321 search results - page 16 / 65 » A Topological Data Model for Spatial Databases |
GIS
2006
ACM
14 years 8 months ago
2006
ACM
Location information gathered from a variety of sources in the form of sensor data, video streams, human observations, and so on, is often imprecise and uncertain and needs to be ...
VLDB
2007
ACM
14 years 8 months ago
2007
ACM
Research in modeling and querying spatial data has primarily focused on traditional "crisp" spatial objects with exact location and spatial extent. More recent work, how...
SSD
2005
Springer
14 years 1 months ago
2005
Springer
Spatial data are particularly useful in mobile environments. However, due to the low bandwidth of most wireless networks, developing large spatial database applications becomes a c...
ER
2001
Springer
14 years 6 days ago
2001
Springer
Abstract Spatio-temporal extensions to data models have been an active area of research for a number of years. To date, much of this work has focused on the relational data model, ...
GIS
2004
ACM
14 years 8 months ago
2004
ACM
Sensor networks are unattended deeply distributed systems whose schema can be conceptualized using the relational model. Aggregation queries on the data sampled at each ode are th...