Sciweavers

1316 search results - page 223 / 264
» A Computational Approach to Compare Information Revelation P...
Sort
View
CHI
2002
ACM
14 years 8 months ago
Interacting at a distance: measuring the performance of laser pointers and other devices
It is difficult to interact with computer displays that are across the room. A popular approach is to use laser pointers tracked by a camera, but interaction techniques using lase...
Brad A. Myers, Rishi Bhatnagar, Jeffrey Nichols, C...
SIGMOD
2008
ACM
210views Database» more  SIGMOD 2008»
14 years 7 months ago
Private queries in location based services: anonymizers are not necessary
Mobile devices equipped with positioning capabilities (e.g., GPS) can ask location-dependent queries to Location Based Services (LBS). To protect privacy, the user location must n...
Gabriel Ghinita, Panos Kalnis, Ali Khoshgozaran, C...
GIS
2009
ACM
14 years 2 months ago
Constrained reverse nearest neighbor search on mobile objects
In this paper, we formalize the novel concept of Constrained Reverse k-Nearest Neighbor (CRkNN) search on mobile objects (clients) performed at a central server. The CRkNN query c...
Tobias Emrich, Hans-Peter Kriegel, Peer Kröge...
CVPR
2008
IEEE
14 years 9 months ago
Unifying discriminative visual codebook generation with classifier training for object category recognition
The idea of representing images using a bag of visual words is currently popular in object category recognition. Since this representation is typically constructed using unsupervi...
Liu Yang, Rong Jin, Rahul Sukthankar, Fréd&...
CGO
2008
IEEE
14 years 2 months ago
Fast liveness checking for ssa-form programs
Liveness analysis is an important analysis in optimizing compilers. Liveness information is used in several optimizations and is mandatory during the code-generation phase. Two dr...
Benoit Boissinot, Sebastian Hack, Daniel Grund, Be...