Sciweavers

3657 search results - page 499 / 732
» A Study of Practical Deduplication
Sort
View
WADS
2005
Springer
95views Algorithms» more  WADS 2005»
16 years 1 days ago
Improved Approximation Bounds for Planar Point Pattern Matching
We analyze the performance of simple algorithms for matching two planar point sets under rigid transformations so as to minimize the directed Hausdorff distance between the sets....
Minkyoung Cho, David M. Mount
WINE
2005
Springer
122views Economy» more  WINE 2005»
16 years 1 days ago
Walrasian Equilibrium: Hardness, Approximations and Tractable Instances
We study the complexity issues for Walrasian equilibrium in a special case of combinatorial auction, called single-minded auction, in which every participant is interested in only ...
Ning Chen, Atri Rudra
ACMDIS
2004
ACM
16 years 2 hour ago
Privacy risk models for designing privacy-sensitive ubiquitous computing systems
Privacy is a difficult design issue that is becoming increasingly important as we push into ubiquitous computing environments. While there is a fair amount of theoretical work on ...
Jason I. Hong, Jennifer D. Ng, Scott Lederer, Jame...
ASSETS
2004
ACM
16 years 1 hour ago
The audio abacus: representing numerical values with nonspeech sound for the visually impaired
Point estimation is a relatively unexplored facet of sonification. We present a new computer application, the Audio Abacus, designed to transform numbers into tones following the ...
Bruce N. Walker, Jeff Lindsay, Justin Godfrey
CSCW
2004
ACM
16 years 1 hour ago
Collaborating around collections: informing the continued development of photoware
This paper explores the embodied interactional ways in which people naturally collaborate around and share collections of photographs. We employ ethnographic studies of paper-base...
Andy Crabtree, Tom Rodden, John A. Mariani