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AIED
2011
Springer
13 years 11 days ago
2011
Springer
Self-assessment motivation questionnaires have been used in classrooms yet many researchers find only a weak correlation between answers to these questions and learning. In this pa...
WWW
2007
ACM
14 years 9 months ago
2007
ACM
We present a method for acquiring ontological knowledge using search query logs. We first use query logs to identify important contexts associated with terms belonging to a semant...
STOC
2009
ACM
14 years 9 months ago
2009
ACM
We show how to compute the edit distance between two strings of length n up to a factor of 2 ~O( log n) in n1+o(1) time. This is the first sub-polynomial approximation algorithm f...
CHI
2004
ACM
14 years 9 months ago
2004
ACM
Wideband displays fill our field of view, creating new opportunities to develop effective visual interfaces. Although multiple monitors are becoming an affordable way to create wi...
STOC
2005
ACM
14 years 9 months ago
2005
ACM
We study the spectral norm of matrices M that can be factored as M = BA, where A is a random matrix with independent mean zero entries and B is a fixed matrix. Under the (4 + )-th ...