980 search results - page 161 / 196 » GIS |
GIS
2010
ACM
13 years 5 months ago
2010
ACM
With resource-efficient summarization and accurate reconstruction of the historic traffic sensor data, one can effectively manage and optimize transportation systems (e.g., road n...
GIS
2010
ACM
13 years 5 months ago
2010
ACM
Social networking applications have become very important web services that provide Internet-based platforms for their users to interact with their friends. With the advances in t...
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 ...
Publication
This paper tackles a major privacy threat in current location-based services where users have to report their exact locations to the database server in order to obtain their desire...
ICDE
2007
IEEE
14 years 8 months ago
2007
IEEE
Elevation maps are a widely used spatial data representation in geographical information systems (GIS). Paths on elevation maps can be characterized by profiles, which describe re...