671 search results - page 62 / 135 » Spatial Reasoning with a Hole |
GIS
2004
ACM
14 years 8 months ago
2004
ACM
The R*-tree is a state-of-the-art spatial index structure. It has already found its way into commercial systems. The most important improvement of the R*-tree over the original R-...
GIS
2009
ACM
14 years 9 days ago
2009
ACM
More and more users are contributing and sharing more and more contents on the Web via the use of content hosting sites and social media services. These user–generated contents ...
GEOINFO
2004
13 years 9 months ago
2004
: Nowadays, the database characteristics, such as the huge volume of data, the complexity of the queries, and even the data availability, can demand minutes or hours to process a q...
JCIT
2008
13 years 7 months ago
2008
Firewall is a useful technique that ensures network security. Firewall examines network packets and determines whether to accept or deny them based on an ordered set of filters. I...
COSIT
2011
Springer
12 years 7 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 ...