Sciweavers

756 search results - page 44 / 152
» Using topology for spatial reasoning
Sort
View
INFOCOM
2003
IEEE
15 years 3 months ago
Sampling Biases in IP Topology Measurements
— Considerable attention has been focused on the properties of graphs derived from Internet measurements. Router-level topologies collected via traceroute-like methods have led s...
Anukool Lakhina, John W. Byers, Mark Crovella, Pen...
COSIT
2005
Springer
100views GIS» more  COSIT 2005»
15 years 3 months ago
The Role of Spatial Relations in Automating the Semantic Annotation of Geodata
How can the usability of distributed and heterogeneous geographic data sets be enhanced? Semantic interoperability is a prerequisite for effectively finding and accessing relevant ...
Eva Klien, Michael Lutz
SSD
1993
Springer
152views Database» more  SSD 1993»
15 years 1 months ago
Realms: A Foundation for Spatial Data Types in Database Systems
: Spatial data types or algebras for database systems should (i) be fully general (which means, closed under set operations, hence e.g. a region value can be a set of polygons with...
Ralf Hartmut Güting, Markus Schneider
3DPVT
2006
IEEE
197views Visualization» more  3DPVT 2006»
14 years 11 months ago
Structured Light Based Reconstruction under Local Spatial Coherence Assumption
3D scanning techniques based on structured light usually achieve robustness against outliers by performing multiple projections to simplify correspondence. However, for cases such...
Hao Li, Raphael Straub, Hartmut Prautzsch
VTC
2007
IEEE
158views Communications» more  VTC 2007»
15 years 4 months ago
Efficient Spatial Reuse in Multi-Radio, Multi-Hop Wireless Mesh Networks
— In the paper, we propose a novel scheduling mechanism without modifying the existing IEEE 802.11 MAC, called wireless Radio-Matching Protocol (RMP). It takes account of interfe...
Da-Ren Guo, Kuochen Wang, Lung-Sheng Lee