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DAIS
2009
15 years 5 months ago
Automated Assessment of Aggregate Query Imprecision in Dynamic Environments
Queries are widely used for acquiring data distributed in opportunistically formed mobile networks. However, when queries are executed in such dynamic settings, the returned result...
Vasanth Rajamani, Christine Julien, Jamie Payton
PERCOM
2008
ACM
16 years 6 months ago
A Context Query Language for Pervasive Computing Environments
This paper identifies requirements for querying and accessing context information in mobile and pervasive computing environments. Furthermore it studies existing query languages s...
Roland Reichle, Michael Wagner, Mohammad Ullah Kha...
ETFA
2008
IEEE
16 years 1 months ago
Localization in a wide range of industrial environments using relative 3D ceiling features
This paper presents a localization system for mobile robots that are able to navigate autonomously in industrial environments like factory and exhibition halls. Previous approache...
Daniel Lecking, Oliver Wulf, Bernardo Wagner
VTC
2008
IEEE
165views Communications» more  VTC 2008»
16 years 1 months ago
Operation and Performance of Vehicular Ad-Hoc Routing Protocols in Realistic Environments
—Vehicle-to-vehicle and vehicle-to-infrastructure wireless communications are currently under development to improve traffic efficiency and safety. Routing protocols enabling mul...
Ramon Bauza, Javier Gozálvez, Miguel Sepulc...
ICRA
2007
IEEE
183views Robotics» more  ICRA 2007»
16 years 1 months ago
Global Trajectory Generation for Nonholonomic Robots in Dynamic Environments
— We consider the problem of generating global feasible trajectories for nonholonomic mobile robots in the presence of moving obstacles. The global trajectory is composed of regi...
Yi Guo, Yi Long, Weihua Sheng