3456 search results - page 90 / 692 » Semantics in Spatial Databases |
DEXAW
2009
IEEE
14 years 2 months ago
2009
IEEE
— The amount of semantic data on the Web has increased exponentially in the last years. One of the main reasons for this is the use of RDB2RDF systems, which generate RDF data fr...
SAC
2010
ACM
14 years 3 months ago
2010
ACM
Today’s Semantic Web datasets become increasingly larger containing up to several hundred million triples. The performance of index construction is a crucial factor for the succ...
ICDE
2006
IEEE
14 years 2 months ago
2006
IEEE
Schema matching has been historically difficult to automate. Most previous studies have tried to find matches by exploiting information on schema and data instances. However, sche...
EGOV
2003
Springer
14 years 1 months ago
2003
Springer
Nowadays, there are an emergence of spatial or geographic data stored in several and heterogeneous databases, mostly in Geographic Information Systems (GIS). The diversity of GIS a...
WWW
2004
ACM
14 years 8 months ago
2004
ACM
Without textual descriptions or label information of images, searching semantic concepts in image databases is still a very challenging task. While automatic annotation techniques...