2007
IEEE
16 years 21 days ago
A Relative Ad hoc Localization Scheme using Optical Wireless
Abstract— Scalable network localization is key for realizing ad-hoc networks. In this paper we propose a localization scheme where nodes form a relative coordinate system of the ...
Jayasri Akella, Murat Yuksel, Shivkumar Kalyanaram...
ICDAR
2007
IEEE
16 years 20 days ago
A Shared Parts Model for Document Image Recognition
We address document image classification by visual appearance. An image is represented by a variable-length list of visually salient features. A hierarchical Bayesian network is ...
M. Das Gupta, P. Sarkar