321 search results - page 50 / 65 » A Topological Data Model for Spatial Databases |
ICDE
2005
IEEE
14 years 1 months ago
2005
IEEE
We pose the question: how do we efficiently evaluate a join operator, distributed over a heterogeneous network? Our objective here is to optimize the delay of output tuples. We di...
GIS
2004
ACM
14 years 8 months ago
2004
ACM
Triangular Irregular Network (TIN) and Regular Square Grid (RSG) are widely used for representing 2.5 dimensional spatial data. However, these models are not defined from the topo...
ICDE
2012
IEEE
11 years 10 months ago
2012
IEEE
— A Cyber-Physical System (CPS) integrates physical devices (e.g., sensors, cameras) with cyber (or informational) components to form a situation-integrated analytical system tha...
SDM
2004
SIAM
13 years 9 months ago
2004
SIAM
Graph-based modeling has emerged as a powerful abstraction capable of capturing in a single and unified framework many of the relational, spatial, topological, and other characteri...
HYBRID
1998
Springer
13 years 12 months ago
1998
Springer
We discuss properties of high order neurons in competitive learning. In such neurons, geometric shapes replace the role of classic `point' neurons in neural networks. Complex ...