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ICDE
2007
IEEE
126views Database» more  ICDE 2007»
15 years 11 months ago
Location-based Spatial Queries with Data Sharing in Wireless Broadcast Environments
Location-based spatial queries (LBSQs) refer to spatial queries whose answers rely on the location of the inquirer. Efficient processing of LBSQs is of critical importance with th...
Wei-Shinn Ku, Roger Zimmermann, Haixun Wang
MHCI
2009
Springer
15 years 4 months ago
Exploring the urban environment with a camera phone: lessons from a user study
We present a study investigating two novel mobile services supporting querying for information in the urban environment using camera equipped smart phones as well as two different...
Norman Höller, Arjan Geven, Manfred Tscheligi...
ICALT
2007
IEEE
15 years 4 months ago
A Participatory Learning Environment by Using Voice Trackback System in Zoological Garden
Our research group found that zoological garden is a resourceful place for learning by experience, so that we set “ZOO PROJECT” that aims at reconstructing learning environmen...
Yutaro Ohashi, Shuichi Nagata, Hiroshi Mashima, Hi...
BROADNETS
2005
IEEE
15 years 3 months ago
Privacy enhanced access control in pervasive computing environments
Abstract— Privacy and security are two important but seemingly contradict objectives in pervasive computing environments (PCEs). On the one hand, service providers want to authen...
Kui Ren, Wenjing Lou
ISCC
2003
IEEE
15 years 3 months ago
Optimizing the implementation of a MANET routing protocol in a heterogeneous environment
This paper focuses on the implementation of heterogeneous Mobile Ad Hoc networks (MANET). A heterogeneous MANET is a wireless network setting without a fixed infrastructure where...
Carlos Miguel Tavares Calafate, Roman Garcia Garci...