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137
Voted
ICDM
2009
IEEE
15 years 1 months ago
2009
IEEE
Given a large transaction database, association analysis is concerned with efficiently finding strongly related objects. Unlike traditional associate analysis, where relationships ...
118
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ICPR
2008
IEEE
16 years 4 months ago
2008
IEEE
Clustering time-series data poses problems, which do not exist in traditional clustering in Euclidean space. Specifically, cluster prototype needs to be calculated, where common s...
106
Voted
ICPR
2008
IEEE
16 years 4 months ago
2008
IEEE
We present algorithms for improved Viterbi decoding for the case of hidden semi-Markov models. By carefully constructing directed acyclic graphs, we pose the decoding problem as t...
128
Voted
AIED
2009
Springer
15 years 10 months ago
2009
Springer
This paper considers learner misconceptions information which is presented to the learner in an open learner model. We suggest that specific information about misconceptions may be...
112
Voted
HICSS
2007
IEEE
15 years 10 months ago
2007
IEEE
This paper examines sustained, socially-situated engagement in online learning communities. We propose three levels of engagement that are examined through an empirical study of j...