Rob Drayton

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Cross-track ion drifts measured by the DMSP satellites are compared with line-of-sight SuperDARN HF velocities in approximately the same directions. Good overall agreement is found for a data set comprising of 209 satellite passes over the field of view of nine SuperDARN radars in both the Northern and Southern Hemispheres. The slope of the best linear fit(More)
This paper presents a collaborative learning repository that leverages the potential of domain specific social tagging in combination with ontology based classification. It is exemplified in LinkedCourse a learning repository prototype for collaborative development, sharing and reuse of resources. The focus of the paper is on the collaborative semantic(More)
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