Sciweavers

3771 search results - page 67 / 755
» Subobject Transformation Systems
Sort
View
GROUP
2005
ACM
15 years 8 months ago
Becoming Wikipedian: transformation of participation in a collaborative online encyclopedia
Traditional activities change in surprising ways when computermediated communication becomes a component of the activity system. In this descriptive study, we leverage two perspec...
Susan L. Bryant, Andrea Forte, Amy Bruckman
131
Voted
JDCTA
2010
113views more  JDCTA 2010»
14 years 9 months ago
A Watermarking Algorithm Based on Block Energy Analysis of Wavelet Transform's Coefficients and Lorenz Chaotic Attractor
Perceptual transparency and robustness are conflicting requirements. To ensure the security of the watermarkhow to choose the embedding position and intensity is a difficult probl...
Xuelong Hu, Wei Tian, Yongai Zheng
120
Voted
MVA
2000
164views Computer Vision» more  MVA 2000»
15 years 3 months ago
Visual Screen: Transforming an Ordinary Screen into a Touch Screen
Touch screens are very convenient because one can directly point to where it is interesting. This paper presents an inexpensive technique to transform an ordinary screen into a to...
Zhengyou Zhang, Ying Shan
131
Voted
VMCAI
2010
Springer
15 years 11 months ago
Best Probabilistic Transformers
This paper investigates relative precision and optimality of analyses for concurrent probabilistic systems. Aiming at the problem at the heart of probabilistic model checking ? com...
Björn Wachter, Lijun Zhang
LCR
1998
Springer
150views System Software» more  LCR 1998»
15 years 6 months ago
Improving Locality in Out-of-Core Computations Using Data Layout Transformations
Programs accessing disk-resident arrays, called out-of-core programs, perform poorly in general due to an excessive number of I/O calls and insufficient help from compilers. In ord...
Mahmut T. Kandemir, Alok N. Choudhary, J. Ramanuja...