209 search results - page 10 / 42 » Combining Topological and Directional Information for Spatia... |
GIS
2004
ACM
14 years 9 months ago
2004
ACM
Data Warehouses and On-Line Analytical Processing systems rely on a multidimensional model that includes dimensions, hierarchies, and measures. Such model allows to express users&...
COSIT
2011
Springer
12 years 8 months ago
2011
Springer
With the increasing success and commercial integration of Volunteered Geographic Information (VGI), the focus shifts away from coverage to data quality and homogeneity. Within the ...
GIS
1999
ACM
14 years 25 days ago
1999
ACM
An important activity in the design of a particular database application consists in identifying the integrity constraints that must hold on the database, and that are used to det...
CN
2010
13 years 8 months ago
2010
In the current Internet picture more than 70% of the hosts are located behind Network Address Translators (NATs). This is not a problem in the client/server paradigm. However, the...
GIS
2008
ACM
13 years 9 months ago
2008
ACM
We describe a prototype software system for investigating novel human-computer interaction techniques for 3-D geospatial data. This system, M4-Geo (Multi-Modal Mesh Manipulation o...