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CORR
2008
Springer
128views Education» more  CORR 2008»
13 years 7 months ago
Informed stego-systems in active warden context: statistical undetectability and capacity
Several authors have studied stego-systems based on Costa scheme, but just a few ones gave both theoretical and experimental justifications of these schemes performance in an activ...
Sofiane Braci, Claude Delpha, Rémy Boyer, G...
CVPR
2008
IEEE
14 years 9 months ago
Rank-based distance metric learning: An application to image retrieval
We present a novel approach to learn distance metric for information retrieval. Learning distance metric from a number of queries with side information, i.e., relevance judgements...
Jung-Eun Lee, Rong Jin, Anil K. Jain
SIGIR
2006
ACM
14 years 1 months ago
Measuring similarity of semi-structured documents with context weights
In this work, we study similarity measures for text-centric XML documents based on an extended vector space model, which considers both document content and structure. Experimenta...
Christopher C. Yang, Nan Liu
ICML
2007
IEEE
14 years 8 months ago
Learning distance function by coding similarity
We consider the problem of learning a similarity function from a set of positive equivalence constraints, i.e. 'similar' point pairs. We define the similarity in informa...
Aharon Bar-Hillel, Daphna Weinshall
AIED
2005
Springer
14 years 1 months ago
Fostering Learning Communities based on Task Context
This paper presents an approach to establish and support learning communities. Based on task context information (which is extracted from multiple sources) and relying on the docum...
Niels Pinkwart