3456 search results - page 101 / 692 » Semantics in Spatial Databases |
ICDT
2007
ACM
14 years 2 months ago
2007
ACM
This paper presents an RDF vocabulary for representing data values as resources. An intended application is the representation of relational databases in RDF, and reasoning with th...
EDBT
2004
ACM
14 years 8 months ago
2004
ACM
Despite the existence of obstacles in many database applications, traditional spatial query processing utilizes the Euclidean distance metric assuming that points in space are dire...
SIGMOD
2004
ACM
14 years 1 months ago
2004
ACM
Clustering is one of the most important analysis tasks in spatial databases. We study the problem of clustering objects, which lie on edges of a large weighted spatial network. Th...
ISCI
2007
13 years 8 months ago
2007
In an object-relational database management system, a query optimizer requires users to provide cost models of userdefined functions. The traditional approach is analytical, that...
ICPR
2010
IEEE
13 years 6 months ago
2010
IEEE
We propose a scene classification method, which combines two popular methods in the literature: Spatial Pyramid Matching (SPM) and probabilistic Latent Semantic Analysis (pLSA) mod...