122 search results - page 18 / 25 » Spatial Joins and R-trees |
VLDB
1998
ACM
13 years 12 months ago
1998
ACM
: Structural queries constitute a special form of content-basedretrieval where the user specifiesa set of spatial constraints among query variables and asks for all configurations ...
NCA
2010
IEEE
13 years 2 months ago
2010
IEEE
Programmability is an increasingly important barrier to the deployment of multi-robot systems, as no prior approach allows routine composition and reuse of general aggregate behavi...
EDBT
2004
ACM
14 years 7 months ago
2004
ACM
Despite the existence of obstacles in many database applications, traditional spatial query processing utilizes the Euclidean distance metric assuming that points in space are dire...
VTC
2006
IEEE
14 years 1 months ago
2006
IEEE
—this paper presents an energy-saving Multi-Ring Cyclic Scheduling for Spatial-TDMA (MRSTDMA). We design a cyclic scheduling of STDMA to realize the energy-saving property of STD...
SIGMOD
2006
ACM
14 years 7 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...