Sciweavers

28 search results - page 4 / 6
» Spatial Queries in the Presence of Obstacles
Sort
View
CHI
1995
ACM
13 years 11 months ago
LyberWorld: a 3D graphical user interface for fulltext retrieval
ld is a prototype IR user interface. It implements visualizations of an abstract information space – fulltext. The presentation demonstrates a visual user interface for the prob...
Matthias Hemmje
IROS
2007
IEEE
123views Robotics» more  IROS 2007»
14 years 1 months ago
Learning humanoid reaching tasks in dynamic environments
— A central challenging problem in humanoid robotics is to plan and execute dynamic tasks in dynamic environments. Given that the environment is known, sampling-based online moti...
Xiaoxi Jiang, Marcelo Kallmann
ESA
2008
Springer
94views Algorithms» more  ESA 2008»
13 years 9 months ago
Relative Convex Hulls in Semi-dynamic Subdivisions
Abstract. We present data structures for maintaining the relative convex hull of a set of points (sites) in the presence of pairwise non-crossing line segments (barriers) that subd...
Mashhood Ishaque, Csaba D. Tóth
EDBT
2009
ACM
164views Database» more  EDBT 2009»
14 years 8 days ago
Fast object search on road networks
In this paper, we present ROAD, a general framework to evaluate Location-Dependent Spatial Queries (LDSQ)s that searches for spatial objects on road networks. By exploiting search...
Ken C. K. Lee, Wang-Chien Lee, Baihua Zheng
CIKM
2009
Springer
14 years 8 days ago
Scalable continuous range monitoring of moving objects in symbolic indoor space
Indoor spaces accommodate large populations of individuals. The continuous range monitoring of such objects can be used as a foundation for a wide variety of applications, e.g., s...
Bin Yang 0002, Hua Lu, Christian S. Jensen