Sciweavers

3608 search results - page 172 / 722
» computer 2011
Sort
View
TDSC
2011
14 years 10 months ago
On the Security of Chien's Ultralightweight RFID Authentication Protocol
Recently, Chien proposed an ultralightweight RFID authentication protocol to prevent all possible attacks. However, we find two de-synchronization attacks to break the protocol. K...
Hung-Min Sun, Wei-Chih Ting, King-Hang Wang
DAM
2011
14 years 10 months ago
Hamiltonian index is NP-complete
In this paper we show that the problem to decide whether the hamiltonian index of a given graph is less or equal to a given constant is ∗ Research supported by grants No. 1M0545...
Zdenek Ryjácek, Gerhard J. Woeginger, Limin...
CHI
2011
ACM
14 years 7 months ago
Gamification. using game-design elements in non-gaming contexts
“Gamification” is an informal umbrella term for the use of video game elements in non-gaming systems to improve user experience (UX) and user engagement.
Sebastian Deterding, Miguel Sicart, Lennart Nacke,...
124
Voted
HCI
2011
14 years 7 months ago
How Children Can Design the Future
Over the past 15 years, children have become more integrally involved in the design of their technology. In this paper, we present the idea that design partnering methods, specific...
Mona Leigh Guha, Allison Druin, Jerry Alan Fails
DCG
2011
14 years 10 months ago
More Colourful Simplices
We show that any point in the convex hull of each of (d +1) sets of (d +1) points in general position in Rd is contained in at least (d + 1)2/2 simplices with one vertex from each ...
Antoine Deza, Tamon Stephen, Feng Xie