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APPROX
2007
Springer
160views Algorithms» more  APPROX 2007»
15 years 10 months ago
Better Binary List-Decodable Codes Via Multilevel Concatenation
We give a polynomial time construction of binary codes with the best currently known trade-off between rate and error-correction radius. Specifically, we obtain linear codes ove...
Venkatesan Guruswami, Atri Rudra
MICCAI
2007
Springer
16 years 5 months ago
Detection of Spatial Activation Patterns as Unsupervised Segmentation of fMRI Data
In functional connectivity analysis, networks of interest are defined based on correlation with the mean time course of a user-selected `seed' region. In this work we propose ...
Polina Golland, Yulia Golland, Rafael Malach
ITS
2004
Springer
104views Multimedia» more  ITS 2004»
15 years 9 months ago
Student Question-Asking Patterns in an Intelligent Algebra Tutor
Cognitive Tutors are proven effective learning environments, but are still not as effective as one-on-one human tutoring. We describe an environment (ALPS) designed to engage stude...
Lisa Anthony, Albert T. Corbett, Angela Z. Wagner,...
DOCENG
2003
ACM
15 years 9 months ago
XPath on left and right sides of rules: toward compact XML tree rewriting through node patterns
XPath [3, 5] is a powerful and quite successful language able to perform complex node selection in trees through compact specifications. As such, it plays a growing role in many ...
Jean-Yves Vion-Dury
ERCIMDL
2003
Springer
114views Education» more  ERCIMDL 2003»
15 years 9 months ago
Identifying Useful Passages in Documents Based on Annotation Patterns
Many readers annotate passages that are important to their work. If we understand the relationship between the types of marks on a passage and the passage’s ultimate utility in a...
Frank M. Shipman III, Morgan N. Price, Catherine C...