856 search results - page 10 / 172 » Location-based Spatial Queries |
WWW
2007
ACM
14 years 11 months ago
2007
ACM
In this paper we present an application framework that leverages geospatial content on the World Wide Web by enabling innovative modes of interaction and novel types of user inter...
TOCL
2002
13 years 10 months ago
2002
One important class of spatial database queries is the class of topological queries, that is, queries invariant under homeomorphisms. Westudy topological queries expressible in th...
MDM
2005
Springer
14 years 4 months ago
2005
Springer
The ever-increasing popularity of mobile applications coupled with the prevalence of spatial data has created the need for efficient processing of spatial queries in mobile enviro...
SDMW
2009
Springer
14 years 3 months ago
2009
Springer
A “friend finder” is a Location Based Service (LBS) that informs users about the presence of participants in a geographical area. In particular, one of the functionalities of ...
ER
2004
Springer
14 years 4 months ago
2004
Springer
A progressive spatial query retrieves spatial data based on previous queries (e.g., to fetch data in a more restricted area with higher resolution). A direct query, on the other si...