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Mapping research topics using word-reference co-occurrences: A method and an exploratory case study.
Peter van den Besselaar
Gaston Heimeriks
Published in:
Scientometrics (2006)
Keyphrases
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co occurrence
information retrieval
feature set
mapping function
similarity measure
clustering method
latent semantic analysis
feature selection
feature extraction
pairwise
probabilistic model
semantic relations
similarity matrix