856 search results - page 44 / 172 » Location-based Spatial Queries |
SIGMOD
2006
ACM
14 years 11 months ago
2006
ACM
Recent data stream systems such as TelegraphCQ have employed the well-known property of duality between data and queries. In these systems, query processing methods are classified...
SAC
2008
ACM
13 years 10 months ago
2008
ACM
Modern applications requiring spatial network processing pose many interesting query optimization challenges. In many cases, query processing depends on the corresponding graph si...
MOBIDE
2006
ACM
14 years 5 months ago
2006
ACM
The representation of moving objects in spatial database systems has become an important research topic in recent years. As it is not realistic to track and store the location of ...
SCANGIS
2003
14 years 10 days ago
2003
This paper introduces a visual query system for geographical information systems, which is easy to use for non-professional persons. The system creates a new iconic metaphor — a ...
ICDE
2008
IEEE
15 years 10 days ago
2008
IEEE
Many applications require finding objects closest to a specified location that contains a set of keywords. For example, online yellow pages allow users to specify an address and a ...