3456 search results - page 123 / 692 » Semantics in Spatial Databases |
VLDB
2007
ACM
14 years 2 months ago
2007
ACM
In this paper we observe that k-anonymizing a data set is strikingly similar to building a spatial index over the data set, so similar in fact that classical spatial indexing tech...
MOMM
2006
ACM
14 years 2 months ago
2006
ACM
Earth-observing satellites, such Landsat, provide many multitemporal images of earth, either water body or land. Using spectral water body characteristics and field measurement, b...
DASFAA
1999
IEEE
14 years 16 days ago
1999
IEEE
The spatial query has been processed in two steps, the filter step and the refinement step, due to a large volume and high complexity of the spatial data. However, this approach h...
GIS
2006
ACM
14 years 9 months ago
2006
ACM
Situational awareness (SA) applications monitor the real world and the entities therein to support tasks such as rapid decision-making, reasoning, and analysis. Raw input about un...
ER
2001
Springer
14 years 21 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, ...