Geo-spatial query based on extended SPARQL.

Xiaofang Zhai Lei Huang Zhifeng Xiao

Published in: Geoinformatics (2010)

Keyphrases

geo spatial
sparql queries
database
query processing
query engine
spatial data
range queries
big data
rdf data
data structure
digital libraries
query formulation
data sources
spatial analysis
semantic web
image processing
indexing techniques
query language
data model
keywords
database systems
databases