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JCDL
2009
ACM
14 years 1 months ago
2009
ACM
A three-part study of teachers’ use of online resources and of the Digital Library for Earth System Education (DLESE) was conducted from 2004 through summer 2006. The first two ...
CCS
2008
ACM
13 years 11 months ago
2008
ACM
To ensure that a trust negotiation succeeds whenever possible, authorization policy compliance checkers must be able to find all minimal sets of their owners' credentials tha...
WIDM
2005
ACM
14 years 2 months ago
2005
ACM
In XML retrieval, two distinct approaches have been established and pursued without much cross-fertilization taking place so far. On the one hand, native XML databases tailored to...
CLEF
2009
Springer
13 years 7 months ago
2009
Springer
Our group within the University of Amsterdam participated in the large-scale visual concept detection task of ImageCLEF 2009. Our experiments focus on increasing the robustness of...
HT
2006
ACM
14 years 3 months ago
2006
ACM
In recent years, tagging systems have become increasingly popular. These systems enable users to add keywords (i.e., “tags”) to Internet resources (e.g., web pages, images, vi...