813 search results - page 15 / 163 » The Spatial Semantic Hierarchy |
COLING
2008
13 years 9 months ago
2008
We propose a spatio-temporal markup for the annotation of motion predicates in text, informed by a lexical semantic classification of these verbs. We incorporate this classificati...
SDB
1995
13 years 11 months ago
1995
In this paper we discuss two data models for spatial database systems: the linear data model and the topological data model. Both can be used to model a wide range of applications....
ACCV
2010
Springer
13 years 2 months ago
2010
Springer
The ignorance on spatial information and semantics of visual words becomes main obstacles in the bag-of-visual-words (BoW) method for image classification. To address the obstacles...
GEOINFORMATICA
2010
13 years 6 months ago
2010
Abstract The modeling of a landscape environment is a cognitive activity that requires appropriate spatial representations. The research presented in this paper introduces a struct...
CGF
2000
13 years 7 months ago
2000
We describe two new techniques of ray shooting acceleration that exploit the traversal coherence of a spatial hierarchy. The first technique determines a sequence of adjacent leaf