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DATESO
2010
148views Database» more  DATESO 2010»
15 years 11 days ago
Using Spectral Clustering for Finding Students' Patterns of Behavior in Social Networks
Abstract. The high dimensionality of the data generated by social networks has been a big challenge for researchers. In order to solve the problems associated with this phenomenon,...
Gamila Obadi, Pavla Drázdilová, Jan ...
124
Voted
ICWL
2010
Springer
15 years 8 days ago
Supporting Flexible Competency Frameworks
Since Bloom's initial work on competencies in 1956, various competency systems have been designed and used to assess students' competencies. Different pedagogical researc...
Erica Melis, Arndt Faulhaber, Ahmad Salim Doost, C...
STOC
2004
ACM
158views Algorithms» more  STOC 2004»
16 years 2 months ago
Collective asynchronous reading with polylogarithmic worst-case overhead
The Collect problem for an asynchronous shared-memory system has the objective for the processors to learn all values of a collection of shared registers, while minimizing the tot...
Bogdan S. Chlebus, Dariusz R. Kowalski, Alexander ...
CORR
2010
Springer
108views Education» more  CORR 2010»
15 years 2 months ago
An Analysis of Transaction and Joint-patent Application Networks
Many firms these days, forced by increasing international competition and an unstable economy, are opting to specialize rather than generalize as a way of maintaining their compet...
Hiroyasu Inoue
TNN
2010
148views Management» more  TNN 2010»
14 years 9 months ago
Generalized low-rank approximations of matrices revisited
Compared to Singular Value Decomposition (SVD), Generalized Low Rank Approximations of Matrices (GLRAM) can consume less computation time, obtain higher compression ratio, and yiel...
Jun Liu, Songcan Chen, Zhi-Hua Zhou, Xiaoyang Tan