Sciweavers

GIS
2009
ACM
13 years 1 months ago
Quality assessment of automatically generated feature maps for future driver assistance systems
Future driver assistance systems will require highly accurate positioning. One way to achieve this is by using on-board sensors to measure the relative location of landmarks for w...
Sabine Hofmann, Claus Brenner
GIS
2009
ACM
13 years 1 months ago
LBS (k, T)-anonymity: a spatio-temporal approach to anonymity for location-based service users
We propose a location-based query anonymization technique, LBS (k,T)-anonymization, that ensures anonymity of user's query in a specific time window against what we call know...
Amirreza Masoumzadeh, James Joshi, Hassan A. Karim...
GIS
2009
ACM
13 years 1 months ago
Distortion-based anonymity for continuous queries in location-based mobile services
Privacy preservation has recently received considerable attention for location-based mobile services. Various location cloaking approaches have been proposed to protect the locati...
Xiao Pan, Xiaofeng Meng, Jianliang Xu
GIS
2009
ACM
13 years 6 months ago
Trees or grids?: indexing moving objects in main memory
Darius Sidlauskas, Simonas Saltenis, Christian W. ...
GIS
2009
ACM
13 years 6 months ago
Annotating geospatial data based on its semantics
Geospatial information (GI) constitutes a significant portion of available data and are a key factor in planning and decision-making in a variety of domains,such as emergency man...
Carla Geovana N. Macário, Sidney Roberto de...
GIS
2009
ACM
13 years 6 months ago
Opportunistic sampling in wireless sensor networks
In an active WSN where user queries are regularly processed, a significant proportion of nodes relay and overhear data generated by other nodes in the network. In this paper, we ...
Muhammad Umer, Egemen Tanin, Lars Kulik
GIS
2009
ACM
13 years 7 months ago
A new perspective on efficient and dependable vehicle routing
The essential elements of any navigation system are a shortest-path algorithm and accurate map data. The contribution of this work is two-fold. First, the HBA algorithm, an effici...
Dieter Pfoser, Alexandros Efentakis, Agnès ...
GIS
2009
ACM
13 years 7 months ago
Towards modeling the traffic data on road networks
A spatiotemporal network is a spatial network (e.g., road network) along with the corresponding time-dependent weight (e.g., travel time) for each edge of the network. The design ...
Ugur Demiryurek, Bei Pan, Farnoush Banaei Kashani,...
GIS
2009
ACM
13 years 7 months ago
Next generation map making: geo-referenced ground-level LIDAR point clouds for automatic retro-reflective road feature extractio
This paper presents a novel method to process large scale, ground level Light Detection and Ranging (LIDAR) data to automatically detect geo-referenced navigation attributes (traf...
Xin Chen, Brad Kohlmeyer, Matei Stroila, Narayanan...