3456 search results - page 155 / 692 » Semantics in Spatial Databases |
GIS
2009
ACM
14 years 9 months ago
2009
ACM
Modern geographic databases can contain a large volume of data that need to be distributed to subscribed customers. The data can be modeled as a cube, where typical dimensions inc...
SCANGIS
2003
13 years 9 months ago
2003
Abstract. This paper discusses concurrency control in distributed geographical database systems. A geographic data server providing transactional services must be designed to handl...
PODS
2006
ACM
14 years 8 months ago
2006
ACM
The query equivalence problem has been studied extensively for set-semantics and, more recently, for bag-set semantics. However, SQL queries often combine set and bag-set semantic...
CIVR
2004
Springer
14 years 1 months ago
2004
Springer
In this paper, we present an approach for the retrieval of natural scenes based on a semantic modeling step. Semantic modeling stands for the classification of local image regions...
SIGMOD
2002
ACM
14 years 8 months ago
2002
ACM
Semantic Web Enabled Web Services (SWWS) will transform the web from a static collection of information into a distributed device of computation on the basis of Semantic Web techn...