2674 search results - page 30 / 535 » Data Models and Query Languages for Spatial Databases |
ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
Given a set of points P and a query point q, the reverse furthest neighbor (RFN) query fetches the set of points p P such that q is their furthest neighbor among all points in P {...
INFSOF
2006
13 years 7 months ago
2006
The parametric data model captures an object in terms of a single tuple. This feature eliminates unnecessary self-join operations to combine tuples scattered in a temporal relatio...
VLDB
1999
ACM
13 years 11 months ago
1999
ACM
Motivated to a large extent by the substantial and growing prominence of the World-Wide Web and the potential benefits that may be obtained by applying database concepts and tech...
ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
Social networking and content sharing service providers, e.g., Facebook and Google Maps, enable their users to upload and share a variety of user-generated content, including locat...
CIKM
2000
Springer
13 years 11 months ago
2000
Springer
Geographic Information Systems (GISs) have become an essential tool for efficient handling of our natural and artificial environment. The most important activities in a GIS are qu...