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» The Spatial Semantic Hierarchy
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OTM
2005
Springer
14 years 1 months ago
Ontology-Based Spatial Query Expansion in Information Retrieval
Ontologies play a key role in Semantic Web research. A common use of ontologies in Semantic Web is to enrich the current Web resources with some well-defined meaning to enhance th...
Gaihua Fu, Christopher B. Jones, Alia I. Abdelmoty
GIR
2006
ACM
14 years 1 months ago
Associating spatial patterns to text-units for summarizing geographic information
Retrieving data based not only on key words is a challenge. We worked on semi-structured data (cultural heritage corpora). Our project aimed at getting the most relevant text-unit...
Julien Lesbegueries, Christian Sallaberry, Mauro G...
WIAMIS
2009
IEEE
14 years 2 months ago
Comparative evaluation of spatial context techniques for semantic image analysis
In this paper, two approaches to utilizing contextual information in semantic image analysis are presented and comparatively evaluated. Both approaches make use of spatial context...
Georgios Th. Papadopoulos, Carsten Saathoff, Marci...
PG
1999
IEEE
13 years 11 months ago
Automatic Creation of Object Hierarchies for Radiosity Clustering
Using object clusters for hierarchical radiosity greatly improves the efficiency and thus usability of radiosity computations. By eliminating the quadratic starting phase very lar...
Gordon Müller, Stephan Schäfer, Dieter W...
AMW
2009
13 years 8 months ago
Semantic Integrity Constraints for Spatial Databases
Abstract. This paper introduces a formalization of a set of spatial semantic integrity constraints on an extended-relational database model. The formalization extends traditional n...
Loreto Bravo, M. Andrea Rodríguez