813 search results - page 80 / 163 » The Spatial Semantic Hierarchy |
MLQ
2000
13 years 7 months ago
2000
: Each information system (or data table) leads to a hierarchy of binary relations on the object set in a natural way; these relational systems can serve as frames for the semantic...
ICMCS
2006
IEEE
14 years 1 months ago
2006
IEEE
Semantic scene classification is a useful, yet challenging problem in image understanding. Most existing systems are based on low-level features, such as color or texture, and suc...
CVPR
2011
IEEE
13 years 3 months ago
2011
IEEE
In this paper, a Random Field Topic (RFT) model is proposed for semantic region analysis from motions of objects in crowded scenes. Different from existing approaches of learning ...
EDBT
2011
ACM
12 years 11 months ago
2011
ACM
GPS devices allow recording the movement track of the moving object they are attached to. This data typically consists of a stream of spatio-temporal (x,y,t) points. For applicati...
DGO
2003
13 years 9 months ago
2003
This paper describes a Web-based query system for semantically heterogeneous geospatial data. Our goal is to provide DBMS type query capabilities to a proposed statewide land info...