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Q-matrix Extraction from Real Response Data Using Nonnegative Matrix Factorizations.
Gabriella Casalino
Ciro Castiello
Nicoletta Del Buono
Flavia Esposito
Corrado Mencar
Published in:
ICCSA (1) (2017)
Keyphrases
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data analysis
database
training data
data collection
data sets
matrix factorization
factor matrices
data structure
data points
high dimensional data
missing data
knowledge discovery
information extraction
text mining
data mining techniques
raw data