74 search results - page 8 / 15 » Scalable network distance browsing in spatial databases |
DASFAA
2009
IEEE
14 years 2 months ago
2009
IEEE
Abstract. Continuous spatial queries retrieve a set of time-varying objects continuously during a given period of time. However, monitoring moving objects to maintain the correctne...
ICDE
2007
IEEE
14 years 1 months ago
2007
IEEE
With the proliferation of mobile devices (e.g., PDAs, cell phones, etc.), location-based services have become more and more popular in recent years. However, users have to reveal ...
ISMIS
1997
Springer
13 years 11 months ago
1997
Springer
e about image features can be expressed as a hierarchical structure called a Type Abstraction Hierarchy (TAH). TAHs can be generated automatically by clustering algorithms based on...
DEXA
2006
Springer
13 years 11 months ago
2006
Springer
Moving range queries over mobile objects are important in many location management applications. There have been quite a few research works in this area. However, all existing solu...
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...