52 search results - page 3 / 11 » Towards a Theory of Spatial Database Queries |
SSD
2005
Springer
14 years 12 days ago
2005
Springer
Spatial data are particularly useful in mobile environments. However, due to the low bandwidth of most wireless networks, developing large spatial database applications becomes a c...
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
In this paper, we study a novel form of continuous nearest neighbor queries in the presence of obstacles, namely continuous obstructed nearest neighbor (CONN) search. It considers...
PODS
2000
ACM
13 years 11 months ago
2000
ACM
We consider spatial databases in the plane that can be defined by polynomial constraint formulas. Motivated by applications in geographic information systems, we investigate line...
ICPP
2003
IEEE
14 years 6 days ago
2003
IEEE
Spatial databases are entering an era of mass deployment in various real-life applications, especially mobile and location-based services. The real-time processing of spatial quer...
WWW
2008
ACM
14 years 7 months ago
2008
ACM
Local aspects of Web search -- associating Web content and queries with geography -- is a topic of growing interest. However, the underlying question of how spatial variation is m...