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» Fingerprinting Mobile User Positions in Sensor Networks
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CGI
2003
IEEE
15 years 9 months ago
Consistent Visualization and Querying of GIS Databases by a Location-Aware Mobile Agent
Location-aware mobile users need to access, query, and visualize, geographic information in a wide variety of applications including tourism, navigation, environmental management,...
Suresh K. Lodha, Nikolai M. Faaland, Grant Wong, A...
MM
2006
ACM
197views Multimedia» more  MM 2006»
15 years 12 months ago
Virtual observers in a mobile surveillance system
Conventional wide-area video surveillance systems use a network of fixed cameras positioned close to locations of interest. We describe an alternative and flexible approach to w...
Stewart Greenhill, Svetha Venkatesh
PERCOM
2006
ACM
16 years 5 months ago
Concept for Hierarchical and Distributed Processing of Area Based Triggers
Area based triggers denote notifications being generated if a mobile client changes its spatial relation to a defined area, e.g. if it enters or leaves it. By these triggers, new ...
Sven D. Hermann, Günter Schäfer, Adam Wo...
PERCOM
2007
ACM
16 years 5 months ago
Using Digital Cameras for Text Input on Mobile Devices
This paper presents novel text input methods for mobile devices. In particular, it shows how users can capture text from books, newspapers, and other objects by using the digital ...
Frank Siegemund, Muhammad Haroon
EDBT
2008
ACM
125views Database» more  EDBT 2008»
16 years 6 months ago
On the brink: searching for drops in sensor data
Sensor networks have been widely used to collect data about the environment. When analyzing data from these systems, people tend to ask exploratory questions--they want to find su...
Gong Chen, Junghoo Cho, Mark H. Hansen