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ECTEL
2009
Springer
13 years 8 months ago
A Framework to Author Educational Interactions for Geographical Web Applications
This paper focuses on the production of authoring tools that teachers may use to prototype interactive geographical web applications. We present some computational models and a too...
The Nhan Luong, Thierry Nodenot, Philippe Lopist&e...
CHI
2011
ACM
13 years 1 months ago
The polymath project: lessons from a successful online collaboration in mathematics
Although science is becoming increasingly collaborative, there are remarkably few success stories of online collaborations between professional scientists that actually result in ...
Justin Cranshaw, Aniket Kittur
CIKM
2011
Springer
12 years 10 months ago
Emerging topic detection using dictionary learning
Streaming user-generated content in the form of blogs, microblogs, forums, and multimedia sharing sites, provides a rich source of data from which invaluable information and insig...
Shiva Prasad Kasiviswanathan, Prem Melville, Arind...
ICML
2001
IEEE
14 years 11 months ago
Off-Policy Temporal Difference Learning with Function Approximation
We introduce the first algorithm for off-policy temporal-difference learning that is stable with linear function approximation. Off-policy learning is of interest because it forms...
Doina Precup, Richard S. Sutton, Sanjoy Dasgupta
PAKDD
2009
ACM
263views Data Mining» more  PAKDD 2009»
14 years 5 months ago
Spatial Weighting for Bag-of-Visual-Words and Its Application in Content-Based Image Retrieval
It is a challenging and important task to retrieve images from a large and highly varied image data set based on their visual contents. Problems like how to fill the semantic gap b...
Xin Chen, Xiaohua Hu, Xiajiong Shen