856 search results - page 48 / 172 » Location-based Spatial Queries |
VLDB
2002
ACM
14 years 11 months ago
2002
ACM
We propose a new data structure to search in metric spaces. A metric space is formed by a collection of objects and a distance function de ned among them, which satis es the trian...
CCCG
2008
14 years 13 days ago
2008
We present the first spatially adaptive data structure that answers approximate nearest neighbor (ANN) queries to points that reside in a geometric space of any constant dimension...
CIDR
2003
14 years 11 days ago
2003
Traditional science searched for new objects and phenomena that led to discoveries. Tomorrow's science will combine together the large pool of information in scientific archi...
ESORICS
2009
Springer
14 years 5 months ago
2009
Springer
For nearest neighbor search, a user queries a server for nearby points of interest (POIs) with his/her location information. Our aim is to protect the user’s sensitive informatio...
SIGMOD
2004
ACM
14 years 11 months ago
2004
ACM
Spatial Database Management Systems (SDBMS), e.g., Geographical Information Systems, that manage spatial objects such as points, lines, and hyper-rectangles, often have very high ...