165 search results - page 14 / 33 » Complex Queries for Moving Object Databases in DHT-Based Sys... |
MOBIDE
2010
ACM
13 years 7 months ago
2010
ACM
Traditional location-based services recommend nearest objects to the user by considering their spatial proximity. However, an object not only has its distance but also has its dir...
CIKM
2000
Springer
13 years 12 months ago
2000
Springer
The complexity of deploying high-performance spatial structures in transactional DBMS environments has motivated researchers to experiment with the idea of reusing the effort inve...
DEXAW
2002
IEEE
14 years 15 days ago
2002
IEEE
We present a method to index objects moving on the plane in order to efficiently answer range queries about their position in the future. This problem is motivated by real-life a...
SSDBM
1998
IEEE
13 years 11 months ago
1998
IEEE
: A new issue that arises in modern applications involves the efficient manipulation of (static or moving) spatial objects, and the relationships among them. As a result, modern da...
GIS
1995
ACM
13 years 11 months ago
1995
ACM
Polygonal objects are characterized by the following well-known parameters: number of vertices, area, perimeter and so on. These parameters describe the data sets that are used in...