856 search results - page 146 / 172 » Location-based Spatial Queries |
WWW
2006
ACM
14 years 11 months ago
2006
ACM
We describe a framework for automatically selecting a summary set of photographs from a large collection of geo-referenced photos. The summary algorithm is based on spatial patter...
VLDB
2007
ACM
14 years 11 months ago
2007
ACM
Given a multidimensional point q, a reverse k nearest neighbor (RkNN) query retrieves all the data points that have q as one of their k nearest neighbors. Existing methods for proc...
EWSN
2008
Springer
14 years 10 months ago
2008
Springer
Today it is possible to deploy sensor networks in the real world and collect large amounts of raw sensory data. However, it remains a major challenge to make sense of sensor data, ...
GIS
2009
ACM
14 years 5 months ago
2009
ACM
Gazetteers are key components of georeferenced information systems, including applications such as Web-based mapping services. Existing gazetteers lack the capabilities to fully i...
SSD
2005
Springer
14 years 4 months ago
2005
Springer
This paper proposes and solves a-autonomy and k-stops shortest path problems in large spatial databases. Given a source s and a destination d, an aautonomy query retrieves a sequen...