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CORR
2012
Springer
12 years 4 months ago
2012
Springer
Identifying and controlling bias is a key problem in empirical sciences. Causal diagram theory provides graphical criteria for deciding whether and how causal effects can be iden...
SIGUCCS
2006
ACM
14 years 3 months ago
2006
ACM
In this paper we present the results of an experiment made with our e-librarian service ”MatES”, an e-Learning tool on fractions in mathematics. MatES allows students to enter...
CVPR
2008
IEEE
14 years 11 months ago
2008
IEEE
For a large class of applications, there is time to train the system. In this paper, we propose a learning-based approach to patch perspective rectification, and show that it is b...
SIGGRAPH
2010
ACM
14 years 1 months ago
2010
ACM
Painters and illustrators commonly sketch vanishing points and lines to guide the construction of perspective images. We present a tool that gives users the ability to manipulate ...
WWW
2004
ACM
14 years 9 months ago
2004
ACM
We seek to gain improved insight into how Web search engines should cope with the evolving Web, in an attempt to provide users with the most up-to-date results possible. For this ...