609 search results - page 47 / 122 » Collective spatial keyword querying |
DPD
2006
13 years 8 months ago
2006
Advances in network technologies and the emergence of Grid computing have both increased the need and provided the infrastructure for computation and data intensive applications to...
SIGMOD
2008
ACM
14 years 9 months ago
2008
ACM
Reverse skyline queries over uncertain databases have many important applications such as sensor data monitoring and business planning. Due to the existence of uncertainty in many...
SAC
2008
ACM
13 years 8 months ago
2008
ACM
We address aggregate queries over GIS data and moving object data, where non-spatial information is stored in a data warehouse. We propose a formal data model and query language t...
SSD
2005
Springer
14 years 2 months ago
2005
Springer
Many web documents refer to specific geographic localities and many people include geographic context in queries to web search engines. Standard web search engines treat the geogra...
WWW
2007
ACM
14 years 9 months ago
2007
ACM
Current search engines do not fully leverage semantically rich datasets, or specialise in indexing just one domainspecific dataset. We present a search engine that uses the RDF da...