Sciweavers

GIS
2010
ACM
13 years 3 months ago
Evaluation of cardinal direction developments between moving points
Recently, a wide range of applications like hurricane research, fire management, navigation systems, and transportation, to name only a few, has shown increasing interest in mana...
Tao Chen, Hechen Liu, Markus Schneider
AI
2005
Springer
13 years 4 months ago
On the consistency of cardinal direction constraints
We present a formal model for qualitative spatial reasoning with cardinal directions utilizing a co-ordinate system. Then, we study the problem of checking the consistency of a se...
Spiros Skiadopoulos, Manolis Koubarakis
ADBIS
2010
Springer
192views Database» more  ADBIS 2010»
13 years 6 months ago
The Objects Interaction Graticule for Cardinal Direction Querying in Moving Objects Data Warehouses
Cardinal directions have turned out to be very important qualitative spatial relations due to their numerous applications in spatial wayfinding, GIS, qualitative spatial reasoning ...
Ganesh Viswanathan, Markus Schneider
KI
2009
Springer
13 years 11 months ago
Toward Heterogeneous Cardinal Direction Calculus
Cardinal direction relations are binary spatial relations determined under an extrinsically-defined direction system (e.g., north of). We already have point-based and region-based ...
Yohei Kurata, Hui Shi
SAC
2010
ACM
13 years 11 months ago
Modeling cardinal directions in the 3D space with the objects interaction cube matrix
In GIS and spatial databases, cardinal directions are frequently used as selection and join criteria in query languages. However, most cardinal direction models are only able to h...
Tao Chen, Markus Schneider
DASFAA
2010
IEEE
166views Database» more  DASFAA 2010»
13 years 11 months ago
The Objects Interaction Matrix for Modeling Cardinal Directions in Spatial Databases
Abstract. Besides topological relations and approximate relations, cardinal directions have turned out to be an important class of qualitative spatial relations. In spatial databas...
Tao Chen, Markus Schneider, Ganesh Viswanathan, We...